oj.uz

Submission #288854

# Submission time Handle Problem Language Result Execution time Memory
288854 2020-09-02T02:06:34 Z BeanZ Bitaro the Brave (JOI19_ho_t1) C++14
50 / 100
 258 ms 274436 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define endl '\n'
const int N = 2e5 + 5;
char a[5005][5005];
ll col[5005][5005][3], row[5005][5005][3];
int main(){
        ios_base::sync_with_stdio(false);
        cin.tie(0);
        if (fopen("VietCT.INP", "r")){
                freopen("VietCT.INP", "r", stdin);
                freopen("VietCT.OUT", "w", stdout);
        }
        ll n, m;
        cin >> n >> m;
        string s = "JOI";
        for (int i = 1; i <= n; i++){
                for (int j = 1; j <= m; j++){
                        cin >> a[i][j];
                        for (int k = 0; k < 3; k++){
                                col[i][j][k] = col[i - 1][j][k] + (a[i][j] == s[k]);
                                row[i][j][k] = row[i][j - 1][k] + (a[i][j] == s[k]);
                        }
                }
        }
        ll ans = 0;
        for (int i = 1; i <= n; i++){
                for (int j = 1; j <= m; j++){
                        if (a[i][j] == 'J'){
                                ans = ans + (row[i][m][1] - row[i][j][1]) * (col[n][j][2] - col[i][j][2]);
                        }
                }
        }
        cout << ans;
}
/*
*/

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:14:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   14 |                 freopen("VietCT.INP", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:15:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   15 |                 freopen("VietCT.OUT", "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 2 ms 2048 KB Output is correct
6 Correct 2 ms 1920 KB Output is correct
7 Correct 2 ms 1920 KB Output is correct
8 Correct 2 ms 2048 KB Output is correct
9 Correct 2 ms 1920 KB Output is correct
10 Correct 1 ms 1920 KB Output is correct
11 Correct 2 ms 2048 KB Output is correct
12 Correct 2 ms 1920 KB Output is correct
13 Correct 2 ms 1920 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 2 ms 2048 KB Output is correct
6 Correct 2 ms 1920 KB Output is correct
7 Correct 2 ms 1920 KB Output is correct
8 Correct 2 ms 2048 KB Output is correct
9 Correct 2 ms 1920 KB Output is correct
10 Correct 1 ms 1920 KB Output is correct
11 Correct 2 ms 2048 KB Output is correct
12 Correct 2 ms 1920 KB Output is correct
13 Correct 2 ms 1920 KB Output is correct
14 Correct 14 ms 15744 KB Output is correct
15 Correct 4 ms 5888 KB Output is correct
16 Correct 9 ms 9728 KB Output is correct
17 Correct 1 ms 640 KB Output is correct
18 Correct 17 ms 18560 KB Output is correct
19 Correct 16 ms 18048 KB Output is correct
20 Correct 16 ms 18176 KB Output is correct
21 Correct 17 ms 18560 KB Output is correct
22 Correct 16 ms 18048 KB Output is correct
23 Correct 16 ms 18176 KB Output is correct
24 Correct 17 ms 18560 KB Output is correct
25 Correct 16 ms 18048 KB Output is correct
26 Correct 16 ms 18208 KB Output is correct

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 2 ms 2048 KB Output is correct
6 Correct 2 ms 1920 KB Output is correct
7 Correct 2 ms 1920 KB Output is correct
8 Correct 2 ms 2048 KB Output is correct
9 Correct 2 ms 1920 KB Output is correct
10 Correct 1 ms 1920 KB Output is correct
11 Correct 2 ms 2048 KB Output is correct
12 Correct 2 ms 1920 KB Output is correct
13 Correct 2 ms 1920 KB Output is correct
14 Correct 14 ms 15744 KB Output is correct
15 Correct 4 ms 5888 KB Output is correct
16 Correct 9 ms 9728 KB Output is correct
17 Correct 1 ms 640 KB Output is correct
18 Correct 17 ms 18560 KB Output is correct
19 Correct 16 ms 18048 KB Output is correct
20 Correct 16 ms 18176 KB Output is correct
21 Correct 17 ms 18560 KB Output is correct
22 Correct 16 ms 18048 KB Output is correct
23 Correct 16 ms 18176 KB Output is correct
24 Correct 17 ms 18560 KB Output is correct
25 Correct 16 ms 18048 KB Output is correct
26 Correct 16 ms 18208 KB Output is correct
27 Runtime error 258 ms 274436 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -