oj.uz

Submission #491108

# Submission time Handle Problem Language Result Execution time Memory
491108 2021-11-30T14:44:54 Z rainboy Paint (COI20_paint) C
8 / 100
 3000 ms 11024 KB 
#include <stdio.h>

#define NM	200000

int aa[NM], n, m;

void dfs(int i, int j, int a, int c) {
	if (i < 0 || i >= n || j < 0 || j >= m || aa[i * m + j] != a)
		return;
	aa[i * m + j] = c;
	dfs(i - 1, j, a, c);
	dfs(i + 1, j, a, c);
	dfs(i, j - 1, a, c);
	dfs(i, j + 1, a, c);
}

int main() {
	int q, i, j;

	scanf("%d%d", &n, &m);
	for (i = 0; i < n; i++)
		for (j = 0; j < m; j++)
			scanf("%d", &aa[i * m + j]);
	scanf("%d", &q);
	while (q--) {
		int c;

		scanf("%d%d%d", &i, &j, &c), i--, j--;
		if (aa[i * m + j] != c)
			dfs(i, j, aa[i * m + j], c);
	}
	for (i = 0; i < n; i++) {
		for (j = 0; j < m; j++)
			printf("%d ", aa[i * m + j]);
		printf("\n");
	}
	return 0;
}

Compilation message

paint.c: In function 'main':
paint.c:20:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |  scanf("%d%d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~
paint.c:23:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |    scanf("%d", &aa[i * m + j]);
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
paint.c:24:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |  scanf("%d", &q);
      |  ^~~~~~~~~~~~~~~
paint.c:28:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |   scanf("%d%d%d", &i, &j, &c), i--, j--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 6 ms 332 KB Output is correct
4 Correct 5 ms 388 KB Output is correct
5 Correct 247 ms 592 KB Output is correct
6 Correct 487 ms 928 KB Output is correct
7 Correct 0 ms 204 KB Output is correct

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 1584 KB Output is correct
2 Correct 126 ms 2592 KB Output is correct
3 Execution timed out 3070 ms 6408 KB Time limit exceeded

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2428 ms 11024 KB Output is correct
2 Correct 463 ms 7620 KB Output is correct
3 Correct 540 ms 8420 KB Output is correct
4 Execution timed out 3089 ms 7312 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 116 ms 3400 KB Output is correct
2 Execution timed out 3098 ms 6724 KB Time limit exceeded
3 Halted 0 ms 0 KB -