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  1. #include <stdio.h>
  2. #include <stdint.h>
  3. #include <ctype.h>
  4.  
  5. int main(){
  6.   char buff[4096];
  7.   size_t i,sz;
  8.   uintmax_t numeric = UINTMAX_C(0);
  9.   uintmax_t alphabet = UINTMAX_C(0);
  10.   uintmax_t other = UINTMAX_C(0);
  11.  
  12.   for(;;){
  13.     sz = fread( buff, 1, sizeof(buff), stdin );
  14.     if( sz == 0 ) break;
  15.     for( i = 0; i < sz; ++i ) {
  16.       if( isalpha( buff[i] )) {
  17.         ++alphabet;
  18.       }
  19.       else if( isdigit( buff[i] )) {
  20.         ++numeric;
  21.       }
  22.       else {
  23.         ++other;
  24.       }
  25.     }
  26.   }
  27.  
  28.   printf( "num=%ju, alpha=%ju, other=%ju\n", numeric, alphabet, other );
  29. }
  30.  
Success #stdin #stdout 0.01s 1724KB
comments (?)
stdin
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th1s 1s test c0de!
stdout
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num=3, alpha=11, other=4
https://ideone.com/y8Nzf
language:
C99 (gcc 8.3)
created:
12 years ago
visibility:
public

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