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< 1 2 3 ... 28 29 30 31 32 ... 44 45 46 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 360 | Managing Telephone Poles | Statement | M | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | |||
| 1728 | Longest Array Deconstruction | data structures divide and conquer dp sortings | Statement | L | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 802 | Knitting Batik | implementation math | Statement | K | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 4279 | Jeopardy of Dropped Balls | brute force dsu implementation | Statement | J | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 1022 | Illusions of the Desert | data structures trees | Statement | I | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 773 | Holiday Wall Ornaments | strings | Statement | H | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 839 | GCD Festival | math | Statement | G | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 140 | Finding Expected Value | math | Statement | F | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 397 | Eye-Pleasing City Park Tour | Statement | E | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | |||
| 2898 | Divisible by Twenty-Five | brute force dfs and similar dp | Statement | D | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 195 | Cyclic Sum | data structures | Statement | C | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 539 | Building an Amusement Park | binary search geometry | Statement | B | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 5228 | Another Sorting Problem | data structures sortings strings | Statement | A | COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} | PROGRAMMING | COMPFEST 13 — Editorial | ||
| 0 | Communication Routing Challenge | *special | Statement | A | 2021 ICPC Communication Routing Challenge: Marathon {1576} | PROGRAMMING | |||
| 523 | The Mind | constructive algorithms interactive probabilities | Statement | M | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 1441 | Labyrinth | binary search dsu | Statement | L | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 411 | Kingdom of Islands | graphs implementation | Statement | K | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 346 | Just Kingdom | data structures dfs and similar | Statement | J | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 73 | Interactive Rays | geometry interactive | Statement | I | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 2180 | Higher Order Functions | implementation strings | Statement | H | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 62 | Game of Chance | math probabilities | Statement | G | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 188 | Framing Pictures | geometry | Statement | F | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 4157 | Easy Scheduling | implementation math | Statement | E | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 56 | Dragon Curve | Statement | D | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | |||
| 17 | Cactus Lady and her Cing | Statement | C | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | |||
| 476 | Building Forest Trails | data structures dsu | Statement | B | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 425 | Anti-Tetris | constructive algorithms graphs shortest paths | Statement | A | ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} | PROGRAMMING | Tutorial (PDF) | ||
| 11697 | Ticks | brute force dp greedy implementation | Statement | C | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 18971 | Shifting Sort | implementation sortings | Statement | B | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 18526 | Productive Meeting | graphs greedy | Statement | D | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 25394 | Permutation Minimization by Deque | constructive algorithms greedy math | Statement | E1 | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 2762 | Minimal Coverage | binary search dp greedy | Statement | G | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 42258 | Casimir's String Solitaire | math strings | Statement | A | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 5388 | Array Stabilization (AND version) | binary search brute force graphs greedy implementation math number theory shortest paths | Statement | F | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 7442 | Array Optimization by Deque | data structures greedy | Statement | E2 | Codeforces Round 744 (Div. 3) {1579} | PROGRAMMING | Codeforces Round #744 (Div. 3) Editorial | ||
| 3936 | Portal | brute force dp greedy implementation | Statement | A | Codeforces Round 745 (Div. 1) {1580} | PROGRAMMING | 500.0 | Codeforces Round #745 Editorial | 1700 |
| 2261 | Train Maintenance | brute force data structures implementation | Statement | C | Codeforces Round 745 (Div. 1) {1580} | PROGRAMMING | 1750.0 | Codeforces Round #745 Editorial | 2200 |
| 1292 | Mathematics Curriculum | combinatorics dp trees | Statement | B | Codeforces Round 745 (Div. 1) {1580} | PROGRAMMING | 1000.0 | Codeforces Round #745 Editorial | 2600 |
