oj.uz

Submission #490926

# Submission time Handle Problem Language Result Execution time Memory
490926 2021-11-29T21:42:04 Z rainboy Izlet (COI19_izlet) C
18 / 100
 666 ms 53068 KB 
#include <stdio.h>

#define N	3000

int main() {
	static int kk[N][N], cc[N], ii[N];
	int n, n_, h, i, j, s, c;

	scanf("%d%d", &s, &n);
	if (s != 1)
		return 0;
	for (i = 0; i < n; i++)
		for (j = 0; j < n; j++)
			scanf("%d", &kk[i][j]);
	n_ = 0;
	for (i = 0, c = 1; i < n; i++) {
		if (cc[i])
			continue;
		cc[i] = c, ii[n_++] = i;
		for (j = i + 1; j < n; j++)
			if (kk[i][j] == 1)
				cc[j] = c, ii[n_++] = j;
		c ^= 3;
	}
	for (i = 0; i < n; i++)
		printf("%d ", cc[i]);
	printf("\n");
	for (h = 0; h < n - 1; h++)
		printf("%d %d\n", ii[h] + 1, ii[h + 1] + 1);
	return 0;
}

Compilation message

izlet.c: In function 'main':
izlet.c:9:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  scanf("%d%d", &s, &n);
      |  ^~~~~~~~~~~~~~~~~~~~~
izlet.c:14:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |    scanf("%d", &kk[i][j]);
      |    ^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 659 ms 53064 KB Output is correct
3 Correct 661 ms 53068 KB Output is correct
4 Correct 666 ms 52996 KB Output is correct
5 Correct 648 ms 52932 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #3
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 659 ms 53064 KB Output is correct
3 Correct 661 ms 53068 KB Output is correct
4 Correct 666 ms 52996 KB Output is correct
5 Correct 648 ms 52932 KB Output is correct
6 Incorrect 0 ms 204 KB Unexpected end of file - int32 expected
7 Halted 0 ms 0 KB -