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Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
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3525 Calendar Ambiguity math number theory Statement E Educational Codeforces Round 92 (Rated for Div. 2) {1389} PROGRAMMING 80809
27894 Distance and Axis math number theory Statement A Codeforces Round 665 (Div. 2) {1401} PROGRAMMING 500.0 Codeforces Round #665 (Div. 2) Editorial
13490 Division math number theory Statement A Codeforces Round 680 (Div. 1, based on Moscow Team Olympiad) {1444} PROGRAMMING 500.0 Codeforces Round #680 Editorial
20328 Row GCD math number theory Statement A Codeforces Round 691 (Div. 1) {1458} PROGRAMMING 500.0 Codeforces Round #691 Editorial (finished)
22835 Cat Cycle math number theory Statement B Educational Codeforces Round 104 (Rated for Div. 2) {1487} PROGRAMMING 87873
6197 The Number of Pairs math number theory Statement D Educational Codeforces Round 106 (Rated for Div. 2) {1499} PROGRAMMING Educational Codeforces Round 106 Editorial
24573 Perfectly Imperfect Array math number theory Statement A Codeforces Round 716 (Div. 2) {1514} PROGRAMMING 500.0 Codeforces round #716 editorial
26115 Potion-making math number theory Statement A Educational Codeforces Round 109 (Rated for Div. 2) {1525} PROGRAMMING 90793
14863 Strange Function math number theory Statement C Codeforces Round 729 (Div. 2) {1542} PROGRAMMING 1500.0
33606 Gregor and Cryptography math number theory Statement A Codeforces Round 736 (Div. 2) {1549} PROGRAMMING 500.0 Codeforces Round 736 Editorial
32173 Digits Sum math number theory Statement A Harbour.Space Scholarship Contest 2021-2022 (open for everyone, rated, Div. 1 + Div. 2) {1553} PROGRAMMING 250.0 Harbour.Space Scholarship Contest 2021-2022 (Div. 1 + Div. 2) Editorial
13909 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)
20756 All are Same math number theory Statement D1 Codeforces Round 748 (Div. 3) {1593} PROGRAMMING Editorial for Codeforces Round #748 (Div.3)
20924 A.M. Deviation math number theory Statement A Codeforces Round 754 (Div. 2) {1605} PROGRAMMING 500.0 tutorial 800
9617 X-Magic Pair math number theory Statement D Educational Codeforces Round 117 (Rated for Div. 2) {1612} PROGRAMMING 97164
614 Equal LCM Subsets math number theory Statement H CodeTON Round 1 (Div. 1 + Div. 2, Rated, Prizes!) {1656} PROGRAMMING 3750.0 Tutorial
333 Long Binary String math matrices meet-in-the-middle number theory Statement G Codeforces Round 803 (Div. 2) {1698} PROGRAMMING 3250.0 Codeforces Round #803 (Div. 2) Editorial
19914 Madoka and Strange Thoughts math number theory Statement A Codeforces Round 818 (Div. 2) {1717} PROGRAMMING 500.0 Codeforces Round #818 (Div. 2) Editorial. 800
23022 Burenka Plays with Fractions math number theory Statement A Codeforces Round 815 (Div. 2) {1720} PROGRAMMING 500.0 Codeforces Round #815 (Div. 2) Editorial
18803 Playing with GCD math number theory Statement B Codeforces Round 825 (Div. 2) {1736} PROGRAMMING 1000.0 Codeforces Round #825 (Div. 2) Editorial
21198 Factorise N+M math number theory Statement A Codeforces Round 831 (Div. 1 + Div. 2) {1740} PROGRAMMING 500.0 Tutorial 800
5826 Counting Arrays math number theory Statement D Educational Codeforces Round 138 (Rated for Div. 2) {1749} PROGRAMMING 108269
10328 Hossam and Trainees math number theory Statement C Codeforces Round 837 (Div. 2) {1771} PROGRAMMING 1750.0 Codeforces Round #837 (Div. 2) Editorial
20333 Lunatic Never Content math number theory Statement B Codeforces Round 870 (Div. 2) {1826} PROGRAMMING 1000.0 Codeforces Round #870 (Div. 2) Editorial 1100
27170 Permutation Swap math number theory Statement B Codeforces Round 873 (Div. 2) {1828} PROGRAMMING 1000.0 Codeforces Round #873 (Div. 1 & 2) Editorial 900
24573 Non-coprime Split math number theory Statement C Codeforces Round 895 (Div. 3) {1872} PROGRAMMING Codeforces Round 895 (Div. 3) Editorial
11850 Joyboard math number theory Statement C Codeforces Round 902 (Div. 2, based on COMPFEST 15 - Final Round) {1877} PROGRAMMING 1500.0 Codeforces Round #902 (Div. 1, Div. 2, based on COMPFEST 15 — Final Round) Editorial
4371 Vasilije Loves Number Theory math number theory Statement F Codeforces Round 900 (Div. 3) {1878} PROGRAMMING Codeforces round #900 (Div.3) Editorial
20427 Divide and Equalize math number theory Statement D Codeforces Round 903 (Div. 3) {1881} PROGRAMMING 121327
14358 Yarik and Musical Notes math number theory Statement D Codeforces Round 909 (Div. 3) {1899} PROGRAMMING Разбор Codeforces Round 909 (Div. 3)
20624 Make Almost Equal With Mod math number theory Statement B Pinely Round 3 (Div. 1 + Div. 2) {1909} PROGRAMMING 1000.0 Editorial of Pinely Round 3 (Div. 1 + Div. 2)
24065 Fireworks math number theory Statement B Codeforces Round 935 (Div. 3) {1945} PROGRAMMING 127377
23915 Dora's Set math number theory Statement A Codeforces Round 969 (Div. 2) {2007} PROGRAMMING 500.0
13676 Dora and C++ math number theory Statement C Codeforces Round 969 (Div. 2) {2007} PROGRAMMING 1000.0
13745 Sakurako's Box math number theory Statement F Codeforces Round 970 (Div. 3) {2008} PROGRAMMING
18961 Digits math number theory Statement B Educational Codeforces Round 173 (Rated for Div. 2) {2043} PROGRAMMING
1166 ICPC Square math number theory Statement B 2024-2025 ICPC Asia Jakarta Regional Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2045} PROGRAMMING 2000
23762 The Play Never Ends math number theory Statement A Codeforces Round 1007 (Div. 2) {2071} PROGRAMMING 500.0
14687 Treasure Hunt math number theory Statement A Codeforces Round 1012 (Div. 2) {2090} PROGRAMMING 500.0
18533 Simple Repetition math number theory Statement C Codeforces Round 1016 (Div. 3) {2093} PROGRAMMING