Submission #1021301

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1021301	2024-07-12T16:45:53 Z	lamagril	Collecting Mushrooms (NOI18_collectmushrooms)	C++14	18 / 100	137 ms	262144 KB

mushrooms

#include <bits/stdc++.h>

using namespace std;

int main(){
    cin.tie(NULL)->sync_with_stdio(false);
    int n,m,d,k; cin >> n >> m >> d >> k;
    char mp[n+5][m+5];
    int v[n+5][m+5],qs[n+d+5][m+d+5];
    for(int i=0 ; i<=n ; i++){
        for(int j=0 ; j<=m ; j++){
            v[i][j]=0;
            qs[i][j]=0;
        }
    }
    int ans=0;
    for(int i=1 ; i<=n ; i++){
        for(int j=1 ; j<=m ; j++){
            cin >> mp[i][j];
        }
    }
    for(int i=1 ; i<=n ; i++){
        for(int j=1 ; j<=m ; j++){
            if(mp[i][j]=='S'){
                v[max(1,i-d)][max(1,j-d)]++;
                v[max(1,i-d)][j+d+1]--;
                v[i+d+1][max(1,j-d)]--;
                v[i+d+1][j+d+1]++;
            }
        }
    }
    for(int i=1 ; i<=n ; i++){
        for(int j=1 ; j<=m ; j++){
            qs[i][j]=qs[i-1][j]+qs[i][j-1]-qs[i-1][j-1]+v[i][j];
        }
    }
    for(int i=1 ; i<=n ; i++){
        for(int j=1 ; j<=m ; j++){
            if(mp[i][j]=='M'){
                if(qs[i][j]>=k) ans++;
            }
        }
    }
    cout << ans << '\n';
}

Subtask #1
0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	1 ms	600 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	1 ms	600 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #3
18.0 / 18.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct