oj.uz

Submission #758976

# Submission time Handle Problem Language Result Execution time Memory
758976 2023-06-15T16:07:06 Z raysh07 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 116 ms 18976 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e18
#define f first
#define s second

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

void Solve() 
{
    int h, w; cin >> h >> w;
    vector<string> s(h);
    vector<int> rs(h, 0);
    vector<int> cs(w, 0);
        
    for (int i = 0; i < h; i++){
        cin >> s[i];
        
        for (int j = 0; j < w; j++){
            if (s[i][j] == 'O') rs[i]++;
            else if (s[i][j] == 'I') cs[j]++;
        }
    }
    
    int ans = 0;
    for (int i = 0; i < h; i++){
        for (int j = 0; j < w; j++){
            if (s[i][j] == 'O') rs[i]--;
            else if (s[i][j] == 'I') cs[j]--;
            else ans += rs[i] * cs[j];
        }
    }
    
    cout << ans << "\n";
}

int32_t main() 
{
    auto begin = std::chrono::high_resolution_clock::now();
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
  //  cin >> t;
    for(int i = 1; i <= t; i++) 
    {
        //cout << "Case #" << i << ": ";
        Solve();
    }
    auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 724 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 4 ms 852 KB Output is correct
19 Correct 2 ms 720 KB Output is correct
20 Correct 1 ms 724 KB Output is correct
21 Correct 4 ms 852 KB Output is correct
22 Correct 2 ms 724 KB Output is correct
23 Correct 1 ms 728 KB Output is correct
24 Correct 4 ms 852 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 1 ms 720 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 328 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 4 ms 724 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 4 ms 852 KB Output is correct
19 Correct 2 ms 720 KB Output is correct
20 Correct 1 ms 724 KB Output is correct
21 Correct 4 ms 852 KB Output is correct
22 Correct 2 ms 724 KB Output is correct
23 Correct 1 ms 728 KB Output is correct
24 Correct 4 ms 852 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 1 ms 720 KB Output is correct
27 Correct 115 ms 17876 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 4 ms 1620 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 86 ms 13240 KB Output is correct
32 Correct 44 ms 18748 KB Output is correct
33 Correct 37 ms 18884 KB Output is correct
34 Correct 102 ms 15240 KB Output is correct
35 Correct 51 ms 18900 KB Output is correct
36 Correct 32 ms 18908 KB Output is correct
37 Correct 116 ms 18976 KB Output is correct
38 Correct 24 ms 13004 KB Output is correct
39 Correct 21 ms 13008 KB Output is correct