제출 #1180538

#제출 시각아이디문제언어결과실행 시간메모리
1180538mishasimT-Covering (eJOI19_covering)C++20
0 / 100
38 ms12360 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;
        else {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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