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  1. #include <iostream>
  2. using namespace std;
  3. const int n = 10;
  4. int x[n];
  5. int main() {
  6.   char c;
  7.   int s = 0;
  8.   while((c=cin.get())!= EOF){
  9.   	x[c-'0']++;//перевод символов в цифры
  10.   }
  11.   for(int i = 0; i < n; i++)
  12. 	s+=x[i]/2;
  13.   cout << s << endl;
  14.  
  15.   return 0;
  16. }
Success #stdin #stdout 0s 4296KB
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0 3 6 3 0 0 1
stdout
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2
https://ideone.com/w6k5j6
7809(!)
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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