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Submission #147379

# Submission time Handle Problem Language Result Execution time Memory
147379 2019-08-29T12:00:21 Z JovanK26 Collecting Mushrooms (NOI18_collectmushrooms) C++14
38 / 100
 59 ms 5280 KB 
#include <bits/stdc++.h>

using namespace std;
int rez=0;
int main()
{
    int n,m,d,k;
    cin >> n >> m >> d >> k;
    char mat1[n][m];
    int mat2[n][m];
    int f[n][m];
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<m;j++)
        {
            cin >> mat1[i][j];
            if(mat1[i][j]=='S')mat2[i][j]=1;
            else
            {
                mat2[i][j]=0;
            }
        }
    }
    f[0][0]=mat2[0][0];
    for(int i=1;i<n;i++)
    {
        f[i][0]=f[i-1][0]+mat2[i][0];
    }
    for(int i=1;i<m;i++)
    {
        f[0][i]=f[0][i-1]+mat2[0][i];
    }
    for(int i=1;i<n;i++)
    {
        for(int j=1;j<m;j++)
        {
            f[i][j]=f[i-1][j]+f[i][j-1]-f[i-1][j-1]+mat2[i][j];
        }
    }
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<m;j++)
        {
            if(mat1[i][j]=='M')
            {
                int temp=0;
                int i1=max(0,i-d);
                int j1=max(0,j-d);
                int i2=min(n-1,i+d);
                int j2=min(m-1,j+d);
                temp+=f[i2][j2];
                if(i1-1>=0)temp-=f[i1-1][j2];
                if(j1-1>=0)temp-=f[i2][j1-1];
                if(i1-1>=0 && j2-1>=0)temp+=f[i1-1][j1-1];
                if(temp>=k)rez++;
            }
        }
    }
    cout << rez;
    return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 424 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 4 ms 444 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Incorrect 4 ms 380 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 2200 KB Output is correct
2 Incorrect 24 ms 2296 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 5280 KB Output is correct
2 Correct 57 ms 5264 KB Output is correct
3 Correct 59 ms 5224 KB Output is correct
4 Correct 58 ms 5240 KB Output is correct
5 Correct 58 ms 5172 KB Output is correct

Subtask #6
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 424 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 4 ms 444 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Incorrect 4 ms 380 KB Output isn't correct
14 Halted 0 ms 0 KB -