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20117 Monsters Attack! dp greedy implementation Statement B Educational Codeforces Round 162 (Rated for Div. 2) {1923} PROGRAMMING Educational Codeforces Round 162 Editorial
26508 Moving Chips greedy implementation Statement A Educational Codeforces Round 162 (Rated for Div. 2) {1923} PROGRAMMING Educational Codeforces Round 162 Editorial
17057 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
23744 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
31368 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
4680 Vlad and Trouble at MIT dfs and similar dp flows graphs greedy implementation trees Statement G Codeforces Round 928 (Div. 4) {1926} PROGRAMMING 126132
35640 Find the Different Ones! binary search brute force data structures dp greedy two pointers Statement D Codeforces Round 923 (Div. 3) {1927} PROGRAMMING 125597
32006 Choose the Different Ones! brute force greedy math Statement C Codeforces Round 923 (Div. 3) {1927} PROGRAMMING 125597
38720 Following the String constructive algorithms greedy strings Statement B Codeforces Round 923 (Div. 3) {1927} PROGRAMMING 125597
5647 Microcycle data structures dfs and similar dsu graphs greedy trees Statement F Codeforces Round 923 (Div. 3) {1927} PROGRAMMING 125597
2058 Paint Charges data structures dp greedy math Statement G Codeforces Round 923 (Div. 3) {1927} PROGRAMMING 125597
52316 Make it White greedy strings Statement A Codeforces Round 923 (Div. 3) {1927} PROGRAMMING 125597
5277 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
21258 Equalize binary search greedy sortings two pointers Statement B Codeforces Round 924 (Div. 2) {1928} PROGRAMMING 1000.0 Codeforces Round 924 Editorial
2260 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
24577 Rectangle Cutting constructive algorithms geometry greedy math Statement A Codeforces Round 924 (Div. 2) {1928} PROGRAMMING 500.0 Codeforces Round 924 Editorial
17598 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.
2151 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.
26900 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.
35401 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.
4931 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
8270 Lexicographically Largest constructive algorithms data structures greedy sortings Statement C think-cell Round 1 {1930} PROGRAMMING 1500.0 think-cell Round 1 Editorial
3135 Sum over all Substrings (Hard Version) dp greedy strings Statement D2 think-cell Round 1 {1930} PROGRAMMING 1000.0 think-cell Round 1 Editorial
20444 Maximise The Score greedy sortings Statement A think-cell Round 1 {1930} PROGRAMMING 500.0 think-cell Round 1 Editorial
34417 Make Equal Again brute force greedy math Statement C Codeforces Round 925 (Div. 3) {1931} PROGRAMMING 125878
27702 Anna and the Valentine's Day Gift games greedy math sortings Statement E Codeforces Round 925 (Div. 3) {1931} PROGRAMMING 125878
34480 Thorns and Coins dp greedy implementation Statement A Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
13680 Card Game greedy implementation Statement D Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
23992 Turtle Tenacity: Continual Mods constructive algorithms greedy number theory sortings Statement D Codeforces Round 929 (Div. 3) {1933} PROGRAMMING Codeforces Round 929 (Div. 3) Editorial
42567 Turtle Puzzle: Rearrange and Negate greedy math sortings Statement A Codeforces Round 929 (Div. 3) {1933} PROGRAMMING Codeforces Round 929 (Div. 3) Editorial
1827 XOR Break --- Game Version bitmasks games greedy interactive Statement D2 Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 1250.0 Tutorial
22429 Yet Another Coin Problem brute force dp greedy math Statement B Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 1000.0 Tutorial
8263 Find a Mine constructive algorithms geometry greedy interactive math Statement C Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 1500.0 Tutorial
27505 Too Min Too Max constructive algorithms greedy math Statement A Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 500.0 Tutorial
1691 Distance Learning Courses in MAC binary search bitmasks data structures greedy implementation math Statement E Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 2500.0 Codeforces Round #932 (Div. 2) Editorial
688 Andrey's Tree binary search constructive algorithms dsu greedy implementation trees Statement F Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 3000.0 Codeforces Round #932 (Div. 2) Editorial
8782 Bitwise Operation Wizard bitmasks constructive algorithms greedy interactive math Statement A Codeforces Round 930 (Div. 1) {1936} PROGRAMMING 500.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
723 Bitwise Paradox bitmasks data structures greedy two pointers Statement D Codeforces Round 930 (Div. 1) {1936} PROGRAMMING 2000.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
17606 Binary Path greedy implementation Statement B Codeforces Round 930 (Div. 2) {1937} PROGRAMMING 1000.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
