Digit Frequency
12345678910111213141516171819
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
int main() {
char s;
int i,a[] ={0,0,0,0,0,0,0,0,0,0};
while(scanf("%c", &s) == 1)
if(s >= '0' && s <= '9')
a[s-'0']+=1;
for(i=0;i<10;i++)
printf("%d ",a[i]);
return 0;
}
C
INFO