A. Joysticks 题目连接: http://www.codeforces.com/contest/651/problem/A Description Friends are going to play conso…
Codeforces Round #345 (Div. 1) A - Watchmen 容斥
C. Watchmen 题目连接: http://www.codeforces.com/contest/651/problem/C Description Watchmen are in a danger and Doc…
Codeforces Round #345 (Div. 2) B. Beautiful Paintings 暴力
B. Beautiful Paintings 题目连接: http://www.codeforces.com/contest/651/problem/B Description There are n pictures …
Codeforces Round #345 (Div. 2) D. Image Preview 暴力 二分
D. Image Preview 题目连接: http://www.codeforces.com/contest/651/problem/D Description Vasya’s telephone con…
Codeforces Round #345 (Div. 2) E. Table Compression 并查集
E. Table Compression 题目连接: http://www.codeforces.com/contest/651/problem/E Description Little Petya is now fon…
Codeforces Round #345 (Div. 1) E. Clockwork Bomb 并查集
E. Clockwork Bomb 题目连接: http://www.codeforces.com/contest/650/problem/E Description My name is James diGriz, I…
Codeforces Round #345 (Div. 1) D. Zip-line 上升子序列 离线 离散化 线段树
D. Zip-line 题目连接: http://www.codeforces.com/contest/650/problem/D Description Vasya has decided to build a zip…
Codeforces Beta Round #1 C. Ancient Berland Circus 计算几何
C. Ancient Berland Circus 题目连接: http://www.codeforces.com/contest/1/problem/C Description Nowadays all circuse…
Codeforces Beta Round #2 C. Commentator problem 模拟退火
C. Commentator problem 题目连接: http://www.codeforces.com/contest/2/problem/C Description The Olympic Games in Be…
Codeforces Beta Round #2 A. Winner 水题
A. Winner 题目连接: http://www.codeforces.com/contest/2/problem/A Description The winner of the card game popular …
Codeforces Beta Round #3 A. Shortest path of the king 水题
A. Shortest path of the king 题目连接: http://www.codeforces.com/contest/3/problem/A Description The king is left …
Codeforces Beta Round #3 B. Lorry 暴力 二分
B. Lorry 题目连接: http://www.codeforces.com/contest/3/problem/B Description A group of tourists is going to kayak…