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2286 Characteristics of Rectangles binary search bitmasks brute force implementation sortings Statement D Codeforces Round 194 (Div. 1) {333} PROGRAMMING Codeforces Round 194 — Editoral 2100
2059 Walk the Runway bitmasks brute force data structures dp graphs implementation sortings Statement E Codeforces Round 870 (Div. 2) {1826} PROGRAMMING 2500.0 Codeforces Round #870 (Div. 2) Editorial 2400
3748 XOR Transformations (Easy Version) bitmasks brute force implementation sortings Statement F1 Codeforces Round 1123 (Div. 2) {2267} PROGRAMMING 1000.0 157126