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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
25702 Balanced Substring implementation Statement A Educational Codeforces Round 113 (Rated for Div. 2) {1569} PROGRAMMING 94721
359 Yellow Cards *special math Statement B Kotlin Heroes: Practice 8 {1570} PROGRAMMING
143 XOR Guessing *special interactive Statement G Kotlin Heroes: Practice 8 {1570} PROGRAMMING
190 Square Filling *special Statement F Kotlin Heroes: Practice 8 {1570} PROGRAMMING
294 Shooting *special greedy implementation Statement C Kotlin Heroes: Practice 8 {1570} PROGRAMMING
273 Reachable Numbers *special implementation Statement D Kotlin Heroes: Practice 8 {1570} PROGRAMMING
11 Minimum Difference *special Statement I Kotlin Heroes: Practice 8 {1570} PROGRAMMING
271 Erasing Zeroes *special strings Statement E Kotlin Heroes: Practice 8 {1570} PROGRAMMING
20 Chainword *special data structures strings Statement H Kotlin Heroes: Practice 8 {1570} PROGRAMMING
807 A+B (Trial Problem) *special Statement A Kotlin Heroes: Practice 8 {1570} PROGRAMMING
43 Two Railroads *special Statement J Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
340 Sweepstake *special brute force constructive algorithms implementation math Statement D Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
1371 Sequence of Comparisons *special Statement A Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
385 Rhyme *special implementation Statement C Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
61 Physical Examination *special binary search data structures Statement I Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
51 Laser Beams *special geometry probabilities Statement H Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
209 Kotlinforces *special constructive algorithms dp Statement F Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
345 Fix the String *special bitmasks dp greedy Statement E Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
726 Epic Novel *special math Statement B Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
78 A Battle Against a Dragon *special data structures dp Statement G Kotlin Heroes: Episode 8 {1571} PROGRAMMING Kotlin Heroes 8 Editorial
9265 Book binary search data structures dp graphs implementation Statement A Codeforces Round 743 (Div. 1) {1572} PROGRAMMING 500.0 Tutorial 1800
1873 Xor of 3 brute force constructive algorithms greedy Statement B Codeforces Round 743 (Div. 1) {1572} PROGRAMMING 1250.0 Tutorial 2500
1521 Paint dp greedy Statement C Codeforces Round 743 (Div. 1) {1572} PROGRAMMING 1750.0 Tutorial 2700
527 Bridge Club flows graphs greedy Statement D Codeforces Round 743 (Div. 1) {1572} PROGRAMMING 2500.0 Tutorial 2800
318 Polygon binary search dp Statement E Codeforces Round 743 (Div. 1) {1572} PROGRAMMING 2500.0 Tutorial 3000
286 Stations data structures Statement F Codeforces Round 743 (Div. 1) {1572} PROGRAMMING 3250.0 Tutorial 3400
14839 Swaps greedy math Statement B Codeforces Round 743 (Div. 2) {1573} PROGRAMMING 1000.0 Tutorial 1400
21284 Countdown greedy Statement A Codeforces Round 743 (Div. 2) {1573} PROGRAMMING 500.0 Tutorial 800
4557 The Strongest Build data structures dfs and similar graphs greedy hashing implementation shortest paths Statement D Educational Codeforces Round 114 (Rated for Div. 2) {1574} PROGRAMMING 95188
17391 Slay the Dragon binary search greedy sortings Statement C Educational Codeforces Round 114 (Rated for Div. 2) {1574} PROGRAMMING 95188
22092 Regular Bracket Sequences constructive algorithms Statement A Educational Codeforces Round 114 (Rated for Div. 2) {1574} PROGRAMMING 95188
639 Occurrences combinatorics dp ds fft graphs Statement F Educational Codeforces Round 114 (Rated for Div. 2) {1574} PROGRAMMING 95188
17507 Combinatorics Homework combinatorics greedy math Statement B Educational Codeforces Round 114 (Rated for Div. 2) {1574} PROGRAMMING 95188
928 Coloring combinatorics constructive algorithms implementation Statement E Educational Codeforces Round 114 (Rated for Div. 2) {1574} PROGRAMMING 95188
254 Managing Telephone Poles Statement M COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
1446 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
725 Knitting Batik implementation math Statement K COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
3905 Jeopardy of Dropped Balls brute force ds implementation Statement J COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
929 Illusions of the Desert data structures trees Statement I COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
637 Holiday Wall Ornaments strings Statement H COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
725 GCD Festival math Statement G COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
122 Finding Expected Value math Statement F COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
339 Eye-Pleasing City Park Tour Statement E COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
2659 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
167 Cyclic Sum data structures Statement C COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
481 Building an Amusement Park binary search geometry Statement B COMPFEST 13 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1575} PROGRAMMING COMPFEST 13 — Editorial
