oj.uz

Submission #288852

# Submission time Handle Problem Language Result Execution time Memory
288852 2020-09-02T02:04:54 Z BeanZ Bitaro the Brave (JOI19_ho_t1) C++14
50 / 100
 267 ms 274436 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define endl '\n'
const int N = 2e5 + 5;
char a[3005][3005];
ll col[3005][3005][3], row[3005][3005][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 0 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 2 ms 1920 KB Output is correct
6 Correct 1 ms 1792 KB Output is correct
7 Correct 1 ms 1792 KB Output is correct
8 Correct 2 ms 1920 KB Output is correct
9 Correct 2 ms 1792 KB Output is correct
10 Correct 2 ms 1792 KB Output is correct
11 Correct 2 ms 1920 KB Output is correct
12 Correct 2 ms 1792 KB Output is correct
13 Correct 1 ms 1792 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 0 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 2 ms 1920 KB Output is correct
6 Correct 1 ms 1792 KB Output is correct
7 Correct 1 ms 1792 KB Output is correct
8 Correct 2 ms 1920 KB Output is correct
9 Correct 2 ms 1792 KB Output is correct
10 Correct 2 ms 1792 KB Output is correct
11 Correct 2 ms 1920 KB Output is correct
12 Correct 2 ms 1792 KB Output is correct
13 Correct 1 ms 1792 KB Output is correct
14 Correct 14 ms 15104 KB Output is correct
15 Correct 4 ms 5376 KB Output is correct
16 Correct 9 ms 9472 KB Output is correct
17 Correct 1 ms 640 KB Output is correct
18 Correct 17 ms 17920 KB Output is correct
19 Correct 16 ms 17408 KB Output is correct
20 Correct 16 ms 17536 KB Output is correct
21 Correct 17 ms 17920 KB Output is correct
22 Correct 16 ms 17408 KB Output is correct
23 Correct 16 ms 17536 KB Output is correct
24 Correct 18 ms 17856 KB Output is correct
25 Correct 16 ms 17408 KB Output is correct
26 Correct 16 ms 17536 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 0 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 2 ms 1920 KB Output is correct
6 Correct 1 ms 1792 KB Output is correct
7 Correct 1 ms 1792 KB Output is correct
8 Correct 2 ms 1920 KB Output is correct
9 Correct 2 ms 1792 KB Output is correct
10 Correct 2 ms 1792 KB Output is correct
11 Correct 2 ms 1920 KB Output is correct
12 Correct 2 ms 1792 KB Output is correct
13 Correct 1 ms 1792 KB Output is correct
14 Correct 14 ms 15104 KB Output is correct
15 Correct 4 ms 5376 KB Output is correct
16 Correct 9 ms 9472 KB Output is correct
17 Correct 1 ms 640 KB Output is correct
18 Correct 17 ms 17920 KB Output is correct
19 Correct 16 ms 17408 KB Output is correct
20 Correct 16 ms 17536 KB Output is correct
21 Correct 17 ms 17920 KB Output is correct
22 Correct 16 ms 17408 KB Output is correct
23 Correct 16 ms 17536 KB Output is correct
24 Correct 18 ms 17856 KB Output is correct
25 Correct 16 ms 17408 KB Output is correct
26 Correct 16 ms 17536 KB Output is correct
27 Runtime error 267 ms 274436 KB Execution killed with signal 9
28 Halted 0 ms 0 KB -