P2004 领地选择

点击查看代码

#include<bits/stdc++.h>
using namespace std;const int N=1e3+10;
int n,m,c;
int s[N][N];
int ax,ay;int main()
{ios::sync_with_stdio(0),cin.tie(0);cin>>n>>m>>c;int v;for(int i=1;i<=n;i++){for(int j=1;j<=m;j++){cin>>v;s[i][j]=s[i-1][j]+s[i][j-1]-s[i-1][j-1]+v;}}int mx=-2e9;for(int i=1;i<=n-c+1;i++){for(int j=1;j<=m-c+1;j++){int x2=i+c-1,y2=j+c-1;int sum=s[x2][y2]-s[i-1][y2]-s[x2][j-1]+s[i-1][j-1];if(sum>mx){ax=i;ay=j;mx=sum;}}}cout<<ax<<' '<<ay<<endl;return 0;}