例4--3
#include<stdio.h> int main(void) { int count,number;
count=0; printf("Enter a number:"); scanf("%d",&number); if(number<0)number=-number; do{ number=number/10; count++; }while(number!=0); printf("It contains %d digits.\n",count);
return 0; }
#include<stdio.h> int main(void) { int count,number;
count=0; printf("Enter a number:"); scanf("%d",&number); if(number<0)number=-number; do{ number=number/10; count++; }while(number!=0); printf("It contains %d digits.\n",count);
return 0; }
