Submission #8403918

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Source Code Expand

#include <stdio.h>
#include <string.h>
#include <queue>

using namespace std;

int dist[100005];

int main()
{
	int n;
	queue<int> q;

	scanf("%d", &n);

	q.push(0);
	while (!q.empty() && !dist[0])
	{
		int num = q.front();
		q.pop();

		int next = (num + 1) % n;

		while (!dist[next])
		{
			q.push(next);
			dist[next] = dist[num] + 1;
			next = (next * 10) % n;
		}
	}

	printf("%d\n", dist[0]);

	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^

Judge Result