B. Spotlights time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Theater stage is a rectangular field of size n × m. The director gave you the stage's plan which actors will follow. For each c…
Spotlights time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Theater stage is a rectangular field of size n × m. The director gave you the stage's plan which actors will follow. For each cell…
Theater stage is a rectangular field of size n × m. The director gave you the stage's plan which actors will follow. For each cell it is stated in the plan if there would be an actor in this cell or not. You are to place a spotlight on the stage in s…
题目链接:http://codeforces.com/contest/738/problem/B 题意:问多少个0的方向,使得方向上至少有一个1. 四个方向统计一遍前缀和,向上向左正着记,向下向右倒着记.判断某0点是不是大于等于1. #include <bits/stdc++.h> using namespace std; ; int G[maxn][maxn]; ][maxn][maxn]; int n, m; int ret; int main() { // freopen("i…
Theater stage is a rectangular field of size n × m. The director gave you the stage's plan which actors will follow. For each cell it is stated in the plan if there would be an actor in this cell or not. You are to place a spotlight on the stage in s…
time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Theater stage is a rectangular field of size n × m. The director gave you the stage's plan which actors will follow. For each cell it is stated i…
