oj.uz

Submission #1023553

# Submission time Handle Problem Language Result Execution time Memory
1023553 2024-07-15T02:20:36 Z baotoan655 Bitaro the Brave (JOI19_ho_t1) C++17
50 / 100
 255 ms 274432 KB 
#include <bits/stdc++.h>
#define file(name)  if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
#define FOR(i, a, b) for(int i = (a); i <= (b); ++i)
#define REV(i, b, a) for(int i = (b); i >= (a); --i)
#define REP(i, n) for(int i = 0; i < (n); ++i)
#define ll long long
#define fi first 
#define se second
#define int long long
using namespace std;
const int N = 3005;
int n, m;
int a[N][N];
int hang[N][N][3], cot[N][N][3];
void solve(int tc) {
    cin >> n >> m;
    char ch;
    FOR(i, 1, n) FOR(j, 1, m) {
        cin >> ch;
        a[i][j] = ch == 'J' ? 0 : ch == 'O' ? 1 : 2;
    }
    FOR(i, 1, n) {
        REV(j, m, 1) {
            FOR(k, 0, 2) hang[i][j][k] = hang[i][j + 1][k];
            hang[i][j][a[i][j]]++;
        }
    }
    FOR(j, 1, m) {
        REV(i, n, 1) {
            FOR(k, 0, 2) cot[j][i][k] = cot[j][i + 1][k];
            cot[j][i][a[i][j]]++;
        }
    }
    int ans = 0;
    FOR(i, 1, n) FOR(j, 1, m) {
        if(a[i][j] == 0) {
            ans += hang[i][j + 1][1] * cot[j][i + 1][2];
        }
    }
    cout << ans << '\n';
}
int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    int tc = 1; 
    // cin >> tc;
    for(int i = 1; i <= tc; ++i) solve(tc);
    return (0);
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 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 2140 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 2140 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 2140 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 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 2140 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 2140 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 2140 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 11 ms 16604 KB Output is correct
15 Correct 2 ms 4188 KB Output is correct
16 Correct 7 ms 11612 KB Output is correct
17 Correct 1 ms 1884 KB Output is correct
18 Correct 13 ms 20060 KB Output is correct
19 Correct 16 ms 19500 KB Output is correct
20 Correct 11 ms 19804 KB Output is correct
21 Correct 14 ms 20092 KB Output is correct
22 Correct 11 ms 19544 KB Output is correct
23 Correct 12 ms 19784 KB Output is correct
24 Correct 13 ms 20060 KB Output is correct
25 Correct 11 ms 19528 KB Output is correct
26 Correct 14 ms 19800 KB Output is correct

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 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 2140 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 2140 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 2140 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 11 ms 16604 KB Output is correct
15 Correct 2 ms 4188 KB Output is correct
16 Correct 7 ms 11612 KB Output is correct
17 Correct 1 ms 1884 KB Output is correct
18 Correct 13 ms 20060 KB Output is correct
19 Correct 16 ms 19500 KB Output is correct
20 Correct 11 ms 19804 KB Output is correct
21 Correct 14 ms 20092 KB Output is correct
22 Correct 11 ms 19544 KB Output is correct
23 Correct 12 ms 19784 KB Output is correct
24 Correct 13 ms 20060 KB Output is correct
25 Correct 11 ms 19528 KB Output is correct
26 Correct 14 ms 19800 KB Output is correct
27 Runtime error 255 ms 274432 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -