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Feb 18th, 2020
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  1. char least_common(char *str, int size){
  2.     int occ[256];
  3.     int i;
  4.    
  5.     /* Inizializziamo tutte le occorrenze dei caratteri a 0*/
  6.     for (i = 0; i < 256; i++){
  7.         occ[i] = 0;
  8.     }
  9.     /* Calcoliamo le occorrenze dei caratteri della stringa */
  10.     for (i = 0; i < size; i++){
  11.         occ[v[i]]++;
  12.     }
  13.    
  14.     int min = size+1;
  15.     int i_min = -1;
  16.    
  17.     for (i = 0; i < 256; i++){
  18.         if (occ[i] < min){
  19.             min = occ[i];
  20.             i_min = i;
  21.         }
  22.     }
  23.     return i_min;
  24. }
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