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19311 Deadline binary search brute force math ternary search Statement A Educational Codeforces Round 80 (Rated for Div. 2) {1288} PROGRAMMING Educational Codeforces Round 80 Editorial 1100
15449 Power Sequence binary search brute force math number theory ternary search Statement B Codeforces Round 666 (Div. 2) {1397} PROGRAMMING 1000.0 Codeforces Round #666 — Editorial
2025 Red-Black Pepper binary search brute force greedy math number theory sortings ternary search Statement E Educational Codeforces Round 135 (Rated for Div. 2) {1728} PROGRAMMING 106805
2973 Vika and Bonuses binary search brute force math ternary search Statement D Codeforces Round 885 (Div. 2) {1848} PROGRAMMING 2000.0 Codeforces Round #885 (Div.2) Editorial
5153 Lonely Mountain Dungeons binary search brute force data structures greedy math ternary search Statement D Codeforces Round 924 (Div. 2) {1928} PROGRAMMING 1750.0 Codeforces Round 924 Editorial