c-programming

Simple C programs
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count-digits.c (590B)

      1 #include <stdio.h>
      2 
      3 int main(){
      4     int c, i, nwhite, nother;
      5 
      6     int ndigit[10];
      7 
      8     nwhite = nother = 0;
      9 
     10     for (i = 0 ; i < 10; ++i){
     11         ndigit[i] = 0;
     12     }
     13 
     14     while((c = getchar()) != EOF){
     15         if(c >= '0' & c <= '9'){
     16             ++ndigit[c-'0'];
     17         }
     18         else if(c == ' ' || c == '\n' || c == '\t'){
     19             ++nwhite;
     20         }
     21         else{
     22             ++nother;
     23         }
     24     }
     25     printf("digits = ");
     26     for(i = 0; i < 10; ++i){
     27         printf(" %d", ndigit[i]);
     28     }
     29     printf(", white space = %d, other = %d\n", nwhite, nother);
     30 
     31     return 0;
     32 }