4686 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
457 The Mind constructive algorithms interactive probabilities Statement M ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
1241 Labyrinth binary search ds Statement L ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
371 Kingdom of Islands graphs implementation Statement K ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
240 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)
63 Interactive Rays geometry interactive Statement I ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
2049 Higher Order Functions implementation strings Statement H ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
40 Game of Chance math probabilities Statement G ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
164 Framing Pictures geometry Statement F ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
3868 Easy Scheduling implementation math Statement E ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
46 Dragon Curve Statement D ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
10 Cactus Lady and her Cing Statement C ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
340 Building Forest Trails data structures ds Statement B ICPC WF Moscow Invitational Contest - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1578} PROGRAMMING Tutorial (PDF)
367 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)
10719 Ticks brute force dp greedy implementation Statement C Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
18279 Shifting Sort implementation sortings Statement B Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
16362 Productive Meeting graphs greedy Statement D Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
22045 Permutation Minimization by Deque constructive algorithms greedy math Statement E1 Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
2456 Minimal Coverage binary search dp greedy Statement G Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
39475 Casimir's String Solitaire math strings Statement A Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
4868 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
6786 Array Optimization by Deque data structures greedy Statement E2 Codeforces Round 744 (Div. 3) {1579} PROGRAMMING Codeforces Round #744 (Div. 3) Editorial
3729 Portal brute force dp greedy implementation Statement A Codeforces Round 745 (Div. 1) {1580} PROGRAMMING 500.0 Codeforces Round #745 Editorial 1700
1860 Train Maintenance brute force data structures implementation Statement C Codeforces Round 745 (Div. 1) {1580} PROGRAMMING 1750.0 Codeforces Round #745 Editorial 2200
1080 Mathematics Curriculum combinatorics dp trees Statement B Codeforces Round 745 (Div. 1) {1580} PROGRAMMING 1000.0 Codeforces Round #745 Editorial 2600
960 Subsequence divide and conquer dp trees Statement D Codeforces Round 745 (Div. 1) {1580} PROGRAMMING 2000.0 Codeforces Round #745 Editorial 2900
136 Problems for Codeforces fft math Statement F Codeforces Round 745 (Div. 1) {1580} PROGRAMMING 3500.0 Codeforces Round #745 Editorial 3300
77 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
11614 Diameter of Graph constructive algorithms graphs greedy math Statement B Codeforces Round 745 (Div. 2) {1581} PROGRAMMING 1000.0 Codeforces Round #745 Editorial 1200
13560 CQXYM Count Permutations math Statement A Codeforces Round 745 (Div. 2) {1581} PROGRAMMING 500.0 Codeforces Round #745 Editorial 800
10743 Vupsen, Pupsen and 0 constructive algorithms math Statement D Codeforces Round 750 (Div. 2) {1582} PROGRAMMING 1750.0 Codeforces Round #750 (Div.2) Editorial
3834 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
21878 Luntik and Subsequences combinatorics math Statement B Codeforces Round 750 (Div. 2) {1582} PROGRAMMING 750.0 Codeforces Round #750 (Div.2) Editorial
18704 Luntik and Concerts math Statement A Codeforces Round 750 (Div. 2) {1582} PROGRAMMING 500.0 Codeforces Round #750 (Div.2) Editorial
603 Kuzya and Homework data structures number theory Statement G Codeforces Round 750 (Div. 2) {1582} PROGRAMMING 3250.0 Codeforces Round #750 (Div.2) Editorial
1877 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
5815 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
16558 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
13825 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)
346 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)
470 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)
5467 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)
12449 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)
7011 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)
2268 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)
1358 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)
13540 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
3730 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
1317 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
1005 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
218 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
14997 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
16718 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