oj.uz

Submission #1075267

# Submission time Handle Problem Language Result Execution time Memory
1075267 2024-08-25T22:50:45 Z quangminh412 Bitaro the Brave (JOI19_ho_t1) C++14
20 / 100
 1000 ms 1884 KB 
#include <bits/stdc++.h>
using namespace std;

/*
  John Watson
  https://codeforces.com/profile/quangminh98

  Mua Code nhu mua Florentino !!
*/

#define faster() ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define ll long long

const int maxn = 3009;

char a[maxn][maxn];
int H, W;

signed main()
{
	if (fopen("test.inp", "r"))
	{
		freopen("test.inp", "r", stdin);
		freopen("test.out", "w", stdout);
	}
	faster();

	cin >> H >> W;
	for (int i = 1; i <= H; i++)
		for (int j = 1; j <= W; j++)
			cin >> a[i][j];

	int res = 0;
	for (int i = 1; i <= H; i++)
		for (int j = 1; j <= W; j++)
			for (int k = i + 1; k <= H; k++)
				for (int l = j + 1; l <= W; l++)
					res += (a[i][j] == 'J' && a[i][l] == 'O' && a[k][j] == 'I');
					
	cout << res << '\n';

	return 0;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:23:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |   freopen("test.inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:24:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |   freopen("test.out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 15 ms 600 KB Output is correct
6 Correct 10 ms 768 KB Output is correct
7 Correct 14 ms 604 KB Output is correct
8 Correct 15 ms 600 KB Output is correct
9 Correct 10 ms 600 KB Output is correct
10 Correct 18 ms 600 KB Output is correct
11 Correct 16 ms 600 KB Output is correct
12 Correct 11 ms 604 KB Output is correct
13 Correct 14 ms 604 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 15 ms 600 KB Output is correct
6 Correct 10 ms 768 KB Output is correct
7 Correct 14 ms 604 KB Output is correct
8 Correct 15 ms 600 KB Output is correct
9 Correct 10 ms 600 KB Output is correct
10 Correct 18 ms 600 KB Output is correct
11 Correct 16 ms 600 KB Output is correct
12 Correct 11 ms 604 KB Output is correct
13 Correct 14 ms 604 KB Output is correct
14 Execution timed out 1071 ms 1884 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 15 ms 600 KB Output is correct
6 Correct 10 ms 768 KB Output is correct
7 Correct 14 ms 604 KB Output is correct
8 Correct 15 ms 600 KB Output is correct
9 Correct 10 ms 600 KB Output is correct
10 Correct 18 ms 600 KB Output is correct
11 Correct 16 ms 600 KB Output is correct
12 Correct 11 ms 604 KB Output is correct
13 Correct 14 ms 604 KB Output is correct
14 Execution timed out 1071 ms 1884 KB Time limit exceeded
15 Halted 0 ms 0 KB -