Review the problem statement from Codeforces (link will open a new tab). When you've matched your problem, go to the solutions.
Get exact match for tags using this format, eg: [u'brute force', 'dp']
< 1 2 3 ... 91 92 93 94 95 ... 100 101 102 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
---|---|---|---|---|---|---|---|---|---|
61017 | Odd One Out | bitmasks implementation | Statement | A | Codeforces Round 918 (Div. 4) {1915} | PROGRAMMING | 123952 | ||
43827 | Not Quite Latin Square | brute force implementation | Statement | B | Codeforces Round 918 (Div. 4) {1915} | PROGRAMMING | 123952 | ||
14841 | Greetings | data structures divide and conquer sortings | Statement | F | Codeforces Round 918 (Div. 4) {1915} | PROGRAMMING | 123952 | ||
44877 | Can I Square? | implementation | Statement | C | Codeforces Round 918 (Div. 4) {1915} | PROGRAMMING | 123952 | ||
6841 | Bicycles | dp graphs greedy implementation shortest paths sortings | Statement | G | Codeforces Round 918 (Div. 4) {1915} | PROGRAMMING | 123952 | ||
27137 | Two Divisors | constructive algorithms math number theory | Statement | B | Good Bye 2023 {1916} | PROGRAMMING | 750.0 | ||
18467 | Training Before the Olympiad | constructive algorithms games implementation math | Statement | C | Good Bye 2023 {1916} | PROGRAMMING | 1250.0 | ||
151 | Optimizations From Chelsu | divide and conquer dp number theory trees | Statement | G | Good Bye 2023 {1916} | PROGRAMMING | 3750.0 | ||
551 | Matrix Rank (Hard Version) | combinatorics dp math matrices | Statement | H2 | Good Bye 2023 {1916} | PROGRAMMING | 1750.0 | ||
630 | Matrix Rank (Easy Version) | brute force combinatorics dp math matrices | Statement | H1 | Good Bye 2023 {1916} | PROGRAMMING | 2750.0 | ||
8873 | Mathematical Problem | brute force constructive algorithms implementation math strings | Statement | D | Good Bye 2023 {1916} | PROGRAMMING | 1500.0 | ||
2321 | Happy Life in University | brute force data structures dfs and similar dp implementation trees | Statement | E | Good Bye 2023 {1916} | PROGRAMMING | 2000.0 | ||
512 | Group Division | constructive algorithms dfs and similar graphs | Statement | F | Good Bye 2023 {1916} | PROGRAMMING | 2750.0 | ||
26767 | 2023 | constructive algorithms implementation math number theory | Statement | A | Good Bye 2023 {1916} | PROGRAMMING | 250.0 | ||
1840 | Yet Another Inversions Problem | bitmasks combinatorics data structures math | Statement | D | Codeforces Round 917 (Div. 2) {1917} | PROGRAMMING | 2250.0 | Editorial of Codeforces Round 917 (Div. 2) | |
10865 | Watering an Array | brute force greedy implementation math | Statement | C | Codeforces Round 917 (Div. 2) {1917} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round 917 (Div. 2) | |
25870 | Least Product | constructive algorithms math | Statement | A | Codeforces Round 917 (Div. 2) {1917} | PROGRAMMING | 500.0 | Editorial of Codeforces Round 917 (Div. 2) | |
23846 | Erase First or Second Letter | brute force combinatorics dp strings | Statement | B | Codeforces Round 917 (Div. 2) {1917} | PROGRAMMING | 1000.0 | Editorial of Codeforces Round 917 (Div. 2) | |
991 | Construct Tree | bitmasks constructive algorithms dp trees | Statement | F | Codeforces Round 917 (Div. 2) {1917} | PROGRAMMING | 3000.0 | Editorial of Codeforces Round 917 (Div. 2) | |
1425 | Construct Matrix | constructive algorithms math | Statement | E | Codeforces Round 917 (Div. 2) {1917} | PROGRAMMING | 2500.0 | Editorial of Codeforces Round 917 (Div. 2) | |
14557 | XOR-distance | bitmasks dp greedy implementation math | Statement | C | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 1250.0 | Codeforces Round #922 (Div. 2) Editorial | |
489 | Permutation of Given | brute force constructive algorithms | Statement | G | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 3250.0 | Codeforces Round #922 (Div. 2) Editorial | |
24507 | Minimize Inversions | constructive algorithms data structures greedy implementation sortings | Statement | B | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 1000.0 | Codeforces Round #922 (Div. 2) Editorial | |
928 | Caterpillar on a Tree | binary search dfs and similar graphs greedy implementation trees | Statement | F | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 3000.0 | Codeforces Round #922 (Div. 2) Editorial | |
30718 | Brick Wall | constructive algorithms greedy implementation math | Statement | A | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 500.0 | Codeforces Round #922 (Div. 2) Editorial | |
