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2335 Optimal Insertion data structures divide and conquer greedy sortings Statement C Codeforces Round 751 (Div. 1) {1601} PROGRAMMING 2000.0 95865 2300
4555 01 Tree data structures divide and conquer greedy implementation sortings trees Statement D Hello 2024 {1919} PROGRAMMING 1500.0 2100
237 Complex Segments (Easy Version) binary search data structures divide and conquer dsu greedy math sortings Statement E1 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 2250.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)
203 Complex Segments (Hard Version) binary search data structures divide and conquer dsu greedy math sortings Statement E2 Codeforces Round 975 (Div. 1) {2018} PROGRAMMING 750.0 Editorial of Codeforces Round 975 (Div. 1, Div. 2)