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  1. #include <stdio.h>
  2.  
  3. void printDup(char *str)
  4. {
  5.     int count[256] = {0};
  6.     int i = 0;
  7.  
  8.     while (*str != '\0') {
  9.         count[*str++]++;
  10.     }
  11.  
  12.     for (i = 0; i < 256; i++) {
  13.         if (count[i] > 0) {
  14.             printf("%c %d\n", i, count[i]);
  15.         }
  16.     }
  17. }
  18.  
  19. int main()
  20. {
  21.     char *str = "Foo Bar";
  22.  
  23.     printDup(str);
  24.  
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0s 2248KB
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stdin
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Standard input is empty
stdout
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  1
B 1
F 1
a 1
o 2
r 1
https://ideone.com/GWxZRK
duplicate and count
language:
C (gcc 8.3)
created:
10 years ago
visibility:
secret

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