Submission #1180568

#	Time	Username	Problem	Language	Result	Execution time	Memory
1180568		mishasim	T-Covering (eJOI19_covering)	C++20	0 / 100	1 ms	580 KiB

covering

#include <iostream>

using namespace std;
#define endl '\n'

long long n,m,klk,r,c,res,all,b;
long long k[1000007];

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*m+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*m+c]+k[(r-1)*m+c]+k[(r+1)*m+c]+k[r*m+c-1]+k[r*m+c+1];
        res+=all-min(k[(r-1)*m+c],min(k[(r+1)*m+c],min(k[r*m+c-1],k[r*m+c+1])));
    }
    if(b==1)cout<<"No";
    else cout<<res;
    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 30