oj.uz

Submission #950909

# Submission time Handle Problem Language Result Execution time Memory
950909 2024-03-21T01:54:59 Z star Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 246 ms 207664 KB 
#include <bits/stdc++.h>
using namespace std;
#define N 3005
#define LL long long
#define pii pair<LL,LL>

LL h, w, ans;
char c;
LL o[N][N], i[N][N];
vector<pii> j;
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    cin >> h >> w;
    for (int x=1; x<=h; x++)
        for (int y=1; y<=w; y++)
        {
            cin >> c;
            if (c=='J') j.push_back({x,y});
            o[x][y]=o[x][y-1]+(c=='O');
            i[x][y]=i[x-1][y]+(c=='I');
        }
    ans=0;
    for (auto now:j)
    {
        int a=now.first, b=now.second;
        ans+=(o[a][w]-o[a][b])*(i[h][b]-i[a][b]);
    }
    cout << ans;
    return 0;
}

Subtask #1
20.0 / 20.0

# 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 344 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 7004 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 2 ms 7004 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 1 ms 4956 KB Output is correct
11 Correct 1 ms 7004 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 4956 KB Output is correct

Subtask #2
30.0 / 30.0

# 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 344 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 7004 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 2 ms 7004 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 1 ms 4956 KB Output is correct
11 Correct 1 ms 7004 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 4956 KB Output is correct
14 Correct 7 ms 18904 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 4 ms 10964 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 9 ms 19412 KB Output is correct
19 Correct 7 ms 18396 KB Output is correct
20 Correct 8 ms 19412 KB Output is correct
21 Correct 9 ms 19668 KB Output is correct
22 Correct 8 ms 19668 KB Output is correct
23 Correct 8 ms 19668 KB Output is correct
24 Correct 9 ms 19920 KB Output is correct
25 Correct 7 ms 18648 KB Output is correct
26 Correct 7 ms 19664 KB Output is correct

Subtask #3
50.0 / 50.0

# 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 344 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 7004 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 2 ms 7004 KB Output is correct
9 Correct 2 ms 4952 KB Output is correct
10 Correct 1 ms 4956 KB Output is correct
11 Correct 1 ms 7004 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 4956 KB Output is correct
14 Correct 7 ms 18904 KB Output is correct
15 Correct 3 ms 12380 KB Output is correct
16 Correct 4 ms 10964 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 9 ms 19412 KB Output is correct
19 Correct 7 ms 18396 KB Output is correct
20 Correct 8 ms 19412 KB Output is correct
21 Correct 9 ms 19668 KB Output is correct
22 Correct 8 ms 19668 KB Output is correct
23 Correct 8 ms 19668 KB Output is correct
24 Correct 9 ms 19920 KB Output is correct
25 Correct 7 ms 18648 KB Output is correct
26 Correct 7 ms 19664 KB Output is correct
27 Correct 246 ms 195176 KB Output is correct
28 Correct 11 ms 65760 KB Output is correct
29 Correct 13 ms 18384 KB Output is correct
30 Correct 2 ms 3164 KB Output is correct
31 Correct 133 ms 160128 KB Output is correct
32 Correct 149 ms 163840 KB Output is correct
33 Correct 191 ms 198560 KB Output is correct
34 Correct 194 ms 195244 KB Output is correct
35 Correct 246 ms 197956 KB Output is correct
36 Correct 165 ms 197720 KB Output is correct
37 Correct 221 ms 207664 KB Output is correct
38 Correct 106 ms 137812 KB Output is correct
39 Correct 104 ms 157412 KB Output is correct