oj.uz

Submission #392960

# Submission time Handle Problem Language Result Execution time Memory
392960 2021-04-22T12:37:16 Z giorgikob Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 348 ms 88520 KB 
#include<bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define pb push_back
using namespace std;

const int N = 3e3+5, mod = 1e9+7, sq = 500;

ll answer;
int n,m;
char A[N][N];
int O[N][N],I[N][N];

inline void test_case(){

    cin >> n >> m;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            cin >> A[i][j];
            O[i][j] = O[i][j-1] + (A[i][j] ==  'O');
            I[i][j] = I[i-1][j] + (A[i][j] ==  'I');
        }
    }

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            if(A[i][j] == 'J'){
                answer += (O[i][m]-O[i][j])*(I[n][j] - I[i][j]);
            }
        }
    }

    cout << answer << endl;


}

 main(){
    ios::sync_with_stdio(0);

    int T = 1;
    //cin >> T;
    while(T--){
        test_case();
    }
}

Compilation message

joi2019_ho_t1.cpp:39:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   39 |  main(){
      |       ^

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 1484 KB Output is correct
6 Correct 1 ms 1484 KB Output is correct
7 Correct 1 ms 1356 KB Output is correct
8 Correct 2 ms 1484 KB Output is correct
9 Correct 1 ms 1484 KB Output is correct
10 Correct 1 ms 1368 KB Output is correct
11 Correct 2 ms 1484 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 1484 KB Output is correct
6 Correct 1 ms 1484 KB Output is correct
7 Correct 1 ms 1356 KB Output is correct
8 Correct 2 ms 1484 KB Output is correct
9 Correct 1 ms 1484 KB Output is correct
10 Correct 1 ms 1368 KB Output is correct
11 Correct 2 ms 1484 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 9 ms 7500 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 6 ms 4300 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 11 ms 7980 KB Output is correct
19 Correct 10 ms 7884 KB Output is correct
20 Correct 10 ms 7756 KB Output is correct
21 Correct 12 ms 8012 KB Output is correct
22 Correct 10 ms 7884 KB Output is correct
23 Correct 10 ms 7864 KB Output is correct
24 Correct 11 ms 7916 KB Output is correct
25 Correct 10 ms 7884 KB Output is correct
26 Correct 10 ms 7764 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 1484 KB Output is correct
6 Correct 1 ms 1484 KB Output is correct
7 Correct 1 ms 1356 KB Output is correct
8 Correct 2 ms 1484 KB Output is correct
9 Correct 1 ms 1484 KB Output is correct
10 Correct 1 ms 1368 KB Output is correct
11 Correct 2 ms 1484 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 1 ms 1356 KB Output is correct
14 Correct 9 ms 7500 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 6 ms 4300 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 11 ms 7980 KB Output is correct
19 Correct 10 ms 7884 KB Output is correct
20 Correct 10 ms 7756 KB Output is correct
21 Correct 12 ms 8012 KB Output is correct
22 Correct 10 ms 7884 KB Output is correct
23 Correct 10 ms 7864 KB Output is correct
24 Correct 11 ms 7916 KB Output is correct
25 Correct 10 ms 7884 KB Output is correct
26 Correct 10 ms 7764 KB Output is correct
27 Correct 257 ms 87948 KB Output is correct
28 Correct 14 ms 25976 KB Output is correct
29 Correct 19 ms 7800 KB Output is correct
30 Correct 1 ms 588 KB Output is correct
31 Correct 197 ms 72632 KB Output is correct
32 Correct 245 ms 88388 KB Output is correct
33 Correct 251 ms 88140 KB Output is correct
34 Correct 247 ms 84372 KB Output is correct
35 Correct 250 ms 88464 KB Output is correct
36 Correct 244 ms 88192 KB Output is correct
37 Correct 348 ms 88520 KB Output is correct
38 Correct 173 ms 72516 KB Output is correct
39 Correct 171 ms 72260 KB Output is correct