oj.uz

Submission #571200

# Submission time Handle Problem Language Result Execution time Memory
571200 2022-06-01T13:51:38 Z Cookie Collecting Mushrooms (NOI18_collectmushrooms) C++14
100 / 100
 13 ms 5696 KB 
#include <bits/stdc++.h>
using namespace std;
#define LIFESUCKS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define ll long long
#define ld long double
#define ar array
 
#define vt vector
 
 
#define pb push_back
 
 //ifstream fin("TAITRONG.INP");
//ofstream fout("TAITRONG.OUT");
#define fi first
#define se second
#define db double
#define ldb long double
#define vt vector
using namespace std;


int main()
{
   LIFESUCKS;
  int n, m, d, c; cin >> n >> m >> d >> c;
  char a[n + 1][m + 1];
  int pref[n + 1][m + 1];
  memset(pref, 0, sizeof(pref));
  for(int i = 1; i <= n; i++){
      for(int j = 1; j <= m; j++){
          cin >> a[i][j];
          pref[i][j] = pref[i - 1][j] + pref[i][j - 1] - pref[i - 1][j - 1] + (a[i][j] == 'S');
      }
  }
  int res = 0;
  for(int i = 1; i <= n; i++){
      for(int j = 1; j <= m; j++){
          if(a[i][j] == 'M'){
          int cri = max(i - d, 1), crj = max(j - d, 1), lsi = min(i + d, n), lsj = min(j + d, m);
          int cr = pref[lsi][lsj] - pref[lsi][crj - 1] - pref[cri - 1][lsj] + pref[cri - 1][crj - 1];
          res += (cr >= c);
          }
      }
  }
  cout << res;
    return 0;
}

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 212 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 212 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 212 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #3
18.0 / 18.0

# 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 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 4 ms 1236 KB Output is correct
2 Correct 4 ms 1512 KB Output is correct
3 Correct 6 ms 1788 KB Output is correct
4 Correct 4 ms 1436 KB Output is correct
5 Correct 5 ms 1512 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 5620 KB Output is correct
2 Correct 12 ms 5580 KB Output is correct
3 Correct 12 ms 5588 KB Output is correct
4 Correct 12 ms 5588 KB Output is correct
5 Correct 13 ms 5696 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 212 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 212 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 4 ms 1236 KB Output is correct
17 Correct 4 ms 1512 KB Output is correct
18 Correct 6 ms 1788 KB Output is correct
19 Correct 4 ms 1436 KB Output is correct
20 Correct 5 ms 1512 KB Output is correct
21 Correct 13 ms 5620 KB Output is correct
22 Correct 12 ms 5580 KB Output is correct
23 Correct 12 ms 5588 KB Output is correct
24 Correct 12 ms 5588 KB Output is correct
25 Correct 13 ms 5696 KB Output is correct
26 Correct 12 ms 3144 KB Output is correct
27 Correct 11 ms 3156 KB Output is correct
28 Correct 10 ms 3148 KB Output is correct
29 Correct 11 ms 3316 KB Output is correct
30 Correct 10 ms 3280 KB Output is correct