oj.uz

Submission #944483

# Submission time Handle Problem Language Result Execution time Memory
944483 2024-03-12T18:51:59 Z rainboy 토마토 (KOI13_tomato) C
4.8 / 16
 72 ms 10628 KB 
#include <stdio.h>

#define N	1000
#define M	1000
#define INF	0x3f3f3f3f

int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }

int main() {
	static int aa[N][M], dd[N][M];
	int n, m, i, j, d;

	scanf("%d%d", &m, &n);
	for (i = 0; i < n; i++)
		for (j = 0; j < m; j++)
			scanf("%d", &aa[i][j]);
	for (i = 0; i < n; i++)
		for (j = 0; j < m; j++)
			dd[i][j] = aa[i][j] == 1 ? 0 : INF;
	for (i = 0; i < n; i++) {
		for (j = 1; j < m; j++)
			dd[i][j] = min(dd[i][j], dd[i][j - 1] + 1);
		for (j = m - 2; j >= 0; j--)
			dd[i][j] = min(dd[i][j], dd[i][j + 1] + 1);
	}
	for (j = 0; j < m; j++) {
		for (i = 1; i < n; i++)
			dd[i][j] = min(dd[i][j], dd[i - 1][j] + 1);
		for (i = n - 2; i >= 0; i--)
			dd[i][j] = min(dd[i][j], dd[i + 1][j] + 1);
	}
	d = 0;
	for (i = 0; i < n; i++)
		for (j = 0; j < m; j++)
			d = max(d, dd[i][j]);
	if (d == INF)
		d = -1;
	printf("%d\n", d);
	return 0;
}

Compilation message

tomato.c: In function 'main':
tomato.c:14:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  scanf("%d%d", &m, &n);
      |  ^~~~~~~~~~~~~~~~~~~~~
tomato.c:17:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |    scanf("%d", &aa[i][j]);
      |    ^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 1.6

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2392 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2396 KB Output is correct
2 Incorrect 1 ms 2396 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2396 KB Output is correct
2 Incorrect 1 ms 2652 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3164 KB Output is correct
2 Correct 3 ms 3164 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2480 KB Output is correct

Subtask #5
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2744 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 3 ms 7772 KB Output is correct
4 Correct 3 ms 7768 KB Output is correct

Subtask #6
0 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Incorrect 4 ms 3332 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 23 ms 8280 KB Output is correct
2 Incorrect 16 ms 8540 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 30 ms 8540 KB Output is correct
2 Correct 26 ms 8284 KB Output is correct
3 Correct 5 ms 3164 KB Output is correct
4 Correct 6 ms 2908 KB Output is correct

Subtask #9
0 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 20 ms 8028 KB Output is correct
2 Incorrect 60 ms 9872 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #10
0 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 72 ms 10128 KB Output is correct
2 Correct 67 ms 10204 KB Output is correct
3 Incorrect 71 ms 10628 KB Output isn't correct
4 Halted 0 ms 0 KB -