7576 Rudolf and Imbalance binary search greedy two pointers Statement F Codeforces Round 933 (Div. 3) {1941} PROGRAMMING 127018
35452 Rudolf and 121 greedy math Statement B Codeforces Round 933 (Div. 3) {1941} PROGRAMMING 127018
6979 Bessie's Birthday Cake (Hard Version) geometry greedy math Statement C2 CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 750.0 CodeTON Round 8 Editorial
381 MEX Game 2 (Hard Version) binary search greedy two pointers Statement E2 Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 1500.0 Codeforces Round #934 (Div1, Div2) Editorial
2735 Tree Compass constructive algorithms dfs and similar greedy trees Statement C Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 1250.0 Codeforces Round #934 (Div1, Div2) Editorial
30668 Setting up Camp greedy math Statement A Codeforces Round 935 (Div. 3) {1945} PROGRAMMING 127377
14162 Tree Cutting binary search dp greedy implementation trees Statement C Codeforces Round 936 (Div. 2) {1946} PROGRAMMING 1500.0 Codeforces Round #936 (Div. 2) Editorial
5697 Birthday Gift bitmasks brute force constructive algorithms greedy implementation Statement D Codeforces Round 936 (Div. 2) {1946} PROGRAMMING 1750.0 Codeforces Round #936 (Div. 2) Editorial
28870 Median of an Array greedy implementation Statement A Codeforces Round 936 (Div. 2) {1946} PROGRAMMING 500.0 Codeforces Round #936 (Div. 2) Editorial
23934 Maximum Sum greedy math Statement B Codeforces Round 936 (Div. 2) {1946} PROGRAMMING 1000.0 Codeforces Round #936 (Div. 2) Editorial
26588 Array Fix brute force dp greedy implementation Statement B Educational Codeforces Round 163 (Rated for Div. 2) {1948} PROGRAMMING Educational Codeforces Round 163 Editorial
5049 Charming Meals binary search brute force greedy sortings Statement B European Championship 2024 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1949} PROGRAMMING European Championship 2024 (EUC) Editorial
2594 Annual Ants' Gathering dfs and similar greedy trees Statement C European Championship 2024 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1949} PROGRAMMING European Championship 2024 (EUC) Editorial
1513 Dating greedy sortings trees Statement F European Championship 2024 - Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1949} PROGRAMMING European Championship 2024 (EUC) Editorial
11497 0, 1, 2, Tree! greedy math trees Statement F Codeforces Round 937 (Div. 4) {1950} PROGRAMMING Codeforces Round 937 (Div. 4) Editorial
4613 No Palindromes brute force constructive algorithms greedy hashing implementation strings Statement E Codeforces Global Round 25 {1951} PROGRAMMING 2250.0 Codeforces Global Round 25 Editorial
6397 Buying Jewels constructive algorithms greedy math Statement D Codeforces Global Round 25 {1951} PROGRAMMING 1750.0 Codeforces Global Round 25 Editorial
381 Thanos Snap dp games greedy trees Statement H Codeforces Global Round 25 {1951} PROGRAMMING 3500.0 Codeforces Global Round 25 Editorial
22878 Dual Trigger greedy math Statement A Codeforces Global Round 25 {1951} PROGRAMMING 500.0 Codeforces Global Round 25 Editorial
13978 Ticket Hoarding greedy math sortings Statement C Codeforces Global Round 25 {1951} PROGRAMMING 1500.0 Codeforces Global Round 25 Editorial
8385 Colored Balls combinatorics dp greedy math sortings Statement D Educational Codeforces Round 164 (Rated for Div. 2) {1954} PROGRAMMING Educational Codeforces Round 164 Editorial
3064 Chain Reaction data structures dsu greedy implementation math number theory Statement E Educational Codeforces Round 164 (Rated for Div. 2) {1954} PROGRAMMING Educational Codeforces Round 164 Editorial
23222 Long Multiplication greedy math Statement C Educational Codeforces Round 164 (Rated for Div. 2) {1954} PROGRAMMING Educational Codeforces Round 164 Editorial
10805 Long Inversions brute force greedy implementation sortings Statement E Codeforces Round 938 (Div. 3) {1955} PROGRAMMING 128243
8882 Unfair Game dp games greedy math Statement F Codeforces Round 938 (Div. 3) {1955} PROGRAMMING 128243
25067 Inhabitant of the Deep Sea greedy implementation math Statement C Codeforces Round 938 (Div. 3) {1955} PROGRAMMING 128243
4874 Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation Statement D Codeforces Round 939 (Div. 2) {1956} PROGRAMMING 1750.0 [Editorial] Codeforces Round 939 (Div. 2)
15396 Nene's Magical Matrix constructive algorithms greedy math Statement C Codeforces Round 939 (Div. 2) {1956} PROGRAMMING 1500.0 [Editorial] Codeforces Round 939 (Div. 2)
20774 A BIT of a Construction bitmasks constructive algorithms greedy implementation Statement B Codeforces Round 940 (Div. 2) and CodeCraft-23 {1957} PROGRAMMING 1000.0 Codeforces Round #940 and CodeCraft-23 (Div. 2) Editorial 1100
17247 Everything Nim games greedy math sortings Statement A Codeforces Round 941 (Div. 1) {1965} PROGRAMMING 500.0 Codeforces Round #941 (Div. 1, Div. 2) Editorial 1400
8314 Missing Subsequence Sum bitmasks constructive algorithms greedy number theory Statement B Codeforces Round 941 (Div. 1) {1965} PROGRAMMING 1250.0 Codeforces Round #941 (Div. 1, Div. 2) Editorial 1800