4993 | Blocking Elements | binary search data structures dp greedy implementation two pointers | Statement | D | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 2000.0 | Codeforces Round #922 (Div. 2) Editorial | |
1794 | ace5 and Task Order | binary search divide and conquer implementation interactive probabilities sortings | Statement | E | Codeforces Round 922 (Div. 2) {1918} | PROGRAMMING | 2500.0 | Codeforces Round #922 (Div. 2) Editorial | |
20264 | Grouping Increases | data structures dp greedy | Statement | C | Hello 2024 {1919} | PROGRAMMING | 1000.0 | 1400 | |
4011 | 01 Tree | data structures divide and conquer greedy implementation sortings trees | Statement | D | Hello 2024 {1919} | PROGRAMMING | 1500.0 | 2100 | |
2249 | Wine Factory (Easy Version) | data structures flows schedules trees | Statement | F1 | Hello 2024 {1919} | PROGRAMMING | 1500.0 | 2300 | |
901 | Counting Prefixes | combinatorics dp math | Statement | E | Hello 2024 {1919} | PROGRAMMING | 2250.0 | 2600 | |
890 | Wine Factory (Hard Version) | data structures flows | Statement | F2 | Hello 2024 {1919} | PROGRAMMING | 1500.0 | 2800 | |
185 | Tree LGM | constructive algorithms games trees | Statement | G | Hello 2024 {1919} | PROGRAMMING | 4000.0 | 3500 | |
151 | Tree Diameter | interactive trees | Statement | H | Hello 2024 {1919} | PROGRAMMING | 5000.0 | 3500 | |
34095 | Wallet Exchange | games math | Statement | A | Hello 2024 {1919} | PROGRAMMING | 250.0 | 800 | |
30279 | Plus-Minus Split | greedy | Statement | B | Hello 2024 {1919} | PROGRAMMING | 500.0 | 800 | |
21402 | Summation Game | dp games greedy sortings | Statement | B | Codeforces Round 919 (Div. 2) {1920} | PROGRAMMING | 1000.0 | Editorial for Codeforces Round #919 (Div. 2) | |
545 | Smooth Sailing (Hard Version) | binary search data structures ds graphs trees | Statement | F2 | Codeforces Round 919 (Div. 2) {1920} | PROGRAMMING | 2500.0 | Editorial for Codeforces Round #919 (Div. 2) | |
1036 | Smooth Sailing (Easy Version) | binary search data structures dfs and similar ds graphs | Statement | F1 | Codeforces Round 919 (Div. 2) {1920} | PROGRAMMING | 2500.0 | Editorial for Codeforces Round #919 (Div. 2) | |
28176 | Satisfying Constraints | brute force greedy math schedules | Statement | A | Codeforces Round 919 (Div. 2) {1920} | PROGRAMMING | 500.0 | Editorial for Codeforces Round #919 (Div. 2) | |
14492 | Partitioning the Array | brute force number theory | Statement | C | Codeforces Round 919 (Div. 2) {1920} | PROGRAMMING | 1500.0 | Editorial for Codeforces Round #919 (Div. 2) | |
2810 | Counting Binary Strings | combinatorics dp math strings | Statement | E | Codeforces Round 919 (Div. 2) {1920} | PROGRAMMING | 2250.0 | Editorial for Codeforces Round #919 (Div. 2) | |
5769 | Array Repetition | binary search data structures dp implementation math | Statement | D | Codeforces Round 919 (Div. 2) {1920} | PROGRAMMING | 2000.0 | Editorial for Codeforces Round #919 (Div. 2) | |
22211 | Very Different Array | greedy sortings two pointers | Statement | D | Codeforces Round 920 (Div. 3) {1921} | PROGRAMMING | Editorial for Codeforces Round 920 (Div. 3) | ||
4039 | Sum of Progression | brute force data structures implementation math | Statement | F | Codeforces Round 920 (Div. 3) {1921} | PROGRAMMING | Editorial for Codeforces Round 920 (Div. 3) | ||
44465 | Square | greedy math | Statement | A | Codeforces Round 920 (Div. 3) {1921} | PROGRAMMING | Editorial for Codeforces Round 920 (Div. 3) | ||
30042 | Sending Messages | greedy math | Statement | C | Codeforces Round 920 (Div. 3) {1921} | PROGRAMMING | Editorial for Codeforces Round 920 (Div. 3) | ||
1277 | Mischievous Shooter | data structures divide and conquer dp implementation | Statement | G | Codeforces Round 920 (Div. 3) {1921} | PROGRAMMING | Editorial for Codeforces Round 920 (Div. 3) | ||
10129 | Eat the Chip | brute force games greedy | Statement | E | Codeforces Round 920 (Div. 3) {1921} | PROGRAMMING | Editorial for Codeforces Round 920 (Div. 3) | ||
34292 | Arranging Cats | greedy implementation | Statement | B | Codeforces Round 920 (Div. 3) {1921} | PROGRAMMING | Editorial for Codeforces Round 920 (Div. 3) | ||
27471 | Tricky Template | constructive algorithms implementation strings | Statement | A | Educational Codeforces Round 161 (Rated for Div. 2) {1922} | PROGRAMMING | Educational Codeforces Round 161 Editorial | ||
