oj.uz

Submission #652831

# Submission time Handle Problem Language Result Execution time Memory
652831 2022-10-24T18:27:05 Z Shin Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 230 ms 17996 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair

using namespace std;
template <class X, class Y> bool minimize(X &a, Y b) {
    if (a > b) return a = b, true;
    return false;
}
template <class X, class Y> bool maximize(X &a, Y b) {
    if (a < b) return a = b, true;
    return false;
}

const int N = 3e3 + 7;
char a[N][N];
int cnt[N];

signed main() {
  cin.tie(0)->sync_with_stdio(0);
  int n, m; cin >> n >> m;
  for (int i = 1; i <= n; i ++) {
    for (int j = 1; j <= m; j ++) {
      cin >> a[i][j];
    }
  }
  long long res = 0;
  for (int i = n; i > 0; i --) {
    int cnt_o = 0;
    for (int j = m; j > 0; j --) {
      if (a[i][j] == 'J') {
        res += 1LL * cnt_o * cnt[j];
      }
      if (a[i][j] == 'O') {
        cnt_o ++;
      }
      if (a[i][j] == 'I') {
        cnt[j] ++;
      }
    }
  }
  cout << res;
  return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 552 KB Output is correct
12 Correct 0 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 552 KB Output is correct
12 Correct 0 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 7 ms 1696 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 4 ms 980 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 12 ms 1768 KB Output is correct
19 Correct 7 ms 1748 KB Output is correct
20 Correct 8 ms 1676 KB Output is correct
21 Correct 8 ms 2008 KB Output is correct
22 Correct 7 ms 2004 KB Output is correct
23 Correct 7 ms 1908 KB Output is correct
24 Correct 9 ms 2004 KB Output is correct
25 Correct 7 ms 2032 KB Output is correct
26 Correct 7 ms 2012 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 552 KB Output is correct
12 Correct 0 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 7 ms 1696 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 4 ms 980 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 12 ms 1768 KB Output is correct
19 Correct 7 ms 1748 KB Output is correct
20 Correct 8 ms 1676 KB Output is correct
21 Correct 8 ms 2008 KB Output is correct
22 Correct 7 ms 2004 KB Output is correct
23 Correct 7 ms 1908 KB Output is correct
24 Correct 9 ms 2004 KB Output is correct
25 Correct 7 ms 2032 KB Output is correct
26 Correct 7 ms 2012 KB Output is correct
27 Correct 219 ms 17380 KB Output is correct
28 Correct 4 ms 7124 KB Output is correct
29 Correct 17 ms 1724 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 192 ms 13832 KB Output is correct
32 Correct 191 ms 17888 KB Output is correct
33 Correct 230 ms 17888 KB Output is correct
34 Correct 220 ms 15868 KB Output is correct
35 Correct 197 ms 17856 KB Output is correct
36 Correct 145 ms 17828 KB Output is correct
37 Correct 226 ms 17996 KB Output is correct
38 Correct 167 ms 13720 KB Output is correct
39 Correct 106 ms 13684 KB Output is correct