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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.   int x[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
  6.   char c;
  7.   int  k,s=0;
  8.   while((c=cin.get())!= EOF){
  9.   	x[(int)c-48]++;//перевод символов в цифры
  10.   }
  11.   for(int i=0;i<10;i++){
  12.   	k=x[i]/2;
  13.   	s=s+k;
  14.   }
  15.   cout << s << endl;
  16.  
  17.   return 0;
  18. }
Success #stdin #stdout 0s 4536KB
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https://ideone.com/YqQCnm
7809
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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