oj.uz

Submission #784019

# Submission time Handle Problem Language Result Execution time Memory
784019 2023-07-15T14:37:50 Z Petrix Collecting Mushrooms (NOI18_collectmushrooms) C++17
100 / 100
 35 ms 16724 KB 
#include <iostream>
#include <vector>
using namespace std;

vector <pair<int,int>> poz;

int main()
{
    int n,m,k,nrmin,i,j,cnt=0;
    char cha;
    cin>>n>>m>>k>>nrmin;
    int aux[n+2][m+2],sp[n+2][m+2];
    for(i=0;i<=n+1;i++){for(j=0;j<=m+1;j++){aux[i][j]=sp[i][j]=0;}}
    for(i=1;i<=n;i++){
        for(j=1;j<=m;j++){
            cin>>cha;
            if(cha=='M'){
                poz.push_back({i,j});
            }else if(cha=='S'){
                aux[max(i-k,1)][max(j-k,1)]++;
                aux[max(i-k,1)][min(m+1,j+k+1)]--;
                aux[min(n+1,i+k+1)][max(j-k,1)]--;
                aux[min(n+1,i+k+1)][min(m+1,j+k+1)]++;
            }
        }
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=m;j++){
            sp[i][j]=sp[i-1][j]+sp[i][j-1]-sp[i-1][j-1]+aux[i][j];
        }
    }
    for(i=0;i<poz.size();i++){
        pair <int,int> cord;
        cord=poz[i];
        if(sp[cord.first][cord.second]>=nrmin)
            cnt++;
    }
    cout<<cnt;
    return 0;
}

Compilation message

mushrooms.cpp: In function 'int main()':
mushrooms.cpp:32:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for(i=0;i<poz.size();i++){
      |             ~^~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 2004 KB Output is correct
2 Correct 8 ms 2004 KB Output is correct
3 Correct 10 ms 2516 KB Output is correct
4 Correct 8 ms 2004 KB Output is correct
5 Correct 9 ms 2232 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 14536 KB Output is correct
2 Correct 26 ms 16724 KB Output is correct
3 Correct 35 ms 16684 KB Output is correct
4 Correct 28 ms 14664 KB Output is correct
5 Correct 29 ms 16700 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 8 ms 2004 KB Output is correct
17 Correct 8 ms 2004 KB Output is correct
18 Correct 10 ms 2516 KB Output is correct
19 Correct 8 ms 2004 KB Output is correct
20 Correct 9 ms 2232 KB Output is correct
21 Correct 27 ms 14536 KB Output is correct
22 Correct 26 ms 16724 KB Output is correct
23 Correct 35 ms 16684 KB Output is correct
24 Correct 28 ms 14664 KB Output is correct
25 Correct 29 ms 16700 KB Output is correct
26 Correct 22 ms 5908 KB Output is correct
27 Correct 23 ms 6716 KB Output is correct
28 Correct 22 ms 5836 KB Output is correct
29 Correct 22 ms 5932 KB Output is correct
30 Correct 22 ms 7000 KB Output is correct