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Persian Party

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Mar 4th, 2019
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C++ 0.42 KB | None | 0 0
  1. #include <iostream>
  2. int main(){
  3.     unsigned long n;
  4.         std::cin>> n;
  5.        
  6.     unsigned long a[n], d[n], i=0, j=0, v=0;
  7.         for(i=0; i<n; i++){
  8.             std::cin>> a[i];
  9.             std::cin>> d[i];
  10.         }
  11.  
  12.     for(i=0; i<n; i++){
  13.         for(j=0; j<n; j++){      
  14.             if(a[i]<d[j]){       
  15.                 if(a[i]>a[j])
  16.                     v++;
  17.             }
  18.         }
  19.     }
  20.     std::cout<<(v+n)*2;
  21. }
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