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Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
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6214 Fibonacci Paths data structures dp geometry graphs sortings Statement D Codeforces Round 1070 (Div. 2) {2176} PROGRAMMING 2000.0 Codeforces Round 1070 (Div.2) Editorial
645 deCH OR Dations data structures hashing Statement G Good Bye 2025 {2178} PROGRAMMING 3500.0
1380 Blackslex and Plants bitmasks data structures dp math Statement H Codeforces Round 1071 (Div. 3) {2179} PROGRAMMING Codeforces Round 1071 (Div. 3) Editorial
398 Short Garland data structures dp trees Statement G Educational Codeforces Round 186 (Rated for Div. 2) {2182} PROGRAMMING Educational Codeforces Round 186 Editorial
1218 Jumping Man combinatorics data structures dp trees Statement F Hello 2026 {2183} PROGRAMMING 2750.0
378 Doors and Keys data structures dp Statement E Codeforces Round 1077 (Div. 1) {2187} PROGRAMMING 2250.0 Codeforces Round 1077 (Div. 1, Div. 2) Editorial
4037 Cost of Tree data structures dfs and similar dp trees Statement D Codeforces Round 1081 (Div. 2) {2192} PROGRAMMING 1750.0 Codeforces Round 1081 (Div. 2) Editorial
233 Again Trees... (hard version) bitmasks data structures dfs and similar dp fft trees Statement F2 Codeforces Round 1078 (Div. 2) {2194} PROGRAMMING 1750.0 Codeforces Round #1078 Editorial
246 Fuzzy Concatenation (Hard version) binary search data structures dp greedy string suffix structures Statement E2 Codeforces Round 1079 (Div. 1) {2196} PROGRAMMING 1000.0 Tutorial
1090 Double Bracket Sequence data structures dp greedy sortings Statement D Codeforces Round 1079 (Div. 1) {2196} PROGRAMMING 2250.0 Tutorial
104 Sum of MEX *special combinatorics data structures dp math Statement H Kotlin Heroes: Episode 14 {2199} PROGRAMMING 151783
5650 Lost Civilization (Hard Version) data structures dp Statement A2 Codeforces Round 1082 (Div. 1) {2201} PROGRAMMING 500.0 Codeforces Round 1082 (Div. 1, Div. 2) Complete Editorial
5775 Simons and Beating Peaks data structures divide and conquer dp greedy implementation trees Statement D Codeforces Round 1083 (Div. 2) {2205} PROGRAMMING 1750.0 Tutorial
351 Christmas Tree Un-decoration data structures dp trees Statement D 2026 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2206} PROGRAMMING Tutorial (PDF)
331 Hanabi data structures dp flows graph matchings graphs greedy Statement F Codeforces Round 1085 (Div. 1 + Div. 2) {2207} PROGRAMMING 3250.0 Codeforces Round 1085 (Div. 1 + Div. 2) Editorial
3914 Zhily and Barknights binary search data structures dp math sortings two pointers Statement B Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026) {2223} PROGRAMMING 750.0 Codeforces Round 1097 (Div. 1, Div2, Based on Zhili Cup 2026) Tutorial
10108 It All Went Sideways binary search data structures dp greedy Statement E Codeforces Round 1096 (Div. 3) {2227} PROGRAMMING Codeforces Round 1096 (Div. 3) — Editorial
4607 It Just Keeps Going Sideways data structures dp greedy math Statement F Codeforces Round 1096 (Div. 3) {2227} PROGRAMMING Codeforces Round 1096 (Div. 3) — Editorial
2048 Deconstruction Tree combinatorics data structures dp graphs trees Statement E Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2) {2229} PROGRAMMING 2500.0 Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2) Editorial
367 Roadworks data structures dp Statement G Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2) {2229} PROGRAMMING 3250.0 Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2) Editorial
2128 Vlad, Misha and Two Arrays combinatorics data structures dfs and similar divide and conquer dp Statement E Codeforces Round 1102 (Div. 2) {2234} PROGRAMMING 2500.0 Tutorial
988 Paint the Array data structures dp greedy Statement F Order Capital Round 2 (Codeforces Round 1104, Div. 1 + Div. 2) {2237} PROGRAMMING 2500.0 Order Capital Round 2 (Codeforces Round 1104, Div. 1 + Div. 2) Editorial
467 Summer Vacation data structures dp probabilities Statement F Educational Codeforces Round 192 (Rated for Div. 2) {2242} PROGRAMMING 155047
2739 Yura and Deadlines data structures dp Statement G Codeforces Round 1109 (Div. 3) {2244} PROGRAMMING Codeforces Round 1109 (Div. 3) Editorial
8744 Masha and the Garland data structures dp strings Statement E Codeforces Round 1109 (Div. 3) {2244} PROGRAMMING Codeforces Round 1109 (Div. 3) Editorial
473 Paths on a Grid data structures dp hashing Statement F Codeforces Round 1111 (Div. 2) {2247} PROGRAMMING 3500.0
1066 Nightcrawler data structures dfs and similar dp greedy sortings trees Statement G Codeforces Round 1114 (Div. 3) {2254} PROGRAMMING Tutorial
549 Beaver's Jumping Track (Easy Version) data structures dp matrices Statement F1 Codeforces Round 1117 (Div. 2) {2257} PROGRAMMING 2750.0 Codeforces Round 1117 (Div. 2) Editorial
280 Beaver's Jumping Track (Hard Version) data structures dp matrices Statement F2 Codeforces Round 1117 (Div. 2) {2257} PROGRAMMING 1000.0 Codeforces Round 1117 (Div. 2) Editorial