oj.uz

Submission #768802

# Submission time Handle Problem Language Result Execution time Memory
768802 2023-06-28T16:23:32 Z rainboy Nice sequence (IZhO18_sequence) C
0 / 100
 1 ms 296 KB 
#include <stdio.h>

#define N	200000
#define M	200000

int gcd(int a, int b) {
	return b == 0 ? a : gcd(b, a % b);
}

int main() {
	int t;

	scanf("%d", &t);
	while (t--) {
		static int pp[N + M];
		int n, m, d, n_, i, p;

		scanf("%d%d", &n, &m), d = gcd(n, m), n_ = m + n - d;
		i = n_, p = 0;
		while (1) {
			i = i >= n ? i - n : i + m;
			if (i == n_)
				break;
			pp[i] = p++;
		}
		for (i = 0; i < n_; i++)
			pp[i] = pp[i - i % d];
		printf("%d\n", n_ - 1);
		for (i = 1; i < n_; i++)
			printf("%d ", pp[i] - pp[i - 1]);
		printf("\n");
	}
	return 0;
}

Compilation message

sequence.c: In function 'main':
sequence.c:13:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  scanf("%d", &t);
      |  ^~~~~~~~~~~~~~~
sequence.c:18:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   scanf("%d%d", &n, &m), d = gcd(n, m), n_ = m + n - d;
      |   ^~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Ok
2 Incorrect 1 ms 296 KB All the numbers must be nonzero
3 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB All the numbers must be nonzero
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Ok
2 Correct 0 ms 212 KB Ok
3 Incorrect 0 ms 212 KB All the numbers must be nonzero
4 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB All the numbers must be nonzero
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Ok
2 Incorrect 1 ms 296 KB All the numbers must be nonzero
3 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Ok
2 Incorrect 1 ms 296 KB All the numbers must be nonzero
3 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Ok
2 Incorrect 1 ms 296 KB All the numbers must be nonzero
3 Halted 0 ms 0 KB -