1458 | Replace on Segment | dp | Statement | F | Educational Codeforces Round 161 (Rated for Div. 2) {1922} | PROGRAMMING | Educational Codeforces Round 161 Editorial | ||
7965 | Increasing Subsequences | bitmasks constructive algorithms math | Statement | E | Educational Codeforces Round 161 (Rated for Div. 2) {1922} | PROGRAMMING | Educational Codeforces Round 161 Editorial | ||
21273 | Forming Triangles | combinatorics implementation math | Statement | B | Educational Codeforces Round 161 (Rated for Div. 2) {1922} | PROGRAMMING | Educational Codeforces Round 161 Editorial | ||
19175 | Closest Cities | greedy | Statement | C | Educational Codeforces Round 161 (Rated for Div. 2) {1922} | PROGRAMMING | Educational Codeforces Round 161 Editorial | ||
5891 | Berserk Monsters | data structures dfs and similar greedy implementation | Statement | D | Educational Codeforces Round 161 (Rated for Div. 2) {1922} | PROGRAMMING | Educational Codeforces Round 161 Editorial | ||
7121 | Slimes | binary search data structures greedy | Statement | D | Educational Codeforces Round 162 (Rated for Div. 2) {1923} | PROGRAMMING | Educational Codeforces Round 162 Editorial | ||
388 | Shrink-Reverse | binary search greedy string suffix structures strings | Statement | F | Educational Codeforces Round 162 (Rated for Div. 2) {1923} | PROGRAMMING | Educational Codeforces Round 162 Editorial | ||
25069 | Moving Chips | greedy implementation | Statement | A | Educational Codeforces Round 162 (Rated for Div. 2) {1923} | PROGRAMMING | Educational Codeforces Round 162 Editorial | ||
18165 | Monsters Attack! | dp greedy implementation | Statement | B | Educational Codeforces Round 162 (Rated for Div. 2) {1923} | PROGRAMMING | Educational Codeforces Round 162 Editorial | ||
15848 | Find B | constructive algorithms data structures greedy | Statement | C | Educational Codeforces Round 162 (Rated for Div. 2) {1923} | PROGRAMMING | Educational Codeforces Round 162 Editorial | ||
4088 | Count Paths | data structures dfs and similar divide and conquer dp ds trees | Statement | E | Educational Codeforces Round 162 (Rated for Div. 2) {1923} | PROGRAMMING | Educational Codeforces Round 162 Editorial | ||
2662 | Space Harbour | brute force data structures implementation math sortings | Statement | B | Codeforces Round 921 (Div. 1) {1924} | PROGRAMMING | 1000.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
445 | Paper Cutting Again | combinatorics probabilities | Statement | E | Codeforces Round 921 (Div. 1) {1924} | PROGRAMMING | 2500.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
1191 | Fractal Origami | combinatorics geometry math matrices | Statement | C | Codeforces Round 921 (Div. 1) {1924} | PROGRAMMING | 1500.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
14482 | Did We Get Everything Covered? | constructive algorithms dp greedy strings | Statement | A | Codeforces Round 921 (Div. 1) {1924} | PROGRAMMING | 500.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
1068 | Balanced Subsequences | combinatorics dp math | Statement | D | Codeforces Round 921 (Div. 1) {1924} | PROGRAMMING | 1750.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
158 | Anti-Proxy Attendance | constructive algorithms interactive ternary search | Statement | F | Codeforces Round 921 (Div. 1) {1924} | PROGRAMMING | 3000.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
29369 | We Got Everything Covered! | constructive algorithms greedy strings | Statement | A | Codeforces Round 921 (Div. 2) {1925} | PROGRAMMING | 500.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
3781 | Good Trip | combinatorics dp math probabilities | Statement | D | Codeforces Round 921 (Div. 2) {1925} | PROGRAMMING | 1750.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
20683 | A Balanced Problemset? | brute force greedy math number theory | Statement | B | Codeforces Round 921 (Div. 2) {1925} | PROGRAMMING | 1000.0 | Codeforces Round 921 (Div. 1, Div. 2) Editorial | |
3766 | Vlad and Trouble at MIT | dfs and similar dp flows graphs greedy implementation trees | Statement | G | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
50871 | Vlad and the Best of Five | implementation | Statement | A | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
33425 | Vlad and Shapes | implementation | Statement | B | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
16121 | Vlad and Division | bitmasks greedy | Statement | D | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