| 1114 | Subsequence | divide and conquer dp trees | Statement | D | Codeforces Round 745 (Div. 1) {1580} | PROGRAMMING | 2000.0 | Codeforces Round #745 Editorial | 2900 |
| 149 | Problems for Codeforces | fft math | Statement | F | Codeforces Round 745 (Div. 1) {1580} | PROGRAMMING | 3500.0 | Codeforces Round #745 Editorial | 3300 |
| 124 | Railway Construction | brute force constructive algorithms data structures graphs shortest paths | Statement | E | Codeforces Round 745 (Div. 1) {1580} | PROGRAMMING | 3500.0 | Codeforces Round #745 Editorial | 3400 |
| 12565 | Diameter of Graph | constructive algorithms graphs greedy math | Statement | B | Codeforces Round 745 (Div. 2) {1581} | PROGRAMMING | 1000.0 | Codeforces Round #745 Editorial | 1200 |
| 14316 | CQXYM Count Permutations | math | Statement | A | Codeforces Round 745 (Div. 2) {1581} | PROGRAMMING | 500.0 | Codeforces Round #745 Editorial | 800 |
| 11632 | Vupsen, Pupsen and 0 | constructive algorithms math | Statement | D | Codeforces Round 750 (Div. 2) {1582} | PROGRAMMING | 1750.0 | Codeforces Round #750 (Div.2) Editorial | |
| 4239 | Pchelyonok and Segments | binary search data structures dp greedy math | Statement | E | Codeforces Round 750 (Div. 2) {1582} | PROGRAMMING | 2500.0 | Codeforces Round #750 (Div.2) Editorial | |
| 34549 | Luntik and Subsequences | combinatorics math | Statement | B | Codeforces Round 750 (Div. 2) {1582} | PROGRAMMING | 750.0 | Codeforces Round #750 (Div.2) Editorial | |
| 19804 | Luntik and Concerts | math | Statement | A | Codeforces Round 750 (Div. 2) {1582} | PROGRAMMING | 500.0 | Codeforces Round #750 (Div.2) Editorial | |
| 704 | Kuzya and Homework | data structures number theory | Statement | G | Codeforces Round 750 (Div. 2) {1582} | PROGRAMMING | 3250.0 | Codeforces Round #750 (Div.2) Editorial | |
| 2147 | Korney Korneevich and XOR (hard version) | binary search brute force dp two pointers | Statement | F2 | Codeforces Round 750 (Div. 2) {1582} | PROGRAMMING | 1500.0 | Codeforces Round #750 (Div.2) Editorial | |
| 6641 | Korney Korneevich and XOR (easy version) | bitmasks dp | Statement | F1 | Codeforces Round 750 (Div. 2) {1582} | PROGRAMMING | 2000.0 | Codeforces Round #750 (Div.2) Editorial | |
| 24394 | Grandma Capa Knits a Scarf | data structures greedy strings two pointers | Statement | C | Codeforces Round 750 (Div. 2) {1582} | PROGRAMMING | 1500.0 | Codeforces Round #750 (Div.2) Editorial | |
| 14391 | Windblume Ode | math number theory | Statement | A | Technocup 2022 - Elimination Round 1 {1583} | PROGRAMMING | 500.0 | Editorial for Technocup 2022 — Elimination Round 1 and Codeforces Round #749 (Div. 1+Div. 2) | |
| 408 | Omkar and Tours | sortings trees | Statement | H | Technocup 2022 - Elimination Round 1 {1583} | PROGRAMMING | 3500.0 | Editorial for Technocup 2022 — Elimination Round 1 and Codeforces Round #749 (Div. 1+Div. 2) | |
| 512 | Omkar and Time Travel | data structures math | Statement | G | Technocup 2022 - Elimination Round 1 {1583} | PROGRAMMING | 3000.0 | Editorial for Technocup 2022 — Elimination Round 1 and Codeforces Round #749 (Div. 1+Div. 2) | |
| 5955 | Omkar and the Meaning of Life | constructive algorithms interactive | Statement | D | Technocup 2022 - Elimination Round 1 {1583} | PROGRAMMING | 1750.0 | Editorial for Technocup 2022 — Elimination Round 1 and Codeforces Round #749 (Div. 1+Div. 2) | |
| 13317 | Omkar and Heavenly Tree | constructive algorithms trees | Statement | B | Technocup 2022 - Elimination Round 1 {1583} | PROGRAMMING | 1000.0 | Editorial for Technocup 2022 — Elimination Round 1 and Codeforces Round #749 (Div. 1+Div. 2) | |
| 7461 | Omkar and Determination | data structures dp | Statement | C | Technocup 2022 - Elimination Round 1 {1583} | PROGRAMMING | 1500.0 | Editorial for Technocup 2022 — Elimination Round 1 and Codeforces Round #749 (Div. 1+Div. 2) | |
| 2500 | Moment of Bloom | constructive algorithms dfs and similar graph matchings graphs greedy | Statement | E | Technocup 2022 - Elimination Round 1 {1583} | PROGRAMMING | 2250.0 | Editorial for Technocup 2022 — Elimination Round 1 and Codeforces Round #749 (Div. 1+Div. 2) | |
| 1541 | Defender of Childhood Dreams | bitmasks constructive algorithms divide and conquer | Statement | F | Technocup 2022 - Elimination Round 1 {1583} | PROGRAMMING | 2750.0 | Editorial for Technocup 2022 — Elimination Round 1 and Codeforces Round #749 (Div. 1+Div. 2) | |
| 14391 | Coloring Rectangles | greedy | Statement | B | Technocup 2022 - Elimination Round 2 {1584} | PROGRAMMING | 500.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 1000 |
| 4008 | Guess the Permutation | binary search combinatorics interactive math | Statement | D | Technocup 2022 - Elimination Round 2 {1584} | PROGRAMMING | 1500.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 2000 |
| 1475 | Game with Stones | binary search data structures games greedy | Statement | E | Technocup 2022 - Elimination Round 2 {1584} | PROGRAMMING | 2000.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 2300 |
| 1121 | Strange LCS | bitmasks dp graphs greedy strings | Statement | F | Technocup 2022 - Elimination Round 2 {1584} | PROGRAMMING | 2500.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 2600 |