2480 Folding Strip constructive algorithms greedy strings Statement C Codeforces Round 941 (Div. 1) {1965} PROGRAMMING 1500.0 Codeforces Round #941 (Div. 1, Div. 2) Editorial 2300
15274 Permutation Counting binary search greedy implementation math sortings Statement A Codeforces Round 942 (Div. 1) {1967} PROGRAMMING 750.0 Tutorial 1400
17728 Permutation Game brute force dfs and similar games graphs greedy math Statement D Codeforces Round 943 (Div. 3) {1968} PROGRAMMING 129096 1300
31961 Prefiquence greedy two pointers Statement B Codeforces Round 943 (Div. 3) {1968} PROGRAMMING 129096 800
5826 Shop Game data structures greedy math sortings Statement D Educational Codeforces Round 165 (Rated for Div. 2) {1969} PROGRAMMING Educational Codeforces Round 165 Editorial 1900
415 Card Pairing dp greedy hashing implementation Statement F Educational Codeforces Round 165 (Rated for Div. 2) {1969} PROGRAMMING Educational Codeforces Round 165 Editorial 3000
31104 Binary Cut dp greedy implementation sortings strings Statement D Codeforces Round 944 (Div. 4) {1971} PROGRAMMING Codeforces Round 944 (Div. 4) Editorial 1100
26230 Contest Proposal brute force greedy two pointers Statement A Codeforces Round 942 (Div. 2) {1972} PROGRAMMING 500.0 Tutorial 800
17138 Cat, Fox and the Lonely Array binary search bitmasks data structures greedy math two pointers Statement B Codeforces Round 945 (Div. 2) {1973} PROGRAMMING 1000.0 Editorial for Codeforces Round #945 (Div. 2) 1300
10005 Cat, Fox and Double Maximum constructive algorithms greedy implementation math sortings Statement C Codeforces Round 945 (Div. 2) {1973} PROGRAMMING 1500.0 Editorial for Codeforces Round #945 (Div. 2) 1700
18078 Ingenuity-2 constructive algorithms greedy implementation Statement D Codeforces Round 946 (Div. 3) {1974} PROGRAMMING Codeforces Round #946 (Div. 3) Editorial 1400
6209 Money Buys Less Happiness Now data structures greedy sortings Statement G Codeforces Round 946 (Div. 3) {1974} PROGRAMMING Codeforces Round #946 (Div. 3) Editorial 2000
38363 Phone Desktop greedy math Statement A Codeforces Round 946 (Div. 3) {1974} PROGRAMMING Codeforces Round #946 (Div. 3) Editorial 800
21324 378QAQ and Mocha's Array brute force greedy math sortings Statement B Codeforces Round 947 (Div. 1 + Div. 2) {1975} PROGRAMMING 500.0 editorial_zh.pdf 1000
7673 Paint the Tree brute force dfs and similar dp greedy shortest paths trees Statement D Codeforces Round 947 (Div. 1 + Div. 2) {1975} PROGRAMMING 1500.0 editorial_zh.pdf 1700
358 Zimpha Fan Club fft greedy math strings Statement G Codeforces Round 947 (Div. 1 + Div. 2) {1975} PROGRAMMING 3000.0 editorial_zh.pdf 3000
221 378QAQ and Core greedy strings Statement H Codeforces Round 947 (Div. 1 + Div. 2) {1975} PROGRAMMING 4500.0 editorial_zh.pdf 3500
20945 Bazoka and Mocha's Array brute force greedy implementation sortings Statement A Codeforces Round 947 (Div. 1 + Div. 2) {1975} PROGRAMMING 250.0 editorial_zh.pdf 800
12689 Job Interview binary search dp greedy implementation two pointers Statement C Educational Codeforces Round 166 (Rated for Div. 2) {1976} PROGRAMMING Educational Codeforces Round 166 Editorial
1353 Splittable Permutations combinatorics data structures dfs and similar greedy math trees Statement E Educational Codeforces Round 166 (Rated for Div. 2) {1976} PROGRAMMING Educational Codeforces Round 166 Editorial
1018 Remove Bridges data structures dfs and similar dp greedy sortings trees Statement F Educational Codeforces Round 166 (Rated for Div. 2) {1976} PROGRAMMING Educational Codeforces Round 166 Editorial
25385 Increase/Decrease/Copy greedy implementation Statement B Educational Codeforces Round 166 (Rated for Div. 2) {1976} PROGRAMMING Educational Codeforces Round 166 Editorial
20150 Binary Colouring bitmasks constructive algorithms greedy math Statement B Codeforces Round 948 (Div. 2) {1977} PROGRAMMING 1250.0 129858 1100
8199 Nikita and LCM brute force data structures dp greedy math number theory sortings Statement C Codeforces Round 948 (Div. 2) {1977} PROGRAMMING 1750.0 129858 1900
2437 XORificator bitmasks brute force greedy hashing Statement D Codeforces Round 948 (Div. 2) {1977} PROGRAMMING 2000.0 129858 2300
25670 New Bakery binary search greedy math ternary search Statement B Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 750.0 130527
18089 Manhattan Permutations constructive algorithms greedy implementation math Statement C Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 1250.0 130527
4700 Computing Machine data structures dp greedy implementation Statement E Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 2000.0 130527
13914 Elections data structures greedy implementation math Statement D Codeforces Round 953 (Div. 2) {1978} PROGRAMMING 1500.0 130527
7980 Fixing a Binary String bitmasks brute force constructive algorithms greedy hashing strings Statement D Codeforces Round 951 (Div. 2) {1979} PROGRAMMING 2000.0 Codeforces Round 951 (Div. 2) Editorial
