oj.uz

Submission #788242

# Submission time Handle Problem Language Result Execution time Memory
788242 2023-07-20T03:16:46 Z 12345678 Bitaro the Brave (JOI19_ho_t1) C++17
0 / 100
 1 ms 320 KB 
#include <bits/stdc++.h>

using namespace std;

const int nx=3e3+5;
int h, w, dpr[nx], dpc[nx];
long long ans;
char c;
vector<pair<int, int>> v;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>h>>w;
    for (int i=1; i<=h; i++)
    {
        for (int j=1; j<=w; j++)
        {
            cin>>c;
            if (c=='J') v.push_back({i, j});
            if (c=='O') dpr[i]++;
            if (c=='I') dpc[j]++;
        }
    }
    for (auto [x, y]:v) ans+=dpr[y]*dpc[x];
    cout<<ans;
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -