oj.uz

답안 #899308

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
899308 2024-01-05T17:28:38 Z aykhn Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 246 ms 159388 KB 
#include <bits/stdc++.h>
 
// author: aykhn
 
using namespace std;
typedef long long ll;
 
#define all(v) v.begin(), v.end()
#define pii pair<int, int>
#define mpr make_pair
#define eb emplace_back
#define pb push_back
#define ts to_string
#define fi first
#define se second
#define ins insert
#define int ll
#define inf 0x3F3F3F3F
#define infll 0x3F3F3F3F3F3F3F3FLL
#define bpc __builtin_popcount
 
const int MXN = 3e3 + 5;

char mat[MXN][MXN];
int pr[MXN][MXN];
int pc[MXN][MXN];
 
signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);
    int n, m;
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
        {
            cin >> mat[i][j];
            if (mat[i][j] == 'O') pr[i][j] = 1;
            else if (mat[i][j] == 'I') pc[i][j] = 1;
            pr[i][j] += pr[i][j - 1];
            pc[i][j] += pc[i - 1][j];
        }
    }
    int res = 0;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
        {
            if (mat[i][j] != 'J') continue;
            res += (pr[i][m] - pr[i][j]) * (pc[n][j] - pc[i][j]);
        }
    }
    cout << res << '\n';
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 3420 KB Output is correct
6 Correct 1 ms 7260 KB Output is correct
7 Correct 1 ms 5212 KB Output is correct
8 Correct 1 ms 3420 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 5092 KB Output is correct
11 Correct 1 ms 3420 KB Output is correct
12 Correct 1 ms 7000 KB Output is correct
13 Correct 1 ms 5212 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 3420 KB Output is correct
6 Correct 1 ms 7260 KB Output is correct
7 Correct 1 ms 5212 KB Output is correct
8 Correct 1 ms 3420 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 5092 KB Output is correct
11 Correct 1 ms 3420 KB Output is correct
12 Correct 1 ms 7000 KB Output is correct
13 Correct 1 ms 5212 KB Output is correct
14 Correct 8 ms 13148 KB Output is correct
15 Correct 2 ms 11356 KB Output is correct
16 Correct 4 ms 10076 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 10 ms 20136 KB Output is correct
19 Correct 7 ms 21344 KB Output is correct
20 Correct 7 ms 16952 KB Output is correct
21 Correct 9 ms 19800 KB Output is correct
22 Correct 7 ms 21080 KB Output is correct
23 Correct 7 ms 16988 KB Output is correct
24 Correct 10 ms 15452 KB Output is correct
25 Correct 7 ms 22876 KB Output is correct
26 Correct 7 ms 16988 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 3420 KB Output is correct
6 Correct 1 ms 7260 KB Output is correct
7 Correct 1 ms 5212 KB Output is correct
8 Correct 1 ms 3420 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 5092 KB Output is correct
11 Correct 1 ms 3420 KB Output is correct
12 Correct 1 ms 7000 KB Output is correct
13 Correct 1 ms 5212 KB Output is correct
14 Correct 8 ms 13148 KB Output is correct
15 Correct 2 ms 11356 KB Output is correct
16 Correct 4 ms 10076 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 10 ms 20136 KB Output is correct
19 Correct 7 ms 21344 KB Output is correct
20 Correct 7 ms 16952 KB Output is correct
21 Correct 9 ms 19800 KB Output is correct
22 Correct 7 ms 21080 KB Output is correct
23 Correct 7 ms 16988 KB Output is correct
24 Correct 10 ms 15452 KB Output is correct
25 Correct 7 ms 22876 KB Output is correct
26 Correct 7 ms 16988 KB Output is correct
27 Correct 240 ms 158812 KB Output is correct
28 Correct 11 ms 52056 KB Output is correct
29 Correct 11 ms 18520 KB Output is correct
30 Correct 1 ms 2908 KB Output is correct
31 Correct 179 ms 137168 KB Output is correct
32 Correct 165 ms 159312 KB Output is correct
33 Correct 133 ms 158900 KB Output is correct
34 Correct 205 ms 156724 KB Output is correct
35 Correct 167 ms 159388 KB Output is correct
36 Correct 137 ms 158800 KB Output is correct
37 Correct 246 ms 159292 KB Output is correct
38 Correct 111 ms 137044 KB Output is correct
39 Correct 103 ms 134996 KB Output is correct