| 246 | Eligible Segments | geometry | Statement | G | Technocup 2022 - Elimination Round 2 {1584} | PROGRAMMING | 3250.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 3200 |
| 15589 | Mathematical Addition | math | Statement | A | Technocup 2022 - Elimination Round 2 {1584} | PROGRAMMING | 500.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 800 |
| 17777 | Two Arrays | greedy math sortings | Statement | C | Technocup 2022 - Elimination Round 2 {1584} | PROGRAMMING | 1000.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 900 |
| 4410 | Yet Another Sorting Problem | math | Statement | D | Technocup 2022 - Elimination Round 3 {1585} | PROGRAMMING | 2000.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 310 | Poachers | dp games graphs trees | Statement | G | Technocup 2022 - Elimination Round 3 {1585} | PROGRAMMING | 3500.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 1698 | Non-equal Neighbours | combinatorics dp math | Statement | F | Technocup 2022 - Elimination Round 3 {1585} | PROGRAMMING | 3000.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 12872 | Minimize Distance | greedy | Statement | C | Technocup 2022 - Elimination Round 3 {1585} | PROGRAMMING | 1500.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 18984 | Life of a Flower | implementation | Statement | A | Technocup 2022 - Elimination Round 3 {1585} | PROGRAMMING | 500.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 1215 | Frequency Queries | data structures dfs and similar trees | Statement | E | Technocup 2022 - Elimination Round 3 {1585} | PROGRAMMING | 2500.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 16185 | Array Eversion | greedy | Statement | B | Technocup 2022 - Elimination Round 3 {1585} | PROGRAMMING | 1000.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 300 | Omkar and Mosaic | combinatorics constructive algorithms math | Statement | I | Codeforces Round 749 (Div. 1 + Div. 2, based on Technocup 2022 Elimination Round 1) {1586} | PROGRAMMING | 4000.0 | Editorial for Technocup 2022 — Elimination Round 1 and Codeforces Round #749 (Div. 1+Div. 2) | |
| 355 | Jumping Through the Array | data structures graphs two pointers | Statement | F | Codeforces Round 755 (Div. 1, based on Technocup 2022 Elimination Round 2) {1588} | PROGRAMMING | 3750.0 | Editorial for Technocup 2022 — Elimination Round 2 and Codeforces Round #755 (Div. 1, Div. 2) | 3500 |
| 1410 | Yet Another Sorting Problem | data structures math sortings | Statement | D | Codeforces Round 759 (Div. 2, based on Technocup 2022 Elimination Round 3) {1591} | PROGRAMMING | 2000.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 336 | Non-equal Neighbours | combinatorics data structures dp math | Statement | F | Codeforces Round 759 (Div. 2, based on Technocup 2022 Elimination Round 3) {1591} | PROGRAMMING | 3000.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 5097 | Minimize Distance | greedy math | Statement | C | Codeforces Round 759 (Div. 2, based on Technocup 2022 Elimination Round 3) {1591} | PROGRAMMING | 1500.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 10692 | Life of a Flower | implementation | Statement | A | Codeforces Round 759 (Div. 2, based on Technocup 2022 Elimination Round 3) {1591} | PROGRAMMING | 500.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 293 | Frequency Queries | data structures dfs and similar | Statement | E | Codeforces Round 759 (Div. 2, based on Technocup 2022 Elimination Round 3) {1591} | PROGRAMMING | 2500.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 8454 | Array Eversion | greedy | Statement | B | Codeforces Round 759 (Div. 2, based on Technocup 2022 Elimination Round 3) {1591} | PROGRAMMING | 1000.0 | Codeforces Round #759 (Div. 2, based on Technocup 2022 Elimination Round 3) Editorial | |
| 17272 | Hemose Shopping | dsu math sortings | Statement | B | Codeforces Round 746 (Div. 2) {1592} | PROGRAMMING | 1000.0 | 95583 | |
| 2640 | Hemose in ICPC ? | binary search dfs and similar divide and conquer interactive math number theory trees | Statement | D | Codeforces Round 746 (Div. 2) {1592} | PROGRAMMING | 2000.0 | 95583 | |
| 23851 | Gamer Hemose | greedy math sortings | Statement | A | Codeforces Round 746 (Div. 2) {1592} | PROGRAMMING | 500.0 | 95583 | |
| 1928 | Bored Bakry | bitmasks greedy math two pointers | Statement | E | Codeforces Round 746 (Div. 2) {1592} | PROGRAMMING | 2500.0 | 95583 | |
| 9213 | Bakry and Partitioning | bitmasks constructive algorithms dfs and similar dp graphs trees | Statement | C | Codeforces Round 746 (Div. 2) {1592} | PROGRAMMING | 1500.0 | 95583 | |
| 973 | Alice and Recoloring 2 | flows graph matchings greedy | Statement | F2 | Codeforces Round 746 (Div. 2) {1592} | PROGRAMMING | 1750.0 | 95583 | |
| 1083 | Alice and Recoloring 1 | greedy | Statement | F1 | Codeforces Round 746 (Div. 2) {1592} | PROGRAMMING | 1750.0 | 95583 | |
| 28071 | Save More Mice | binary search greedy greedy | Statement | C | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | ||
| 2679 | Red-Black Number | dp implementation math | Statement | F | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | ||
| 41897 | Make it Divisible by 25 | dp greedy math math | Statement | B | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | ||
