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Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
439 Multithreading (Easy Version) combinatorics fft math Statement H1 Codeforces Global Round 12 {1450} PROGRAMMING 2750.0 Codeforces Global Round 12 Editorial
400 Tiles combinatorics dp fft math Statement G Educational Codeforces Round 102 (Rated for Div. 2) {1473} PROGRAMMING Educational Codeforces Round 102 Editorial
289 AmShZ Farm combinatorics fft math Statement F Codeforces Round 722 (Div. 1) {1528} PROGRAMMING 3000.0 Codeforces Round #722 Editorial
1254 Abnormal Permutation Pairs (easy version) combinatorics dp fft math Statement E1 Codeforces Round 729 (Div. 2) {1542} PROGRAMMING 2000.0
1841 The Three Little Pigs combinatorics dp fft math Statement C Codeforces Round 736 (Div. 1) {1548} PROGRAMMING 1750.0 Codeforces Round 736 Editorial
205 Stairs combinatorics divide and conquer fft math Statement I Harbour.Space Scholarship Contest 2021-2022 (open for everyone, rated, Div. 1 + Div. 2) {1553} PROGRAMMING 5250.0 Harbour.Space Scholarship Contest 2021-2022 (Div. 1 + Div. 2) Editorial
1400 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)
79 Three Minimums combinatorics fft math Statement H Codeforces Round 778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) {1654} PROGRAMMING 4000.0 Editorial of Codeforces Round #778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round) 3500
670 Centroid Probabilities combinatorics dp fft math Statement E Codeforces Round 783 (Div. 1) {1667} PROGRAMMING 2750.0 Codeforces Round #783 Editorial 3000
186 Game of AI (easy version) combinatorics fft math Statement H1 CodeTON Round 2 (Div. 1 + Div. 2, Rated, Prizes!) {1704} PROGRAMMING 2250.0 CodeTON Round 2 Editorial
93 Game of AI (hard version) combinatorics fft math Statement H2 CodeTON Round 2 (Div. 1 + Div. 2, Rated, Prizes!) {1704} PROGRAMMING 2750.0 CodeTON Round 2 Editorial
1434 Almost Perfect combinatorics fft math Statement E Codeforces Round 819 (Div. 1 + Div. 2) and Grimoire of Code Annual Contest 2022 {1726} PROGRAMMING 2250.0 Codeforces Round #819 (Div. 1 + Div. 2) and Grimoire of Code Annual Contest 2022 Editorial
763 Timber combinatorics dp fft math Statement F Educational Codeforces Round 147 (Rated for Div. 2) {1821} PROGRAMMING 115296
119 Short Permutation Problem combinatorics dp fft math Statement I Pinely Round 3 (Div. 1 + Div. 2) {1909} PROGRAMMING 6000.0 Editorial of Pinely Round 3 (Div. 1 + Div. 2)
1085 Blueprint for Seating combinatorics divide and conquer fft math Statement B 2023-2024 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1912} PROGRAMMING Tutorials (PDF) 2000
216 Again Counting Arrays (Easy Version) combinatorics dp fft math Statement E1 Codeforces Round 942 (Div. 1) {1967} PROGRAMMING 1750.0 Tutorial 3100
208 Heartbeat combinatorics dp fft math Statement F Codeforces Round 958 (Div. 2) {1988} PROGRAMMING 3500.0 Editorial of Codeforces Round 958 (Div. 2)
1727 Card Game combinatorics dp fft greedy math Statement E Educational Codeforces Round 170 (Rated for Div. 2) {2025} PROGRAMMING