1775 | Vlad and Avoiding X | bitmasks brute force constructive algorithms dfs and similar dp implementation | Statement | F | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
27882 | Vlad and a Sum of Sum of Digits | dp implementation | Statement | C | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
12621 | Vlad and an Odd Ordering | binary search bitmasks data structures dp implementation math number theory | Statement | E | Codeforces Round 928 (Div. 4) {1926} | PROGRAMMING | 126132 | ||
1745 | Paint Charges | data structures dp greedy math | Statement | G | Codeforces Round 923 (Div. 3) {1927} | PROGRAMMING | 125597 | ||
4572 | Microcycle | data structures dfs and similar ds graphs greedy trees | Statement | F | Codeforces Round 923 (Div. 3) {1927} | PROGRAMMING | 125597 | ||
44784 | Make it White | greedy strings | Statement | A | Codeforces Round 923 (Div. 3) {1927} | PROGRAMMING | 125597 | ||
14586 | Klever Permutation | constructive algorithms math | Statement | E | Codeforces Round 923 (Div. 3) {1927} | PROGRAMMING | 125597 | ||
34278 | Following the String | constructive algorithms greedy strings | Statement | B | Codeforces Round 923 (Div. 3) {1927} | PROGRAMMING | 125597 | ||
22868 | Find the Different Ones! | binary search brute force data structures dp greedy two pointers | Statement | D | Codeforces Round 923 (Div. 3) {1927} | PROGRAMMING | 125597 | ||
28708 | Choose the Different Ones! | brute force greedy math | Statement | C | Codeforces Round 923 (Div. 3) {1927} | PROGRAMMING | 125597 | ||
23104 | Rectangle Cutting | constructive algorithms geometry greedy math | Statement | A | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 500.0 | Codeforces Round 924 Editorial | |
8920 | Physical Education Lesson | brute force math number theory | Statement | C | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 1500.0 | Codeforces Round 924 Editorial | |
1779 | Modular Sequence | constructive algorithms dp greedy implementation math number theory | Statement | E | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 2250.0 | Codeforces Round 924 Editorial | |
4455 | Lonely Mountain Dungeons | binary search brute force data structures greedy math ternary search | Statement | D | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 1750.0 | Codeforces Round 924 Editorial | |
18224 | Equalize | binary search greedy sortings two pointers | Statement | B | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 1000.0 | Codeforces Round 924 Editorial | |
275 | Digital Patterns | combinatorics data structures implementation math | Statement | F | Codeforces Round 924 (Div. 2) {1928} | PROGRAMMING | 2750.0 | Codeforces Round 924 Editorial | |
1841 | Sasha and the Wedding Binary Search Tree | combinatorics dfs and similar math sortings trees | Statement | F | Codeforces Round 926 (Div. 2) {1929} | PROGRAMMING | 3000.0 | Codeforces Round #926 (Div. 2) Editorial. | |
1755 | Sasha and the Happy Tree Cutting | bitmasks brute force dp fft graphs greedy trees | Statement | E | Codeforces Round 926 (Div. 2) {1929} | PROGRAMMING | 2500.0 | Codeforces Round #926 (Div. 2) Editorial. | |
25626 | Sasha and the Drawing | constructive algorithms greedy math | Statement | B | Codeforces Round 926 (Div. 2) {1929} | PROGRAMMING | 1000.0 | Codeforces Round #926 (Div. 2) Editorial. | |
15461 | Sasha and the Casino | binary search brute force dp games greedy math | Statement | C | Codeforces Round 926 (Div. 2) {1929} | PROGRAMMING | 1500.0 | Codeforces Round #926 (Div. 2) Editorial. | |
32267 | Sasha and the Beautiful Array | constructive algorithms greedy sortings | Statement | A | Codeforces Round 926 (Div. 2) {1929} | PROGRAMMING | 500.0 | Codeforces Round #926 (Div. 2) Editorial. | |
4969 | Sasha and a Walk in the City | combinatorics dfs and similar dp math trees | Statement | D | Codeforces Round 926 (Div. 2) {1929} | PROGRAMMING | 2000.0 | Codeforces Round #926 (Div. 2) Editorial. | |
2728 | Sum over all Substrings (Hard Version) | dp greedy strings | Statement | D2 | think-cell Round 1 {1930} | PROGRAMMING | 1000.0 | think-cell Round 1 Editorial | |
4271 | Sum over all Substrings (Easy Version) | brute force dp greedy strings | Statement | D1 | think-cell Round 1 {1930} | PROGRAMMING | 1250.0 | think-cell Round 1 Editorial | |
364 | Prefix Max Set Counting | data structures trees | Statement | G | think-cell Round 1 {1930} | PROGRAMMING | 3500.0 | think-cell Round 1 Editorial |