| 5588 | Half of Same | dp math number theory | Statement | D2 | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | ||
| 14935 | Gardener and Tree | dfs and similar greedy implementation trees | Statement | E | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | ||
| 41754 | Elections | Statement | A | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | |||
| 1907 | Changing Brackets | data structures greedy | Statement | G | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | ||
| 22053 | All are Same | math number theory | Statement | D1 | Codeforces Round 748 (Div. 3) {1593} | PROGRAMMING | Editorial for Codeforces Round #748 (Div.3) | ||
| 22271 | Special Numbers | bitmasks math | Statement | B | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 1000.0 | 95525 | 1100 |
| 29138 | Make Them Equal | brute force greedy math strings | Statement | C | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 1500.0 | 95525 | 1200 |
| 12286 | Rubik's Cube Coloring (easy version) | combinatorics math | Statement | E1 | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 1000.0 | 95525 | 1300 |
| 9582 | The Number of Imposters | constructive algorithms dfs and similar dp dsu graphs | Statement | D | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 1750.0 | 95525 | 1700 |
| 1623 | Rubik's Cube Coloring (hard version) | brute force dp implementation math trees | Statement | E2 | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 1500.0 | 95525 | 2300 |
| 1543 | Ideal Farm | constructive algorithms math | Statement | F | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 2750.0 | 95525 | 2400 |
| 27277 | Consecutive Sum Riddle | math | Statement | A | Codeforces Round 747 (Div. 2) {1594} | PROGRAMMING | 500.0 | 95525 | 800 |
| 10609 | Training Session | combinatorics math | Statement | D | Educational Codeforces Round 115 (Rated for Div. 2) {1598} | PROGRAMMING | 95890 | ||
| 411 | The Sum of Good Numbers | hashing probabilities | Statement | G | Educational Codeforces Round 115 (Rated for Div. 2) {1598} | PROGRAMMING | 95890 | ||
| 2514 | Staircases | brute force combinatorics data structures dfs and similar dp | Statement | E | Educational Codeforces Round 115 (Rated for Div. 2) {1598} | PROGRAMMING | 95890 | ||
| 1639 | RBS | binary search bitmasks data structures dp | Statement | F | Educational Codeforces Round 115 (Rated for Div. 2) {1598} | PROGRAMMING | 95890 | ||
| 16998 | Groups | brute force implementation | Statement | B | Educational Codeforces Round 115 (Rated for Div. 2) {1598} | PROGRAMMING | 95890 | ||
| 23785 | Delete Two Elements | data structures math | Statement | C | Educational Codeforces Round 115 (Rated for Div. 2) {1598} | PROGRAMMING | 95890 | ||
| 25767 | Computer Game | dfs and similar dp implementation | Statement | A | Educational Codeforces Round 115 (Rated for Div. 2) {1598} | PROGRAMMING | 95890 | ||
| 882 | Weights | constructive algorithms greedy two pointers | Statement | A | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | Tutorial | ||
| 91 | Two Arrays | data structures matrices | Statement | E | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | ||
| 409 | Shortest path | brute force geometry math | Statement | G | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | ||
| 163 | Restaurant Game | Statement | B | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | |||
| 414 | Mars | Statement | F | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | |||
| 1293 | Hidden Fortress | interactive math | Statement | H | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | ||
| 132 | Desert | data structures graphs | Statement | I | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | Tutorial | ||
| 1990 | Bubble Strike | combinatorics math probabilities ternary search | Statement | C | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | ||
| 34 | Bubble Popping | Statement | D | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | |||
| 330 | Bob's Beautiful Array | bitmasks brute force greedy | Statement | J | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) {1599} | PROGRAMMING | BubbleCup2021.pdf | ||
| 4443 | Robot Factory | bitmasks dfs and similar | Statement | J | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 2) {1600} | PROGRAMMING | BubbleCup2021.pdf | ||
| 620 | Party Organization | probabilities | Statement | F | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 2) {1600} | PROGRAMMING | BubbleCup2021.pdf | ||
| 2402 | Array Game | games greedy two pointers | Statement | E | Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 2) {1600} | PROGRAMMING | BubbleCup2021.pdf | ||
| 21633 | Array Elimination | bitmasks math number theory | Statement | A | Codeforces Round 751 (Div. 1) {1601} | PROGRAMMING | 500.0 | 95865 | 1300 |
| 5524 | Frog Traveler | data structures dp graphs shortest paths | Statement | B | Codeforces Round 751 (Div. 1) {1601} | PROGRAMMING | 1250.0 | 95865 | 1900 |
| 2354 | Optimal Insertion | data structures divide and conquer greedy sortings | Statement | C | Codeforces Round 751 (Div. 1) {1601} | PROGRAMMING | 2000.0 | 95865 | 2300 |
| 1948 | Difficult Mountain | data structures dp greedy sortings | Statement | D | Codeforces Round 751 (Div. 1) {1601} | PROGRAMMING | 2250.0 | 95865 | 2700 |
