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Submission #742681

# Submission time Handle Problem Language Result Execution time Memory
742681 2023-05-16T17:08:35 Z riodsa Collecting Mushrooms (NOI18_collectmushrooms) C++17
9 / 100
 25 ms 9028 KB 
#include<bits/stdc++.h>
using namespace std;

#define ll long long
#define pii pair<ll,ll>
ll r,c,d,w;
const int N = 5e2+1;
char b[N][N];
ll qs[N][N];
vector<pii> mush;

int main()
{
    cin >> r >> c >> d >> w;
    for(int i=1;i<=r;++i)
    {
        for(int j=1;j<=c;++j)
        {
            cin >> b[i][j];
            if(b[i][j] == 'S') qs[i][j] = 1;
            if(b[i][j] == 'M') mush.push_back({i,j});
        }
    }
    for(int i=1;i<=r;++i)
    {
        for(int j=1;j<=c;++j)
        {
            qs[i][j] += qs[i-1][j]+qs[i][j-1]-qs[i-1][j-1];
        }
    }
    ll cnt = 0;
    for(pii xy : mush)
    {
        ll x,y;
        tie(x,y) = xy;
        ll mx = min(r,x+d),mnx = max((ll)1,x-d);
        ll my = min(c,y+d),mny = max((ll)1,y-d);
        ll spring = qs[mx][my]-qs[mnx][my-1]-qs[mnx-1][my]+qs[mnx-1][mny-1];
        if(spring >= w) ++cnt;
    }
    cout << cnt;
    return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 596 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 0 ms 596 KB Output is correct
7 Incorrect 0 ms 340 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 468 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 2204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Runtime error 25 ms 9028 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 724 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 0 ms 596 KB Output is correct
7 Incorrect 0 ms 340 KB Output isn't correct
8 Halted 0 ms 0 KB -