32072 Guess the Maximum brute force greedy implementation Statement A Codeforces Round 951 (Div. 2) {1979} PROGRAMMING 500.0 Codeforces Round 951 (Div. 2) Editorial
17730 GCD-sequence greedy implementation math math number theory number theory Statement D Codeforces Round 950 (Div. 3) {1980} PROGRAMMING 130135
6452 Turtle and an Incomplete Sequence bitmasks constructive algorithms greedy implementation math Statement C Codeforces Round 949 (Div. 2) {1981} PROGRAMMING 1500.0 Simplified Chinese Tutorial
24399 Turtle and Piggy Are Playing a Game brute force greedy math Statement A Codeforces Round 949 (Div. 2) {1981} PROGRAMMING 500.0 Simplified Chinese Tutorial
22337 Boring Day binary search data structures dp greedy two pointers Statement C Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} PROGRAMMING 1000.0 130839
27674 Soccer greedy implementation math sortings Statement A Codeforces Round 955 (Div. 2, with prizes from NEAR!) {1982} PROGRAMMING 500.0 130839
14945 Have Your Cake and Eat It Too binary search brute force dp greedy implementation Statement C Codeforces Round 956 (Div. 2) and ByteRace 2024 {1983} PROGRAMMING 1250.0
11550 Swap Dilemma constructive algorithms divide and conquer greedy math sortings Statement D Codeforces Round 956 (Div. 2) and ByteRace 2024 {1983} PROGRAMMING 1750.0
18637 Corner Twist constructive algorithms greedy implementation math Statement B Codeforces Round 956 (Div. 2) and ByteRace 2024 {1983} PROGRAMMING 1000.0
1903 Shuffle constructive algorithms dp greedy trees Statement E Codeforces Global Round 26 {1984} PROGRAMMING 3000.0 Codeforces Global Round 26 Editorial
41159 Good Prefixes greedy implementation Statement C Codeforces Round 952 (Div. 4) {1985} PROGRAMMING Codeforces Round 952 (Div. 4) Editorial
30484 Matrix Stabilization brute force greedy sortings Statement B Codeforces Round 954 (Div. 3) {1986} PROGRAMMING 130762
26367 Update Queries data structures greedy sortings Statement C Codeforces Round 954 (Div. 3) {1986} PROGRAMMING 130762
4178 Wonderful Tree! brute force dfs and similar dp flows greedy trees Statement E EPIC Institute of Technology Round Summer 2024 (Div. 1 + Div. 2) {1987} PROGRAMMING 1750.0 EPIC Institute of Technology Round Summer 2024 (Div. 1 + Div. 2) Editorial
29323 Upload More RAM greedy math Statement A EPIC Institute of Technology Round Summer 2024 (Div. 1 + Div. 2) {1987} PROGRAMMING 250.0 EPIC Institute of Technology Round Summer 2024 (Div. 1 + Div. 2) Editorial
27365 Split the Multiset brute force dp greedy math Statement A Codeforces Round 958 (Div. 2) {1988} PROGRAMMING 500.0 Editorial of Codeforces Round 958 (Div. 2)
23656 Substring and Subsequence bitmasks brute force dp graphs greedy hashing strings trees Statement B Educational Codeforces Round 167 (Rated for Div. 2) {1989} PROGRAMMING Educational Codeforces Round 167 Editorial
7254 Smithing Skill brute force dp greedy math sortings two pointers Statement D Educational Codeforces Round 167 (Rated for Div. 2) {1989} PROGRAMMING Educational Codeforces Round 167 Editorial
27309 Submission Bait brute force games greedy sortings Statement A Codeforces Round 960 (Div. 2) {1990} PROGRAMMING 500.0 Video Tutorial
14920 Mad MAD Sum brute force greedy math Statement C Codeforces Round 960 (Div. 2) {1990} PROGRAMMING 1500.0 Video Tutorial
8033 Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory Statement D Pinely Round 4 (Div. 1 + Div. 2) {1991} PROGRAMMING 1500.0 Video Tutorial
2839 Triangle Formation brute force greedy math sortings Statement F Pinely Round 4 (Div. 1 + Div. 2) {1991} PROGRAMMING 2500.0 Video Tutorial
5247 Coloring Game constructive algorithms games graphs greedy interactive Statement E Pinely Round 4 (Div. 1 + Div. 2) {1991} PROGRAMMING 2000.0 Video Tutorial
172 Grid Game constructive algorithms games greedy interactive Statement I Pinely Round 4 (Div. 1 + Div. 2) {1991} PROGRAMMING 4000.0 Video Tutorial
18026 Absolute Zero constructive algorithms greedy math Statement C Pinely Round 4 (Div. 1 + Div. 2) {1991} PROGRAMMING 1000.0 Video Tutorial
24583 Maximize the Last Element greedy implementation Statement A Pinely Round 4 (Div. 1 + Div. 2) {1991} PROGRAMMING 250.0 Video Tutorial
50189 Only Pluses brute force constructive algorithms greedy math sortings Statement A Codeforces Round 957 (Div. 3) {1992} PROGRAMMING Shayan's Video Tutorial
24598 Test of Love dp greedy implementation Statement D Codeforces Round 957 (Div. 3) {1992} PROGRAMMING Shayan's Video Tutorial
7772 Valuable Cards dp greedy number theory two pointers Statement F Codeforces Round 957 (Div. 3) {1992} PROGRAMMING Shayan's Video Tutorial
38517 Angry Monk greedy math sortings Statement B Codeforces Round 957 (Div. 3) {1992} PROGRAMMING Shayan's Video Tutorial
33457 Question Marks greedy implementation Statement A Codeforces Round 963 (Div. 2) {1993} PROGRAMMING 500.0 Editorial of Codeforces Round 963 (Div. 2)
19889 Fun Game bitmasks constructive algorithms greedy math Statement B Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2) {1994} PROGRAMMING 1000.0 Video Tutorial
5708 Wooden Game bitmasks greedy math trees Statement E Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2) {1994} PROGRAMMING 2000.0 Video Tutorial
7785 Funny Game constructive algorithms dsu graphs greedy math number theory Statement D Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2) {1994} PROGRAMMING 2000.0 Video Tutorial
21331 Bouquet (Easy Version) binary search brute force greedy sortings sortings two pointers Statement B1 Codeforces Round 961 (Div. 2) {1995} PROGRAMMING 1000.0 Video Tutorial
10319 Bouquet (Hard Version) binary search data structures greedy math sortings two pointers Statement B2 Codeforces Round 961 (Div. 2) {1995} PROGRAMMING 500.0 Video Tutorial
3062 Cases bitmasks brute force combinatorics dfs and similar dp graphs greedy strings Statement D Codeforces Round 961 (Div. 2) {1995} PROGRAMMING 2250.0 Video Tutorial
10469 Squaring brute force constructive algorithms data structures greedy implementation math number theory Statement C Codeforces Round 961 (Div. 2) {1995} PROGRAMMING 1750.0 Video Tutorial
26584 Diagonals brute force greedy implementation math Statement A Codeforces Round 961 (Div. 2) {1995} PROGRAMMING 500.0 Video Tutorial
6518 Bomb binary search greedy math Statement F Codeforces Round 962 (Div. 3) {1996} PROGRAMMING Codeforces Round 962 (Div. 3) Editorial
16410 Maximize the Root binary search dfs and similar dp greedy trees Statement D Educational Codeforces Round 168 (Rated for Div. 2) {1997} PROGRAMMING Video Tutorial
2319 Eliminating Balls With Merging (Easy Version) binary search brute force data structures divide and conquer dp greedy math Statement E1 Codeforces Round 965 (Div. 2) {1998} PROGRAMMING 1750.0 Video Tutorial
33292 Slavic's Exam greedy implementation strings Statement D Codeforces Round 964 (Div. 4) {1999} PROGRAMMING Video Tutorial
3251 Call During the Journey binary search brute force graphs greedy shortest paths Statement G Codeforces Round 966 (Div. 3) {2000} PROGRAMMING 132689
16692 Photoshoot for Gorillas combinatorics data structures greedy math Statement E Codeforces Round 966 (Div. 3) {2000} PROGRAMMING 132689
7224 Color Rows and Columns dp greedy implementation math Statement F Codeforces Round 966 (Div. 3) {2000} PROGRAMMING 132689
29773 Right Left Wrong greedy implementation two pointers Statement D Codeforces Round 966 (Div. 3) {2000} PROGRAMMING 132689
13103 Guess The Tree binary search brute force greedy interactive trees Statement C Codeforces Round 967 (Div. 2) {2001} PROGRAMMING 1500.0 Video Tutorial
6634 Longest Max Min Subsequence brute force constructive algorithms greedy two pointers Statement D Codeforces Round 967 (Div. 2) {2001} PROGRAMMING 2000.0 Video Tutorial
26292 Generate Permutation constructive algorithms greedy implementation Statement B Codeforces Round 967 (Div. 2) {2001} PROGRAMMING 1000.0 Video Tutorial
33172 Make All Equal greedy implementation Statement A Codeforces Round 967 (Div. 2) {2001} PROGRAMMING 500.0 Video Tutorial
18020 Black Circles brute force constructive algorithms geometry greedy math Statement C EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} PROGRAMMING 1000.0 EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial
2989 Cosmic Rays data structures dfs and similar greedy implementation trees Statement E EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) {2002} PROGRAMMING 2000.0 EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial
659 Turtle and Inversions (Hard Version) brute force constructive algorithms data structures dp greedy two pointers Statement E2 Codeforces Round 968 (Div. 2) {2003} PROGRAMMING 1000.0 sol-zh.pdf
22132 Turtle and Good Pairs constructive algorithms greedy strings Statement C Codeforces Round 968 (Div. 2) {2003} PROGRAMMING 1000.0 sol-zh.pdf
847 Turtle and Three Sequences data structures dp graphs greedy meet-in-the-middle probabilities two pointers Statement F Codeforces Round 968 (Div. 2) {2003} PROGRAMMING 2500.0 sol-zh.pdf
4731 Turtle and a MEX Problem (Hard Version) dfs and similar dp graphs greedy implementation Statement D2 Codeforces Round 968 (Div. 2) {2003} PROGRAMMING 1250.0 sol-zh.pdf
27733 Turtle and Piggy Are Playing a Game 2 games greedy sortings Statement B Codeforces Round 968 (Div. 2) {2003} PROGRAMMING 750.0 sol-zh.pdf
13702 Turtle and a MEX Problem (Easy Version) greedy math Statement D1 Codeforces Round 968 (Div. 2) {2003} PROGRAMMING 1000.0 sol-zh.pdf
32955 Turtle and Good Strings greedy strings Statement A Codeforces Round 968 (Div. 2) {2003} PROGRAMMING 500.0 sol-zh.pdf
13570 Colored Portals binary search data structures graphs greedy shortest paths Statement D Educational Codeforces Round 169 (Rated for Div. 2) {2004} PROGRAMMING Educational Codeforces Round 169 Editorial
1439 Make a Palindrome brute force data structures dp greedy math Statement F Educational Codeforces Round 169 (Rated for Div. 2) {2004} PROGRAMMING Educational Codeforces Round 169 Editorial
27588 Splitting Items games greedy sortings Statement C Educational Codeforces Round 169 (Rated for Div. 2) {2004} PROGRAMMING Educational Codeforces Round 169 Editorial
