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2330 Permutation recovery constructive algorithms data structures dfs and similar graphs greedy math sortings Statement C Codeforces Round 559 (Div. 1) {1158} PROGRAMMING 66993 2300
4749 Present binary search bitmasks constructive algorithms data structures math sortings Statement B Codeforces Round 626 (Div. 1, based on Moscow Open Olympiad in Informatics) {1322} PROGRAMMING 1000.0 Codeforces Round #626 Editorial
11124 Pinkie Pie Eats Patty-cakes binary search constructive algorithms data structures greedy math sortings Statement C Codeforces Round 662 (Div. 2) {1393} PROGRAMMING 1500.0 Codeforces Round #662 Editorial
10420 MEX and Increments constructive algorithms data structures dp greedy math sortings Statement E Codeforces Round 762 (Div. 3) {1619} PROGRAMMING Tutorial
13532 Heavy Intervals constructive algorithms data structures dsu greedy math sortings Statement C Pinely Round 3 (Div. 1 + Div. 2) {1909} PROGRAMMING 1500.0 Editorial of Pinely Round 3 (Div. 1 + Div. 2)
13428 Permutation of Rows and Columns constructive algorithms data structures hashing math matrices sortings Statement E Codeforces Round 950 (Div. 3) {1980} PROGRAMMING 130135
6434 Falling Concrete constructive algorithms data structures math sortings Statement D Codeforces Round 1122 (Div. 3) {2266} PROGRAMMING