oj.uz

Submission #547839

# Submission time Handle Problem Language Result Execution time Memory
547839 2022-04-11T21:05:43 Z Zhora_004 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 201 ms 89512 KB 
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <unordered_set>
#include <queue>
#include <deque>
#include <string>
#include <sstream>
#include <iomanip>
#include <map>
#include <unordered_map>
#include <stack>
#include <cstdio>
#include <climits>
#include <tuple>
#include <ctime>
#include <cstring>
#include <numeric>
#include <functional>
#include <chrono>
#include <cassert>
#include <bitset>
//#include <bit>
//#include <ranges>
//#include <numbers>
#define itn int
#define sacnf scanf
#define sz(a) ((int)((a).size()))
// printf("%.10f\n", ans);
using ll = long long;
using namespace std;
const ll mod = 998244353;
const int N = 1e6 + 1, inf = 1e9;



int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, m;
    cin >> n >> m;
    vector<string> v(n);
    for (int i = 0; i < n; i++) cin >> v[i];
    vector<vector<int>> O(n, vector<int>(m));
    for (int i = 0; i < n; i++)
    {
        if (v[i][m - 1] == 'O') O[i][m - 1] = 1;
        for (int j = m - 2; j >= 0; j--)
        {
            O[i][j] = O[i][j + 1];
            if (v[i][j] == 'O') O[i][j]++;
        }
    }
    vector<vector<int>> I(m, vector<int>(n));
    for (int j = 0; j < m; j++)
    {
        if (v[n - 1][j] == 'I') I[j][n - 1] = 1;
        for (int i = n - 2; i >= 0; i--)
        {
            I[j][i] = I[j][i + 1];
            if (v[i][j] == 'I') I[j][i]++;
        }
    }
    ll ans = 0;
    for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) if (v[i][j] == 'J' && i + 1 < n && j + 1 < m) ans += 1ll * O[i][j + 1] * I[j][i + 1];
    cout << ans;

    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 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 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 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 2252 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 1620 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 5 ms 2744 KB Output is correct
19 Correct 3 ms 2732 KB Output is correct
20 Correct 3 ms 2764 KB Output is correct
21 Correct 5 ms 2764 KB Output is correct
22 Correct 4 ms 2644 KB Output is correct
23 Correct 4 ms 2756 KB Output is correct
24 Correct 5 ms 2764 KB Output is correct
25 Correct 4 ms 2644 KB Output is correct
26 Correct 3 ms 2772 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 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 2252 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 1620 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 5 ms 2744 KB Output is correct
19 Correct 3 ms 2732 KB Output is correct
20 Correct 3 ms 2764 KB Output is correct
21 Correct 5 ms 2764 KB Output is correct
22 Correct 4 ms 2644 KB Output is correct
23 Correct 4 ms 2756 KB Output is correct
24 Correct 5 ms 2764 KB Output is correct
25 Correct 4 ms 2644 KB Output is correct
26 Correct 3 ms 2772 KB Output is correct
27 Correct 175 ms 84592 KB Output is correct
28 Correct 1 ms 724 KB Output is correct
29 Correct 8 ms 6728 KB Output is correct
30 Correct 1 ms 608 KB Output is correct
31 Correct 124 ms 62268 KB Output is correct
32 Correct 131 ms 88948 KB Output is correct
33 Correct 132 ms 89164 KB Output is correct
34 Correct 140 ms 72160 KB Output is correct
35 Correct 136 ms 88908 KB Output is correct
36 Correct 130 ms 89236 KB Output is correct
37 Correct 201 ms 89512 KB Output is correct
38 Correct 85 ms 61772 KB Output is correct
39 Correct 87 ms 62028 KB Output is correct