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3284 New Year's Puzzle brute force dp graph matchings greedy sortings Statement F Codeforces Round 693 (Div. 3) {1472} PROGRAMMING Codeforces Round #693 (Div. 3) Editorial
394 Goblins And Gnomes brute force dp graph matchings Statement F Educational Codeforces Round 109 (Rated for Div. 2) {1525} PROGRAMMING 90793
1514 The Most Reckless Defense bitmasks brute force constructive algorithms dp flows graph matchings Statement H Codeforces Round 938 (Div. 3) {1955} PROGRAMMING 128243