| 598 | Phys Ed Online | data structures dp greedy trees | Statement | E | Codeforces Round 751 (Div. 1) {1601} | PROGRAMMING | 2250.0 | 95865 | 2900 |
| 275 | Two Sorts | binary search math | Statement | F | Codeforces Round 751 (Div. 1) {1601} | PROGRAMMING | 3000.0 | 95865 | 3400 |
| 14778 | Divine Array | constructive algorithms implementation | Statement | B | Codeforces Round 751 (Div. 2) {1602} | PROGRAMMING | 1000.0 | 95865 | 1100 |
| 19803 | Two Subsequences | implementation | Statement | A | Codeforces Round 751 (Div. 2) {1602} | PROGRAMMING | 500.0 | 95865 | 800 |
| 352 | October 18, 2017 | combinatorics dp implementation math | Statement | F | Codeforces Round 752 (Div. 1) {1603} | PROGRAMMING | 3750.0 | Editorial of Codeforces Round #752 | |
| 644 | A Perfect Problem | combinatorics dp | Statement | E | Codeforces Round 752 (Div. 1) {1603} | PROGRAMMING | 3500.0 | Editorial of Codeforces Round #752 | |
| 17879 | Di-visible Confusion | constructive algorithms math number theory | Statement | A | Codeforces Round 752 (Div. 1) {1603} | PROGRAMMING | 750.0 | Editorial of Codeforces Round #752 | 1300 |
| 15138 | Moderate Modular Mode | constructive algorithms math number theory | Statement | B | Codeforces Round 752 (Div. 1) {1603} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round #752 | 1600 |
| 2278 | Extreme Extension | dp greedy math number theory | Statement | C | Codeforces Round 752 (Div. 1) {1603} | PROGRAMMING | 1750.0 | Editorial of Codeforces Round #752 | 2300 |
| 893 | Artistic Partition | divide and conquer dp number theory | Statement | D | Codeforces Round 752 (Div. 1) {1603} | PROGRAMMING | 2500.0 | Editorial of Codeforces Round #752 | 3000 |
| 16360 | XOR Specia-LIS-t | constructive algorithms | Statement | B | Codeforces Round 752 (Div. 2) {1604} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round #752 | 1100 |
| 22681 | Era | greedy | Statement | A | Codeforces Round 752 (Div. 2) {1604} | PROGRAMMING | 500.0 | Editorial of Codeforces Round #752 | 800 |
| 19392 | Reverse Sort | greedy sortings | Statement | B | Codeforces Round 754 (Div. 2) {1605} | PROGRAMMING | 1000.0 | tutorial | 1000 |
| 18977 | Dominant Character | brute force implementation strings | Statement | C | Codeforces Round 754 (Div. 2) {1605} | PROGRAMMING | 1500.0 | tutorial | 1400 |
| 3274 | Treelabeling | bitmasks constructive algorithms dfs and similar games graphs greedy trees | Statement | D | Codeforces Round 754 (Div. 2) {1605} | PROGRAMMING | 2000.0 | tutorial | 2100 |
| 1189 | Array Equalizer | binary search implementation math number theory sortings | Statement | E | Codeforces Round 754 (Div. 2) {1605} | PROGRAMMING | 2500.0 | tutorial | 2400 |
| 431 | PalindORme | combinatorics dp | Statement | F | Codeforces Round 754 (Div. 2) {1605} | PROGRAMMING | 3500.0 | tutorial | 2900 |
| 21667 | A.M. Deviation | math number theory | Statement | A | Codeforces Round 754 (Div. 2) {1605} | PROGRAMMING | 500.0 | tutorial | 800 |
| 19593 | Update Files | implementation math | Statement | B | Educational Codeforces Round 116 (Rated for Div. 2) {1606} | PROGRAMMING | 96454 | ||
| 670 | Tree Queries | binary search data structures dp dsu geometry trees | Statement | F | Educational Codeforces Round 116 (Rated for Div. 2) {1606} | PROGRAMMING | 96454 | ||
| 1585 | Red-Blue Matrix | constructive algorithms data structures hashing implementation sortings two pointers | Statement | D | Educational Codeforces Round 116 (Rated for Div. 2) {1606} | PROGRAMMING | 96454 | ||
| 15252 | Banknotes | constructive algorithms greedy | Statement | C | Educational Codeforces Round 116 (Rated for Div. 2) {1606} | PROGRAMMING | 96454 | ||
| 4226 | Arena | combinatorics dp | Statement | E | Educational Codeforces Round 116 (Rated for Div. 2) {1606} | PROGRAMMING | 96454 | ||
| 38649 | AB Balance | constructive algorithms strings | Statement | A | Educational Codeforces Round 116 (Rated for Div. 2) {1606} | PROGRAMMING | 96454 | ||
| 2141 | Robot on the Board 2 | dfs and similar graphs | Statement | F | Codeforces Round 753 (Div. 3) {1607} | PROGRAMMING | Codeforces Round #753 (Div. 3) Editorial | ||
| 10057 | Robot on the Board 1 | implementation | Statement | E | Codeforces Round 753 (Div. 3) {1607} | PROGRAMMING | Codeforces Round #753 (Div. 3) Editorial | ||
| 40687 | Odd Grasshopper | math | Statement | B | Codeforces Round 753 (Div. 3) {1607} | PROGRAMMING | Codeforces Round #753 (Div. 3) Editorial | ||
| 26920 | Minimum Extraction | brute force sortings | Statement | C | Codeforces Round 753 (Div. 3) {1607} | PROGRAMMING | Codeforces Round #753 (Div. 3) Editorial | ||
| 40868 | Linear Keyboard | implementation strings | Statement | A | Codeforces Round 753 (Div. 3) {1607} | PROGRAMMING | Codeforces Round #753 (Div. 3) Editorial | ||
| 18196 | Blue-Red Permutation | greedy math sortings | Statement | D | Codeforces Round 753 (Div. 3) {1607} | PROGRAMMING | Codeforces Round #753 (Div. 3) Editorial | ||
| 1441 | Banquet Preparations 2 | greedy sortings | Statement | H | Codeforces Round 753 (Div. 3) {1607} | PROGRAMMING | Codeforces Round #753 (Div. 3) Editorial | ||
