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321 Plane of Tanks: Duel brute force dp math probabilities Statement D Codeforces Round 115 {175} PROGRAMMING Codeforces Round #115 — editorial A-E 2400
2525 Ghd brute force math probabilities Statement D Codeforces Round 213 (Div. 1) {364} PROGRAMMING Codeforces Round #213 Editorial 2600
37337 Dreamoon and WiFi bitmasks brute force combinatorics dp math probabilities Statement B Codeforces Round 272 (Div. 2) {476} PROGRAMMING 1300
343 Bear and Chase brute force dfs and similar graphs implementation math probabilities Statement D Codeforces Round 356 (Div. 1) {679} PROGRAMMING Codeforces Round #356 — Editorial 2900
2657 Gosha is hunting brute force data structures dp flows math probabilities sortings Statement E Codeforces Round 381 (Div. 1) {739} PROGRAMMING 48582 2900
1129 Barrels and boxes brute force combinatorics math number theory probabilities Statement F Divide by Zero 2017 and Codeforces Round 399 (Div. 1 + Div. 2, combined) {768} PROGRAMMING Editorial Divide by Zero and Codeforces Round #399 (Div. 1+2, combined) 2300
4452 Checkpoints brute force constructive algorithms greedy math probabilities Statement D Codeforces Round 688 (Div. 2) {1453} PROGRAMMING 2000.0 Codeforces Round #688 (Div. 2) Editorial
3003 Tree Array brute force combinatorics dp math probabilities trees Statement B Codeforces Round 728 (Div. 1) {1540} PROGRAMMING 1250.0 Tutorial
5636 Need for Pink Slips brute force dfs and similar implementation math probabilities Statement C Codeforces Round 730 (Div. 2) {1543} PROGRAMMING 1500.0 Codeforces Round #730 (Div. 2) Editorial
2810 In Search of Truth (Easy Version) brute force constructive algorithms interactive math probabilities Statement G1 Codeforces Round 878 (Div. 3) {1840} PROGRAMMING Codeforces Round #878 (Div.3) Editorial
4010 Expected Power bitmasks brute force dp math number theory probabilities Statement E Codeforces Round 976 (Div. 2) and Divide By Zero 9.0 {2020} PROGRAMMING 2000.0 Tutorial for Codeforces Round 976 (Div. 2) and Divide By Zero 9.0
21008 Perfecto brute force constructive algorithms greedy math probabilities Statement B Codeforces Round 1007 (Div. 2) {2071} PROGRAMMING 1000.0 Codeforces Round 1007 (Div. 2) Editorial
460 Isaac's Queries brute force constructive algorithms dfs and similar divide and conquer greedy interactive math probabilities Statement G Codeforces Round 1066 (Div. 1 + Div. 2) {2157} PROGRAMMING 3000.0 Codeforces Round 1066 (Div. 1 + Div. 2) Editorial
721 Jinx or Jackpot brute force dp math probabilities Statement J 2025-2026 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {2181} PROGRAMMING Tutorial