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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int histogram[128];
  5.     int c = 0;
  6.  
  7.     for (int i = 0; i < 128; ++i) {
  8.         histogram[i] = 0;
  9.     }
  10.  
  11.     while ((c = getchar()) != EOF) {
  12.         histogram[c]++;
  13.     }
  14.  
  15.     for (int i = 0; i < 128; ++i) {
  16.         if ((histogram[i] >= 'a' && histogram[i] <= 'Z') && histogram[i] > 0) {
  17.             printf("%3d: %d\n", i, histogram[i]);
  18.         }
  19.     }
  20. }
Success #stdin #stdout 0s 9424KB
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https://ideone.com/9yhy2Q
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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