oj.uz

Submission #654737

# Submission time Handle Problem Language Result Execution time Memory
654737 2022-11-01T12:13:17 Z veiga Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 258 ms 161204 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define pb push_back
#define F first
#define S second
#define endl "\n"
const int INF = 1e9+10;
const int MOD = 1e9+7;

int n, m;
string s[3030];
int sumi[3030][3030], sumo[3030][3030];

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> n >> m;
    for(int i = 0; i < n; i++) {
        cin >> s[i];
    }
    for(int i = 0; i < n; i++) {
        int at = 0;
        for(int j = 0; j < m; j++) {
            if(s[i][j] == 'O') at++;
            sumo[i][j] = at;
        }
    }
    for(int i = 0; i < m; i++) {
        int at = 0;
        for(int j = 0; j < n; j++) {
            if(s[j][i] == 'I') at++;
            sumi[j][i] = at;
        }
    }
    int resp = 0;
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) {
            if(s[i][j] == 'J') {
                int ci = sumi[n-1][j] - sumi[i][j];
                int co = sumo[i][m-1] - sumo[i][j];
                resp += ci * co; 
            }
        }
    }
    cout << resp << endl;

    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 1364 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 1 ms 1364 KB Output is correct
9 Correct 1 ms 1364 KB Output is correct
10 Correct 1 ms 1236 KB Output is correct
11 Correct 1 ms 1364 KB Output is correct
12 Correct 1 ms 1364 KB Output is correct
13 Correct 1 ms 1236 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 1364 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 1 ms 1364 KB Output is correct
9 Correct 1 ms 1364 KB Output is correct
10 Correct 1 ms 1236 KB Output is correct
11 Correct 1 ms 1364 KB Output is correct
12 Correct 1 ms 1364 KB Output is correct
13 Correct 1 ms 1236 KB Output is correct
14 Correct 5 ms 7848 KB Output is correct
15 Correct 2 ms 3796 KB Output is correct
16 Correct 3 ms 4772 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 6 ms 8864 KB Output is correct
19 Correct 5 ms 8660 KB Output is correct
20 Correct 5 ms 8580 KB Output is correct
21 Correct 6 ms 8876 KB Output is correct
22 Correct 5 ms 8660 KB Output is correct
23 Correct 5 ms 8612 KB Output is correct
24 Correct 6 ms 8864 KB Output is correct
25 Correct 5 ms 8660 KB Output is correct
26 Correct 5 ms 8660 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 1364 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 1 ms 1364 KB Output is correct
9 Correct 1 ms 1364 KB Output is correct
10 Correct 1 ms 1236 KB Output is correct
11 Correct 1 ms 1364 KB Output is correct
12 Correct 1 ms 1364 KB Output is correct
13 Correct 1 ms 1236 KB Output is correct
14 Correct 5 ms 7848 KB Output is correct
15 Correct 2 ms 3796 KB Output is correct
16 Correct 3 ms 4772 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 6 ms 8864 KB Output is correct
19 Correct 5 ms 8660 KB Output is correct
20 Correct 5 ms 8580 KB Output is correct
21 Correct 6 ms 8876 KB Output is correct
22 Correct 5 ms 8660 KB Output is correct
23 Correct 5 ms 8612 KB Output is correct
24 Correct 6 ms 8864 KB Output is correct
25 Correct 5 ms 8660 KB Output is correct
26 Correct 5 ms 8660 KB Output is correct
27 Correct 243 ms 160188 KB Output is correct
28 Correct 9 ms 19540 KB Output is correct
29 Correct 10 ms 13908 KB Output is correct
30 Correct 1 ms 852 KB Output is correct
31 Correct 198 ms 130900 KB Output is correct
32 Correct 222 ms 161020 KB Output is correct
33 Correct 216 ms 160632 KB Output is correct
34 Correct 221 ms 151752 KB Output is correct
35 Correct 229 ms 161080 KB Output is correct
36 Correct 244 ms 160688 KB Output is correct
37 Correct 258 ms 161204 KB Output is correct
38 Correct 155 ms 129988 KB Output is correct
39 Correct 170 ms 130504 KB Output is correct