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  1. Prepare
  2. C
  3. Arrays and Strings
  4. Digit Frequency
  5. Discussions

Digit Frequency

  • chauhanpoorvank
     + 1 comment
    #include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */    
    char *a = (char*)malloc(1000 * (sizeof(char)));
    fgets(a, 1000, stdin);
    int hmm[10] = {0};
    for(int i=0; i < strlen(a); i++ ){
        if (a[i] >= '0' && a[i] <= '9'){  //difference in ascii character address turns str into int
            hmm[a[i] - '0']++;
        }
    }
    for (int i = 0; i < 10; i++) {
        printf("%d ", hmm[i]);
    }
    free(a);
    return 0;
}