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  1. #include <iostream>
  2. #include <string>
  3. #include <algorithm>
  4. #include <vector>
  5. using namespace std;
  6. int main() {
  7.    string a,b,c,mixi;
  8.    int x = 0;
  9.    cin >> a >> b >> c;
  10.    string virus;
  11.    if (a.length() <= b.length() && a.length() <= c.length()){
  12.        mixi = a;
  13.    }
  14.    else if (b.length() <= a.length() && b.length() <= c.length()){
  15.        mixi = b;
  16.    }
  17.    else{
  18.        mixi = c;
  19.    }
  20.    for (int i = 1;i <= mixi.length();i++){
  21.        x = 0;
  22.        for (int l = 0;l < mixi.length() - i + 1;l++){
  23.            string s;
  24.            for (int j = 0;j < i;j++){
  25.                s = s + mixi[l + j];
  26.            }
  27.            if (a.find(s) != std::string::npos && b.find(s) != std::string::npos && c.find(s) != std::string::npos){
  28.                virus = s;
  29.                x = 1;
  30.                break;
  31.            }
  32.        }
  33.        if (x == 0){
  34.            break;
  35.        }
  36.    }
  37.    cout << virus;
  38.    return 0;
  39. }
Success #stdin #stdout 0s 4512KB
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https://ideone.com/a0O5z0
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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