22251 The Strict Teacher (Hard Version) binary search greedy math sortings Statement B2 Codeforces Round 972 (Div. 2) {2005} PROGRAMMING 500.0 Discussion stream (With Hints)
3381 Subtangle Game (Easy Version) dp games greedy implementation Statement E1 Codeforces Round 972 (Div. 2) {2005} PROGRAMMING 1500.0 Discussion stream (With Hints)
1093 Subtangle Game (Hard Version) dp games greedy implementation Statement E2 Codeforces Round 972 (Div. 2) {2005} PROGRAMMING 2000.0 Discussion stream (With Hints)
25251 The Strict Teacher (Easy Version) greedy math sortings Statement B1 Codeforces Round 972 (Div. 2) {2005} PROGRAMMING 500.0 Discussion stream (With Hints)
9821 Iris and Game on the Tree games graphs greedy trees Statement A Codeforces Round 969 (Div. 1) {2006} PROGRAMMING 750.0 Tutorial
6837 Sakurako's Task binary search brute force greedy math number theory Statement G Codeforces Round 970 (Div. 3) {2008} PROGRAMMING Codeforces Round 970 (Div. 3) Editorial
3685 Sakurako's Test binary search brute force greedy math number theory Statement H Codeforces Round 970 (Div. 3) {2008} PROGRAMMING Codeforces Round 970 (Div. 3) Editorial
42437 Sakurako's Exam brute force constructive algorithms greedy math Statement A Codeforces Round 970 (Div. 3) {2008} PROGRAMMING Codeforces Round 970 (Div. 3) Editorial
13968 Alternating String brute force data structures dp greedy strings Statement E Codeforces Round 970 (Div. 3) {2008} PROGRAMMING Codeforces Round 970 (Div. 3) Editorial
185 Rock-Paper-Scissors Bot *special greedy strings Statement E Kotlin Heroes: Episode 11 {2011} PROGRAMMING Kotlin Heroes 11 — Editorial
7658 Minimize the Difference binary search data structures greedy implementation math Statement D Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 2000.0 134298
4392 Prefix GCD brute force dp greedy math number theory Statement E Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 2500.0 134298
28716 Battle for Survive constructive algorithms greedy math Statement B Codeforces Round 973 (Div. 2) {2013} PROGRAMMING 750.0 134298
28193 Robin Hood in Town binary search divide and conquer greedy math Statement C Codeforces Round 974 (Div. 3) {2014} PROGRAMMING Discussion stream (With Hints)
6101 Robin Hood Archery data structures games greedy hashing Statement H Codeforces Round 974 (Div. 3) {2014} PROGRAMMING Discussion stream (With Hints)
16344 Robert Hood and Mrs Hood data structures greedy sortings Statement D Codeforces Round 974 (Div. 3) {2014} PROGRAMMING Discussion stream (With Hints)
247 Complex Segments (Easy Version) binary search data structures divide and conquer dsu greedy math sortings Statement E1 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 2250.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
211 Complex Segments (Hard Version) binary search data structures divide and conquer dsu greedy math sortings Statement E2 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 750.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
5335 Speedbreaker binary search dp greedy implementation math two pointers Statement B Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 750.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
10244 Tree Pruning brute force data structures dfs and similar greedy sortings trees Statement C Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 750.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
12876 Cards Partition brute force greedy implementation math Statement A Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 500.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
346 Speedbreaker Counting (Easy Version) combinatorics dp games greedy implementation math Statement F1 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 1500.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
2254 Max Plus Min Plus Size data structures dp dsu greedy implementation matrices Statement D Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 1500.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
303 Speedbreaker Counting (Medium Version) dp greedy math Statement F2 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 1500.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
341 Speedbreaker Counting (Hard Version) dp greedy math Statement F3 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 1500.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
26340 Find Minimum Operations bitmasks greedy math Statement A Codeforces Round 976 (Div. 2) and Divide By Zero 9.0 {2020} PROGRAMMING 500.0 Tutorial for Codeforces Round 976 (Div. 2) and Divide By Zero 9.0
1971 Digital Village (Easy Version) brute force data structures dp dsu graphs greedy implementation math shortest paths trees Statement E1 Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 1750.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
19226 Maximize Mex brute force greedy math number theory Statement B Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 750.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
