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add1ctus

Не се лути електрашу

Dec 28th, 2015
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C 0.61 KB | None | 0 0
  1. #include <cstdio>
  2. #include <string.h>
  3.  
  4. using namespace std;
  5.  
  6. int f(char* input)
  7. {
  8.     int prvIgrac;
  9.     int vtorIgrac;
  10.     int n = strlen(input);
  11.     int brojac = 0;
  12.     while(*input != '\0')
  13.     {
  14.         if(*input == '1')
  15.             prvIgrac = brojac;
  16.         else if(*input == '2')
  17.             vtorIgrac = brojac;
  18.         ++brojac;
  19.         ++input;
  20.     }
  21.     if(vtorIgrac < prvIgrac || vtorIgrac - prvIgrac > 6)
  22.         return -1;
  23.     else
  24.         return vtorIgrac - prvIgrac;
  25. }
  26.  
  27. int main()
  28. {
  29.     char input[100];
  30.     scanf("%100s",input);
  31.     printf("%d",f(input));
  32.     return 0;
  33. }
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