| 1750 | Banquet Preparations 1 | greedy | Statement | G | Codeforces Round 753 (Div. 3) {1607} | PROGRAMMING | Codeforces Round #753 (Div. 3) Editorial | ||
| 494 | The Cells on the Paper | binary search data structures implementation sortings | Statement | E | Codeforces Round 758 (Div.1 + Div. 2) {1608} | PROGRAMMING | 2000.0 | Editorial of Codeforces Round #758 (Div.1 + Div. 2) | |
| 868 | MEX counting | combinatorics dp | Statement | F | Codeforces Round 758 (Div.1 + Div. 2) {1608} | PROGRAMMING | 2500.0 | Editorial of Codeforces Round #758 (Div.1 + Div. 2) | |
| 7411 | Game Master | data structures dfs and similar dp graphs greedy two pointers | Statement | C | Codeforces Round 758 (Div.1 + Div. 2) {1608} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round #758 (Div.1 + Div. 2) | |
| 20308 | Find Array | constructive algorithms math | Statement | A | Codeforces Round 758 (Div.1 + Div. 2) {1608} | PROGRAMMING | 250.0 | Editorial of Codeforces Round #758 (Div.1 + Div. 2) | |
| 1566 | Dominoes | combinatorics fft graphs math | Statement | D | Codeforces Round 758 (Div.1 + Div. 2) {1608} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round #758 (Div.1 + Div. 2) | |
| 12539 | Build the Permutation | constructive algorithms greedy | Statement | B | Codeforces Round 758 (Div.1 + Div. 2) {1608} | PROGRAMMING | 750.0 | Editorial of Codeforces Round #758 (Div.1 + Div. 2) | |
| 247 | Alphabetic Tree | binary search data structures dfs and similar hashing string suffix structures strings trees | Statement | G | Codeforces Round 758 (Div.1 + Div. 2) {1608} | PROGRAMMING | 2750.0 | Editorial of Codeforces Round #758 (Div.1 + Div. 2) | |
| 12163 | William the Vigilant | implementation strings | Statement | B | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 1000.0 | Deltix Round, Autumn 2021. Editorial | 1100 |
| 10501 | Complex Market Analysis | binary search dp implementation number theory schedules two pointers | Statement | C | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 1500.0 | Deltix Round, Autumn 2021. Editorial | 1400 |
| 8452 | Social Network | dsu graphs greedy implementation trees | Statement | D | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 2000.0 | Deltix Round, Autumn 2021. Editorial | 1600 |
| 2474 | William The Oblivious | data structures divide and conquer dp matrices | Statement | E | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 2750.0 | Deltix Round, Autumn 2021. Editorial | 2400 |
| 966 | Interesting Sections | binary search data structures divide and conquer geometry meet-in-the-middle | Statement | F | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 3000.0 | Deltix Round, Autumn 2021. Editorial | 2800 |
| 486 | A Stroll Around the Matrix | data structures greedy math | Statement | G | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 3250.0 | Deltix Round, Autumn 2021. Editorial | 3000 |
| 105 | Pushing Robots | Statement | H | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 3750.0 | Deltix Round, Autumn 2021. Editorial | 3500 | |
| 19001 | Divide and Multiply | greedy implementation math number theory | Statement | A | Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) {1609} | PROGRAMMING | 500.0 | Deltix Round, Autumn 2021. Editorial | 900 |
| 629 | Squid Game | data structures dfs and similar divide and conquer greedy trees | Statement | H | Codeforces Global Round 17 {1610} | PROGRAMMING | 3500.0 | Codeforces Global Round 17 Editorial | |
| 3051 | Not Quite Lee | combinatorics math number theory | Statement | D | Codeforces Global Round 17 {1610} | PROGRAMMING | 2250.0 | Codeforces Global Round 17 Editorial | |
| 354 | Mashtali vs AtCoder | games trees | Statement | I | Codeforces Global Round 17 {1610} | PROGRAMMING | 4000.0 | Codeforces Global Round 17 Editorial | |
| 711 | Mashtali: a Space Oddysey | constructive algorithms dfs and similar graphs implementation | Statement | F | Codeforces Global Round 17 {1610} | PROGRAMMING | 2750.0 | Codeforces Global Round 17 Editorial | |
| 15966 | Keshi Is Throwing a Party | binary search greedy | Statement | C | Codeforces Global Round 17 {1610} | PROGRAMMING | 1500.0 | Codeforces Global Round 17 Editorial | |
| 24082 | Kalindrome Array | greedy two pointers | Statement | B | Codeforces Global Round 17 {1610} | PROGRAMMING | 1000.0 | Codeforces Global Round 17 Editorial | |
| 17129 | Anti Light's Cell Guessing | constructive algorithms implementation math | Statement | A | Codeforces Global Round 17 {1610} | PROGRAMMING | 500.0 | Codeforces Global Round 17 Editorial | |
| 655 | AmShZ Wins a Bet | data structures hashing | Statement | G | Codeforces Global Round 17 {1610} | PROGRAMMING | 3250.0 | Codeforces Global Round 17 Editorial | |
| 1944 | AmShZ and G.O.A.T. | binary search brute force greedy math | Statement | E | Codeforces Global Round 17 {1610} | PROGRAMMING | 2500.0 | Codeforces Global Round 17 Editorial | |
| 19412 | Polycarp Recovers the Permutation | constructive algorithms | Statement | C | Codeforces Round 756 (Div. 3) {1611} | PROGRAMMING | Tutorial | 1000 | |
| 11648 | Weights Assignment For Tree Edges | constructive algorithms trees | Statement | D | Codeforces Round 756 (Div. 3) {1611} | PROGRAMMING | Tutorial | 1500 | |