4602 Adjust The Presentation (Hard Version) constructive algorithms data structures greedy implementation Statement C2 Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 1000.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
730 Digital Village (Extreme Version) data structures dp graphs greedy math Statement E3 Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 1000.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
979 Boss, Thirsty data structures dp greedy math Statement D Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 2500.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
21837 Meaning Mean data structures greedy math sortings Statement A Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round) {2021} PROGRAMMING 500.0 Codeforces Round #977 (Div. 2, based on COMPFEST 16 — Final Round) Editorial
17459 Bus to Pénjamo greedy implementation math Statement A Codeforces Round 978 (Div. 2) {2022} PROGRAMMING 750.0 Codeforces Round 978 (Div 2) Editorial
14960 Kar Salesman greedy math Statement B Codeforces Round 978 (Div. 2) {2022} PROGRAMMING 1000.0 Codeforces Round 978 (Div 2) Editorial
1404 C+K+S brute force constructive algorithms dfs and similar graphs greedy hashing math strings Statement C Codeforces Round 980 (Div. 1) {2023} PROGRAMMING 1500.0 135341
7328 Skipping brute force data structures dp graphs greedy shortest paths Statement B Codeforces Round 980 (Div. 1) {2023} PROGRAMMING 1000.0 135341
16969 Concatenation of Arrays constructive algorithms greedy math sortings Statement A Codeforces Round 980 (Div. 1) {2023} PROGRAMMING 500.0 135341
208 Tree of Life dp greedy trees Statement E Codeforces Round 980 (Div. 1) {2023} PROGRAMMING 2750.0 135341
19516 New Game binary search brute force greedy implementation two pointers Statement C Educational Codeforces Round 170 (Rated for Div. 2) {2025} PROGRAMMING Educational Codeforces Round 170 Editorial
29265 Two Screens binary search greedy strings two pointers Statement A Educational Codeforces Round 170 (Rated for Div. 2) {2025} PROGRAMMING Educational Codeforces Round 170 Editorial
2407 Card Game combinatorics dp fft greedy math Statement E Educational Codeforces Round 170 (Rated for Div. 2) {2025} PROGRAMMING Educational Codeforces Round 170 Editorial
1087 Choose Your Queries dfs and similar dp graphs greedy trees Statement F Educational Codeforces Round 170 (Rated for Div. 2) {2025} PROGRAMMING Educational Codeforces Round 170 Editorial
1952 The Endspeaker (Hard Version) binary search combinatorics data structures dp greedy implementation two pointers Statement D2 Codeforces Round 982 (Div. 2) {2027} PROGRAMMING 1000.0 Codeforces Round #982 (Div. 2) Editorial
7166 The Endspeaker (Easy Version) binary search dp graphs greedy implementation two pointers Statement D1 Codeforces Round 982 (Div. 2) {2027} PROGRAMMING 1250.0 Codeforces Round #982 (Div. 2) Editorial
10300 Alice's Adventures in Cutting Cake binary search dp greedy two pointers Statement C Codeforces Round 986 (Div. 2) {2028} PROGRAMMING 1500.0 Codeforces Round 986 (Div. 2) Editorial
3839 Alice's Adventures in Cards constructive algorithms data structures dfs and similar dp graphs greedy implementation shortest paths Statement D Codeforces Round 986 (Div. 2) {2028} PROGRAMMING 1750.0 Codeforces Round 986 (Div. 2) Editorial
1995 Alice's Adventures in the Rabbit Hole constructive algorithms dfs and similar dp greedy math probabilities trees Statement E Codeforces Round 986 (Div. 2) {2028} PROGRAMMING 2000.0 Codeforces Round 986 (Div. 2) Editorial
14324 Set binary search greedy math Statement A Refact.ai Match 1 (Codeforces Round 985) {2029} PROGRAMMING 750.0 Refact.ai Match 1 (Codeforces Round 985) Editorial
3611 Common Generator brute force constructive algorithms greedy math number theory Statement E Refact.ai Match 1 (Codeforces Round 985) {2029} PROGRAMMING 2500.0 Refact.ai Match 1 (Codeforces Round 985) Editorial
12007 Replacement games greedy strings Statement B Refact.ai Match 1 (Codeforces Round 985) {2029} PROGRAMMING 1250.0 Refact.ai Match 1 (Codeforces Round 985) Editorial
1217 Orangutan Approved Subarrays binary search brute force data structures greedy two pointers Statement F Codeforces Round 979 (Div. 2) {2030} PROGRAMMING 2500.0 Codeforces Round 979 Editorial
27850 A Gift From Orangutan brute force dfs and similar greedy sortings Statement A Codeforces Round 979 (Div. 2) {2030} PROGRAMMING 250.0 Codeforces Round 979 Editorial
10149 Penchick and Desert Rabbit data structures dfs and similar dp dsu greedy two pointers Statement D Codeforces Round 987 (Div. 2) {2031} PROGRAMMING 2000.0 Codeforces Round 987 (Div. 2) Editorial
2769 Penchick and Chloe's Trees data structures dfs and similar dp greedy sortings trees Statement E Codeforces Round 987 (Div. 2) {2031} PROGRAMMING 2500.0 Codeforces Round 987 (Div. 2) Editorial
21306 Penchick and Modern Monument dp greedy math two pointers Statement A Codeforces Round 987 (Div. 2) {2031} PROGRAMMING 500.0 Codeforces Round 987 (Div. 2) Editorial
21201 Penchick and Satay Sticks greedy sortings Statement B Codeforces Round 987 (Div. 2) {2031} PROGRAMMING 1000.0 Codeforces Round 987 (Div. 2) Editorial
