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  1.     #include <iostream>
  2.     #include <cstring>
  3.     #include <string>
  4.     #include <algorithm>
  5.     #include <map>
  6.     using namespace std;
  7.  
  8.     int main() {
  9.     	int arr[256];
  10.  
  11.     	memset(&arr, 0, sizeof(int) * 256);
  12.     	string str;
  13.     	cin >> str;
  14.     	for (const auto& chr : str)
  15.     	{
  16.     		arr[chr] += 1;
  17.     	}
  18.  
  19.     	for (int i = 0; i < 255; i++)
  20.     	{
  21.     		if (arr[i] == 1)
  22.     		{
  23.     			cout << (char)i;
  24.     		}
  25.     	}
  26.     	return 0;
  27.     }
Success #stdin #stdout 0s 15240KB
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mamky_tvoy_ebal
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beklotv
https://ideone.com/BAb3Nd
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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