#include "stdafx.h"
#include<iostream>;
using namespace std;
int _tmain(int argc, _TCHAR* argv[])// tinh so chu so cua n
{
int n, s = 1, i;
cout << "nhap n :";
cin >> n;
for (; i = n / 10; )
{
if (i != 0)
s = s + 1;
}
cout << "so chu so cua n = " <<s<< endl;
return 0;
}
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