21099 Medians constructive algorithms greedy hashing implementation math Statement B Codeforces Round 983 (Div. 2) {2032} PROGRAMMING 750.0 Codeforces Round 983 (Div. 2) Editorial
24966 Circuit greedy implementation math number theory Statement A Codeforces Round 983 (Div. 2) {2032} PROGRAMMING 500.0 Codeforces Round 983 (Div. 2) Editorial
14845 Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu fft greedy math Statement E Codeforces Round 981 (Div. 3) {2033} PROGRAMMING 135520
18628 Kousuke's Assignment dp dsu greedy math Statement D Codeforces Round 981 (Div. 3) {2033} PROGRAMMING 135520
2060 Permutations Harmony brute force combinatorics constructive algorithms greedy hashing implementation math Statement E Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 2000.0 Rayan 2024 Selection Round Editorial
6810 Darius' Wisdom constructive algorithms greedy implementation sortings Statement D Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 1500.0 Rayan 2024 Selection Round Editorial
16132 Rakhsh's Revival data structures greedy implementation two pointers Statement B Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 750.0 Rayan 2024 Selection Round Editorial
84 Simurgh's Watch (Easy Version) greedy implementation Statement G1 Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 3000.0 Rayan 2024 Selection Round Editorial
86 Simurgh's Watch (Hard Version) greedy implementation Statement G2 Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2) {2034} PROGRAMMING 3000.0 Rayan 2024 Selection Round Editorial
5926 Yet Another Real Number Problem binary search brute force data structures dp greedy implementation math two pointers Statement D Codeforces Global Round 27 {2035} PROGRAMMING 1500.0 Codeforces Global Round 27 Editorial
20996 Everyone Loves Tres constructive algorithms greedy math number theory Statement B Codeforces Global Round 27 {2035} PROGRAMMING 500.0 Codeforces Global Round 27 Editorial
30083 Startup greedy sortings Statement B Codeforces Round 984 (Div. 3) {2036} PROGRAMMING Codeforces Round 984 (Div. 3) Editorial
26124 Superultra's Favorite Permutation constructive algorithms greedy math number theory Statement C Codeforces Round 988 (Div. 3) {2037} PROGRAMMING Video Tutorial
15091 Sharky Surfing data structures greedy two pointers Statement D Codeforces Round 988 (Div. 3) {2037} PROGRAMMING Video Tutorial
7631 Kachina's Favorite Binary String greedy interactive two pointers Statement E Codeforces Round 988 (Div. 3) {2037} PROGRAMMING Video Tutorial
8387 Bridge Renovation brute force dp greedy math Statement L 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 1400
1983 Make It Equal binary search brute force greedy math Statement B 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2100
1829 Grid Walk dp greedy math number theory Statement K 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2100
160 Barrels data structures greedy math Statement E 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 2900
8914 Waiting for... greedy implementation Statement J 2024-2025 ICPC, NERC, Southern and Volga Russian Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) {2038} PROGRAMMING 800
17658 Shohag Loves Strings constructive algorithms greedy implementation strings Statement B CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 1000.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
7173 Shohag Loves GCD constructive algorithms greedy math number theory Statement D CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!) {2039} PROGRAMMING 2000.0 Editorial of CodeTON Round 9 (Div. 1 + Div. 2)
5972 Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers Statement D Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 2000.0 Codeforces Round #992 (Div.2) Editorial
2790 Control of Randomness combinatorics dfs and similar graphs greedy math probabilities trees Statement E Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 2250.0 Codeforces Round #992 (Div.2) Editorial
24588 Paint a Strip constructive algorithms greedy math Statement B Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 1000.0 Codeforces Round #992 (Div.2) Editorial
11068 Ordered Permutations constructive algorithms greedy math Statement C Codeforces Round 992 (Div. 2) {2040} PROGRAMMING 1500.0 Codeforces Round #992 (Div.2) Editorial
543 Vertex Pairs binary search brute force dfs and similar dp greedy trees Statement E Educational Codeforces Round 172 (Rated for Div. 2) {2042} PROGRAMMING 136886
21070 Greedy Monocarp greedy sortings Statement A Educational Codeforces Round 172 (Rated for Div. 2) {2042} PROGRAMMING 136886
8925 Competitive Fishing greedy sortings Statement C Educational Codeforces Round 172 (Rated for Div. 2) {2042} PROGRAMMING 136886
11529 Sums on Segments binary search brute force data structures dp greedy math Statement C Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING Educational Codeforces Round 173 Editorial
18615 Insane Problem binary search greedy implementation math Statement E Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial