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625 A Shade of Moonlight binary search geometry math sortings two pointers Statement D Codeforces Round 487 (Div. 2) {989} PROGRAMMING Codeforces Round #487 (Div. 2) Editorial 2500
14392 Place for a Selfie binary search geometry math sortings Statement C Codeforces Round 862 (Div. 2) {1805} PROGRAMMING 1250.0 Editorial of Codeforces Round #862 (Div. 2)
1480 Minimum Influence binary search data structures geometry greedy implementation math sortings two pointers Statement E Educational Codeforces Round 190 (Rated for Div. 2) {2230} PROGRAMMING Educational Codeforces Round 190 — Editorial