| 8420 | Escape The Maze (easy version) | dfs and similar greedy shortest paths trees two pointers | Statement | E1 | Codeforces Round 756 (Div. 3) {1611} | PROGRAMMING | Tutorial | 1700 | |
| 7430 | ATM and Students | binary search data structures two pointers | Statement | F | Codeforces Round 756 (Div. 3) {1611} | PROGRAMMING | Tutorial | 1700 | |
| 4325 | Escape The Maze (hard version) | dfs and similar dp greedy shortest paths trees two pointers | Statement | E2 | Codeforces Round 756 (Div. 3) {1611} | PROGRAMMING | Tutorial | 2000 | |
| 741 | Robot and Candies | data structures greedy | Statement | G | Codeforces Round 756 (Div. 3) {1611} | PROGRAMMING | Tutorial | 2500 | |
| 32021 | Team Composition: Programmers and Mathematicians | binary search constructive algorithms math | Statement | B | Codeforces Round 756 (Div. 3) {1611} | PROGRAMMING | Tutorial | 800 | |
| 33495 | Make Even | constructive algorithms math | Statement | A | Codeforces Round 756 (Div. 3) {1611} | PROGRAMMING | Tutorial | 800 | |
| 10299 | X-Magic Pair | math number theory | Statement | D | Educational Codeforces Round 117 (Rated for Div. 2) {1612} | PROGRAMMING | 97164 | ||
| 18478 | Special Permutation | constructive algorithms | Statement | B | Educational Codeforces Round 117 (Rated for Div. 2) {1612} | PROGRAMMING | 97164 | ||
| 2853 | Messages | greedy math probabilities sortings | Statement | E | Educational Codeforces Round 117 (Rated for Div. 2) {1612} | PROGRAMMING | 97164 | ||
| 1001 | Max Sum Array | combinatorics constructive algorithms greedy sortings | Statement | G | Educational Codeforces Round 117 (Rated for Div. 2) {1612} | PROGRAMMING | 97164 | ||
| 18225 | Distance | brute force constructive algorithms | Statement | A | Educational Codeforces Round 117 (Rated for Div. 2) {1612} | PROGRAMMING | 97164 | ||
| 26494 | Chat Ban | binary search math | Statement | C | Educational Codeforces Round 117 (Rated for Div. 2) {1612} | PROGRAMMING | 97164 | ||
| 697 | Armor and Weapons | brute force dp greedy shortest paths | Statement | F | Educational Codeforces Round 117 (Rated for Div. 2) {1612} | PROGRAMMING | 97164 | ||
| 837 | Tree Coloring | combinatorics fft | Statement | F | Educational Codeforces Round 118 (Rated for Div. 2) {1613} | PROGRAMMING | 97467 | ||
| 30087 | Poisoned Dagger | binary search | Statement | C | Educational Codeforces Round 118 (Rated for Div. 2) {1613} | PROGRAMMING | 97467 | ||
| 5333 | MEX Sequences | dp | Statement | D | Educational Codeforces Round 118 (Rated for Div. 2) {1613} | PROGRAMMING | 97467 | ||
| 26732 | Long Comparison | implementation | Statement | A | Educational Codeforces Round 118 (Rated for Div. 2) {1613} | PROGRAMMING | 97467 | ||
| 5929 | Crazy Robot | constructive algorithms dfs and similar graphs | Statement | E | Educational Codeforces Round 118 (Rated for Div. 2) {1613} | PROGRAMMING | 97467 | ||
| 23411 | Absent Remainder | implementation | Statement | B | Educational Codeforces Round 118 (Rated for Div. 2) {1613} | PROGRAMMING | 97467 | ||
| 29945 | Divan and a New Project | constructive algorithms sortings | Statement | B | Codeforces Round 757 (Div. 2) {1614} | PROGRAMMING | 750.0 | Tutorial | 1000 |
| 11356 | Divan and bitwise operations | bitmasks combinatorics constructive algorithms dp math | Statement | C | Codeforces Round 757 (Div. 2) {1614} | PROGRAMMING | 1500.0 | Tutorial | 1500 |
| 4515 | Divan and Kostomuksha (easy version) | dp number theory | Statement | D1 | Codeforces Round 757 (Div. 2) {1614} | PROGRAMMING | 1500.0 | Tutorial | 2100 |
| 2770 | Divan and Kostomuksha (hard version) | dp number theory | Statement | D2 | Codeforces Round 757 (Div. 2) {1614} | PROGRAMMING | 1000.0 | Tutorial | 2300 |
| 953 | Divan and a Cottage | binary search data structures | Statement | E | Codeforces Round 757 (Div. 2) {1614} | PROGRAMMING | 2750.0 | Tutorial | 2600 |
| 24640 | Divan and a Store | brute force constructive algorithms greedy | Statement | A | Codeforces Round 757 (Div. 2) {1614} | PROGRAMMING | 500.0 | Tutorial | 800 |
| 2140 | X(or)-mas Tree | 2-sat bitmasks dfs and similar graphs trees | Statement | D | Codeforces Global Round 18 {1615} | PROGRAMMING | 2250.0 | Global Round 18 Editorial | |
| 388 | Reindeer Games | constructive algorithms flows graphs shortest paths | Statement | H | Codeforces Global Round 18 {1615} | PROGRAMMING | 4000.0 | Global Round 18 Editorial | |
| 1708 | Purple Crayon | dp games greedy math trees | Statement | E | Codeforces Global Round 18 {1615} | PROGRAMMING | 2750.0 | Global Round 18 Editorial | |
| 9228 | Menorah | brute force graphs greedy math | Statement | C | Codeforces Global Round 18 {1615} | PROGRAMMING | 1750.0 | Global Round 18 Editorial | |
| 172 | Maximum Adjacent Pairs | constructive algorithms graph matchings | Statement | G | Codeforces Global Round 18 {1615} | PROGRAMMING | 3750.0 | Global Round 18 Editorial | |
| 1151 | LEGOndary Grandmaster | combinatorics dp math | Statement | F | Codeforces Global Round 18 {1615} | PROGRAMMING | 3000.0 | Global Round 18 Editorial | |
| 21596 | Closing The Gap | greedy math | Statement | A | Codeforces Global Round 18 {1615} | PROGRAMMING | 250.0 | Global Round 18 Editorial | |
