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Link: http://codepad.org/m6RN1nli    [ raw code | output | fork ]

C, pasted on Sep 2:
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#include<stdio.h>
#include<conio.h>

int main()
{
	long n, t;
	int dem;
	printf("\nNhap n: ");
	scanf("%d", &n);
	dem = 0;
	t = n;
	while(t != 0)
	{
		dem++;
		t /= 10;
	}
	printf("\n%d", dem);
	getch();
	return 0;
}


Output:
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Line 17: error: conio.h: No such file or directory


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