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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. bool cmp (string a, string b) {
  5.     return a < b;
  6. }
  7.  
  8. int main() {
  9.     string s[3];
  10.  
  11.     cin >> s[0] >> s[1] >> s[2];
  12.  
  13.     sort (s, s+3, cmp);
  14.  
  15.     if (s[0][1] == s[1][1] && s[0][1] == s[2][1])
  16.         if ((s[0][0] == s[1][0] && s[0][0] == s[2][0]) || (s[0][0]+1 == s[1][0] && s[1][0]+1 == s[2][0])) {
  17.             puts("0");
  18.             return 0;
  19.         }
  20.  
  21.     if ((s[0][0] == s[1][0] && s[0][1] == s[1][1]) || (s[1][0] == s[2][0] && s[1][1] == s[2][1])
  22.         || (s[0][1] == s[1][1] && (s[0][0]+1 == s[1][0] || s[0][0]+2 == s[1][0])) || (s[1][1] == s[2][1] && (s[1][0]+1 == s[2][0] || s[1][0]+2 == s[2][0])))
  23.             puts("1");
  24.     else puts("2");
  25.  
  26.     return 0;
  27. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/blx6v5
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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