| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1180534 | mishasim | T-Covering (eJOI19_covering) | C++20 | 39 ms | 12144 KiB |
#include <iostream>
using namespace std;
#define endl '\n'
long long n,m,klk,r,c,res,all,b;
long long k[10006][10006];
int main()
{
ios_base :: sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n>>m;
b = 0;
for(int i = 0 ; i<n ; i++)
{
for(int j = 0 ; j<m ; j++)cin>>k[i][j];
}
cin>>klk;
for(int i = 1 ; i <=klk ; i++)
{
cin>>r>>c;
if((r==0 && c==0) || (r==0 && c==m-1) || (r==n-1 && c==0) || (r==n-1 && c==m-1))b = 1;
all = k[r][c]+k[r-1][c]+k[r+1][c]+k[r][c-1]+k[r][c+1];
res+=all-min(k[r-1][c],min(k[r+1][c],min(k[r][c-1],k[r][c+1])));
}
if(b==1)cout<<"No";
else cout<<res;
return 0;
}
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