Codeforces Round #158 (Div. 2)dom
A.模拟ui
B.map排序
C.map游戏
D.构造ip
E.线段树ci
Croc Champ 2013 – Round 2数学
A.模拟hash
B.状压+dfsit
C.数学io
D.几率与指望
E.点分治
Codeforces Round #146 (Div. 1)
A.暴力
B.dp
C.后缀自动机
D.几率与指望
E.莫比乌斯反演
Codeforces Round #290 (Div. 1)
拓扑排序:A.Fox And Names
记忆化搜索+map:B. Fox And Jumping
dancing link:3074.Sudoku
数位dp:3252.Round Numbers
模拟:1665.Biker’s Trip Odometer
数学:1930.Dead Fraction
模拟:1970.The Game
状压dp:1185.炮兵阵地
dp:2017: [Usaco2009 Nov]硬币游戏
dfs:[Usaco2005 Feb]Rigging the Bovine Election 竞选划区
暴力:1661: [Usaco2006 Nov]Big Square 巨大正方形
tarjan:1654: [Usaco2006 Jan]The Cow Prom 奶牛舞会
dp+矩阵乘法:A:Quad Tiling
线段树:B:Garden
模拟:D:One-move checkmate
二分+贪心:E:ATP
费用流:「bzoj3308」九月的咖啡店
Codeforces Round #161 (Div. 2)
模拟:A.Beautiful Matrix
模拟:B. Squares
dfs:C. Circle of Numbers
dfs:D.Cycle in Graph
模拟:E. Rhombus
2015全国互测 3
排列组合:Country
「百度之星」数长方形 暴力
「百度之星」最强密码 暴力
「百度之星」大搬家 dp
poj
floyd+倍增:3613.Cow Relays
分数规划:2728.Desert King
带度数限制的最小生成树:1639.Picnic Planning
二分+2-sat:2749.Building roads
贪心:2054.Color a Tree
带权并查集:1182.食物链
模拟退火:1379.Run Away
暴力+hash:2758.Checking the Text
dp+hash+记忆化搜索:poj3156.Interconnect
dp:1837.Balance
状压dp+bfs:3609.Reset Sequence
计算几何:1981.Circle and Points
dp+贪心:1694.An Old Stone Game
石子合并:poj1738.An old Stone Game
dp+排列组合:1737.Connected Graph
二进制拆分+bitset/背包dp:1742.Coins
模拟:3425.Customer support
计算几何:1673.EXOCENTER OF A TRIANGLE