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2932 Digits Sequence (Hard Edition) binary search divide and conquer implementation Statement B Testing Round 15 (Unrated) {1177} PROGRAMMING 1800
4532 Balanced Removals (Harder) binary search constructive algorithms divide and conquer greedy implementation sortings Statement C2 Codeforces Global Round 5 {1237} PROGRAMMING T 1900
4405 Guess The Maximums binary search divide and conquer implementation interactive math Statement D Codeforces Round 646 (Div. 2) {1363} PROGRAMMING 2000.0 78202 2100
10169 Divide and Summarize binary search brute force data structures divide and conquer implementation sortings Statement D Codeforces Round 689 (Div. 2, based on Zed Code Competition) {1461} PROGRAMMING 1500.0 Codeforces Round #689 (Div. 2). Editorial
7447 Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation sortings two pointers Statement D CodeCraft-22 and Codeforces Round 795 (Div. 2) {1691} PROGRAMMING 1750.0 Editorial for CodeCraft-22 and Codeforces Round #795 (Div. 2)
2053 ace5 and Task Order binary search divide and conquer implementation interactive probabilities sortings Statement E Codeforces Round 922 (Div. 2) {1918} PROGRAMMING 2500.0 Codeforces Round #922 (Div. 2) Editorial
5773 Invertible Bracket Sequences binary search combinatorics data structures divide and conquer implementation two pointers Statement D Educational Codeforces Round 166 (Rated for Div. 2) {1976} PROGRAMMING Educational Codeforces Round 166 Editorial
895 Eliminating Balls With Merging (Hard Version) binary search brute force data structures divide and conquer implementation Statement E2 Codeforces Round 965 (Div. 2) {1998} PROGRAMMING 1750.0 Video Tutorial
604 Baudelaire (hard version) binary search dfs and similar divide and conquer implementation interactive trees Statement G2 Codeforces Round 1020 (Div. 3) {2106} PROGRAMMING Codeforces Round 1020 (Div. 3) Editorial
2251 Removal of a Sequence (Hard Version) binary search constructive algorithms divide and conquer greedy implementation math number theory probabilities Statement D2 Educational Codeforces Round 184 (Rated for Div. 2) {2169} PROGRAMMING Educational Codeforces Round 184 Editorial