| 18003 | And It's Non-Zero | bitmasks greedy math | Statement | B | Codeforces Global Round 18 {1615} | PROGRAMMING | 1000.0 | Global Round 18 Editorial | |
| 20747 | Mirror in the String | greedy strings | Statement | B | Good Bye 2021: 2022 is NEAR {1616} | PROGRAMMING | 1000.0 | Good Bye 2021 -- Editorial | 1100 |
| 13241 | Representative Edges | brute force geometry implementation math | Statement | C | Good Bye 2021: 2022 is NEAR {1616} | PROGRAMMING | 1500.0 | Good Bye 2021 -- Editorial | 1500 |
| 5606 | Keep the Average High | dp greedy math | Statement | D | Good Bye 2021: 2022 is NEAR {1616} | PROGRAMMING | 2000.0 | Good Bye 2021 -- Editorial | 2000 |
| 2726 | Lexicographically Small Enough | data structures greedy strings | Statement | E | Good Bye 2021: 2022 is NEAR {1616} | PROGRAMMING | 2500.0 | Good Bye 2021 -- Editorial | 2200 |
| 722 | Tricolor Triangles | graphs math matrices | Statement | F | Good Bye 2021: 2022 is NEAR {1616} | PROGRAMMING | 3000.0 | Good Bye 2021 -- Editorial | 2900 |
| 1249 | Keep XOR Low | bitmasks combinatorics divide and conquer dp math | Statement | H | Good Bye 2021: 2022 is NEAR {1616} | PROGRAMMING | 4000.0 | Good Bye 2021 -- Editorial | 3000 |
| 425 | Just Add an Edge | dfs and similar dp graphs | Statement | G | Good Bye 2021: 2022 is NEAR {1616} | PROGRAMMING | 3500.0 | Good Bye 2021 -- Editorial | 3500 |
| 23968 | Integer Diversity | implementation | Statement | A | Good Bye 2021: 2022 is NEAR {1616} | PROGRAMMING | 500.0 | Good Bye 2021 -- Editorial | 800 |
| 2055 | Too Many Impostors (hard version) | constructive algorithms interactive | Statement | D2 | Codeforces Round 761 (Div. 2) {1617} | PROGRAMMING | 1000.0 | Editorial for Codeforces Round #761 (Div. 2) | |
| 5205 | Too Many Impostors (easy version) | constructive algorithms interactive | Statement | D1 | Codeforces Round 761 (Div. 2) {1617} | PROGRAMMING | 2000.0 | Editorial for Codeforces Round #761 (Div. 2) | |
| 16043 | Paprika and Permutation | greedy math | Statement | C | Codeforces Round 761 (Div. 2) {1617} | PROGRAMMING | 1500.0 | Editorial for Codeforces Round #761 (Div. 2) | |
| 27008 | GCD Problem | brute force constructive algorithms math | Statement | B | Codeforces Round 761 (Div. 2) {1617} | PROGRAMMING | 1000.0 | Editorial for Codeforces Round #761 (Div. 2) | |
| 17022 | Forbidden Subsequence | constructive algorithms sortings strings | Statement | A | Codeforces Round 761 (Div. 2) {1617} | PROGRAMMING | 750.0 | Editorial for Codeforces Round #761 (Div. 2) | |
| 1035 | Christmas Chocolates | dfs and similar dp games graphs implementation math number theory shortest paths trees | Statement | E | Codeforces Round 761 (Div. 2) {1617} | PROGRAMMING | 3000.0 | Editorial for Codeforces Round #761 (Div. 2) | |
| 1945 | Trader Problem | binary search data structures dsu greedy math sortings | Statement | G | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 7806 | Singers' Tour | constructive algorithms math | Statement | E | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 4757 | Reverse | bitmasks implementation math strings | Statement | F | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 34637 | Polycarp and Sums of Subsequences | math | Statement | A | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 33196 | Paint the Array | math | Statement | C | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 23895 | Missing Bigram | implementation | Statement | B | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 20983 | Array and Operations | dp greedy math | Statement | D | Codeforces Round 760 (Div. 3) {1618} | PROGRAMMING | Codeforces Round #760 (Div. 3) Editorial | ||
| 22758 | Wrong Addition | implementation | Statement | C | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 2767 | Unusual Minesweeper | binary search dfs and similar dsu implementation sortings | Statement | G | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 63284 | Square String? | implementation strings | Statement | A | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 33045 | Squares and Cubes | implementation math | Statement | B | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 1457 | Permutation and Queries | brute force data structures | Statement | H | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 8497 | New Year's Problem | binary search brute force greedy sortings | Statement | D | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 10269 | MEX and Increments | constructive algorithms data structures dp greedy math sortings | Statement | E | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 2359 | Let's Play the Hat? | constructive algorithms math | Statement | F | Codeforces Round 762 (Div. 3) {1619} | PROGRAMMING | Tutorial | ||
| 32440 | Triangles on a Rectangle | geometry greedy math | Statement | B | Educational Codeforces Round 119 (Rated for Div. 2) {1620} | PROGRAMMING | 98061 | ||
| 1167 | Subsequences Galore | bitmasks combinatorics dp math | Statement | G | Educational Codeforces Round 119 (Rated for Div. 2) {1620} | PROGRAMMING | 98061 | ||
| 9752 | Replace the Numbers | data structures dsu greedy trees | Statement | E | Educational Codeforces Round 119 (Rated for Div. 2) {1620} | PROGRAMMING | 98061 |