#include <bits/stdc++.h>
#define int long long
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
#define F first
#define S second
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
#define kill(x) cout << x << "\n", exit(0);
#define pii pair<int, int>
#define endl "\n"
using namespace std;
typedef long long ll;
// typedef __int128_t lll;
typedef long double ld;
const int MAXN = (int)3e3 + 7;
const int MOD = (int)1e9 + 7;
const int INF = (int)1e18 + 7;
int n, m, k, tmp, t, tmp2, tmp3, tmp4, u, v, w, flag, q, ans, flag2;
char arr[MAXN][MAXN];
int ps[MAXN][MAXN];
int32_t main() {
#ifdef LOCAL
freopen("inp.in", "r", stdin);
freopen("res.out", "w", stdout);
#else
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#endif
cin >> n >> m;
for (int i=1; i<=n; i++) for (int j=1; j<=m; j++) cin >> arr[i][j];
for (int i=1; i<=n; i++) {
tmp = 0;
for (int j=m; j>=1; j--) {
tmp += (arr[i][j] == 'O');
if (arr[i][j] == 'J') ps[i][j] += tmp;
ps[i][j] += ps[i-1][j];
if (arr[i][j] == 'I') ans += ps[i][j];
}
}
cout << ans << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
1116 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
0 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
1116 KB |
Output is correct |
10 |
Correct |
1 ms |
1116 KB |
Output is correct |
11 |
Correct |
1 ms |
1116 KB |
Output is correct |
12 |
Correct |
1 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
1112 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
1116 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
0 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
1116 KB |
Output is correct |
10 |
Correct |
1 ms |
1116 KB |
Output is correct |
11 |
Correct |
1 ms |
1116 KB |
Output is correct |
12 |
Correct |
1 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
1112 KB |
Output is correct |
14 |
Correct |
5 ms |
5464 KB |
Output is correct |
15 |
Correct |
1 ms |
3420 KB |
Output is correct |
16 |
Correct |
3 ms |
3240 KB |
Output is correct |
17 |
Correct |
0 ms |
344 KB |
Output is correct |
18 |
Correct |
5 ms |
6116 KB |
Output is correct |
19 |
Correct |
4 ms |
5980 KB |
Output is correct |
20 |
Correct |
5 ms |
5980 KB |
Output is correct |
21 |
Correct |
6 ms |
5980 KB |
Output is correct |
22 |
Correct |
5 ms |
5980 KB |
Output is correct |
23 |
Correct |
5 ms |
6000 KB |
Output is correct |
24 |
Correct |
6 ms |
5980 KB |
Output is correct |
25 |
Correct |
4 ms |
5980 KB |
Output is correct |
26 |
Correct |
5 ms |
5976 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
1116 KB |
Output is correct |
6 |
Correct |
1 ms |
1116 KB |
Output is correct |
7 |
Correct |
0 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
1116 KB |
Output is correct |
10 |
Correct |
1 ms |
1116 KB |
Output is correct |
11 |
Correct |
1 ms |
1116 KB |
Output is correct |
12 |
Correct |
1 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
1112 KB |
Output is correct |
14 |
Correct |
5 ms |
5464 KB |
Output is correct |
15 |
Correct |
1 ms |
3420 KB |
Output is correct |
16 |
Correct |
3 ms |
3240 KB |
Output is correct |
17 |
Correct |
0 ms |
344 KB |
Output is correct |
18 |
Correct |
5 ms |
6116 KB |
Output is correct |
19 |
Correct |
4 ms |
5980 KB |
Output is correct |
20 |
Correct |
5 ms |
5980 KB |
Output is correct |
21 |
Correct |
6 ms |
5980 KB |
Output is correct |
22 |
Correct |
5 ms |
5980 KB |
Output is correct |
23 |
Correct |
5 ms |
6000 KB |
Output is correct |
24 |
Correct |
6 ms |
5980 KB |
Output is correct |
25 |
Correct |
4 ms |
5980 KB |
Output is correct |
26 |
Correct |
5 ms |
5976 KB |
Output is correct |
27 |
Correct |
146 ms |
88180 KB |
Output is correct |
28 |
Correct |
7 ms |
16732 KB |
Output is correct |
29 |
Correct |
9 ms |
7932 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
122 ms |
72700 KB |
Output is correct |
32 |
Correct |
115 ms |
88404 KB |
Output is correct |
33 |
Correct |
123 ms |
88400 KB |
Output is correct |
34 |
Correct |
129 ms |
84276 KB |
Output is correct |
35 |
Correct |
116 ms |
88404 KB |
Output is correct |
36 |
Correct |
110 ms |
88404 KB |
Output is correct |
37 |
Correct |
152 ms |
88660 KB |
Output is correct |
38 |
Correct |
81 ms |
72272 KB |
Output is correct |
39 |
Correct |
84 ms |
72300 KB |
Output is correct |