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Promi_38

cf 1228A

Oct 2nd, 2021
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C++ 0.34 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     int l, r;
  8.     scanf("%d %d", &l, &r);
  9.    
  10.     for(int i = l; i <= r; i++)
  11.     {
  12.         int x = i;
  13.         int c = 0;
  14.         set<int>s;
  15.         while(x > 0)
  16.         {
  17.             c++;
  18.             s.insert(x % 10);
  19.             x /= 10;
  20.         }
  21.         if(s.size() == c)
  22.         {
  23.             printf("%d\n", i);
  24.             return 0;
  25.         }
  26.     }
  27.     printf("-1\n");
  28. }
  29.  
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