- Codeforces Round #514 (Div. 2) B. Forgery(思维+暴力)
- ZSTU 4245 KI的斐波那契(dfs)
- Codeforces Round #513 B. Maximum Sum of Digits(思维)
- HDU 3339 In Action(dijkstra+01背包)
- AIM Tech Round 5 B. Unnatural Conditions(思维)
- Codeforces Round #519 A. Elections(水题)(1043A)
- Codeforces Round #519 C. Smallest Word(思维)(1043C)
- Codeforces Round #521 (Div. 3) D. Cutting Out(二分)
- POJ 3259 Wormholes(spfa判负环)
- Educational Codeforces Round 55 (Rated for Div. 2) A. Vasya and Book(思维)
- Codeforces Round #521 (Div. 3) C. Good Array(思维)
- Codeforces Round #525 (Div. 2) B. Ehab and subtraction(思维)
- 二分图详解
- Educational Codeforces Round 54 (Rated for Div. 2) C. Meme Problem(数学)
- HDU 2255 奔小康赚大钱(二分图最佳匹配--KM算法)
- 第十五届浙江大学宁波理工学院程序设计大赛 F. Pylon Link(二分+图连通)
- Educational Codeforces Round 54 (Rated for Div. 2) B. Divisor Subtraction(思维)
- HDU 3829 Cat VS Dog(二分图最大独立集)
- Educational Codeforces Round 54 (Rated for Div. 2) A. Minimizing the String(思维)
- POJ 2112 Optimal Milking(Floyd+二分+二分图多重匹配)
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