Submission #118188

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Source Code Expand

#include <cstdio>

int main(void)
{
	int n;
	while(scanf("%d", &n), n)
	{
		int ans = 2, cur = n;
		for(int i=2;i*i<=n;i++)
		{
			if(cur % i == 0)
			{
				ans = i;
				while(cur % i == 0) cur /= i;
			}
		}

		if(cur != 1) ans = cur;
		printf("%d\n", ans);
	}

	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:2: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result