//#include "stdafx.h"//vc++6.0加上这一行.
#include "stdio.h"
#include "string.h"
#include "stdlib.h"
void main(void){
char a[5];
int n;
printf("Enter a positive integer less than 10000:\n");
scanf("%d",&n);
printf("%d is a %d digit number!\n",n,strlen(itoa(n,a,10)));
}
#include
#include
int main()
{
int n,t,ans=0;
scanf("%d",&n);
while(n>0)
{
ans++;
n=n/10;
}
printf("%d\n",ans);
return 0;
}
10进制
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