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1306 Bamboo Partition brute force data structures implementation math number theory sortings two pointers Statement C Codeforces Round 424 (Div. 1, rated, based on VK Cup Finals) {830} PROGRAMMING Codeforces Round #424 Editorial 2500
6673 Photo of The Sky brute force implementation math sortings Statement A Codeforces Round 500 (Div. 1) [based on EJOI] {1012} PROGRAMMING 60920 1500
5523 Asterism (Easy Version) brute force combinatorics implementation math number theory sortings Statement E1 Codeforces Round 654 (Div. 2) {1371} PROGRAMMING 1500.0 Codeforces Round #654 (Div. 2) Editorial
6382 Difference Array brute force implementation math sortings Statement B Codeforces Round 808 (Div. 1) {1707} PROGRAMMING 750.0 104930
3272 Space Harbour brute force data structures implementation math sortings Statement B Codeforces Round 921 (Div. 1) {1924} PROGRAMMING 1000.0 Codeforces Round 921 (Div. 1, Div. 2) Editorial