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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	long long  int A[10^5],B[10^5];
  6.     int n;
  7.     int pro,temp,diff;
  8.     int maxDiff=0,minSum=0;
  9.     int K;
  10.     cin>>n>>K;
  11.     for(int i=0;i<n;i++)
  12.     {
  13.         cin>>A[i];
  14.         cin>>B[i];
  15.     }
  16.     for(int i=0;i<n;i++)
  17.     {
  18.         pro=A[i]*B[i];
  19.         if(pro<0 && B[i]<0)
  20.         temp=(A[i]+2 * K)* B[i];
  21.         else if(pro<0 && A[i]<0)
  22.         temp=(A[i]-2 * K)* B[i];
  23.         else if(pro>0 && A[i]<0)
  24.         temp=(A[i]+ 2* K)* B[i];
  25.         else if(pro>0 && A[i]>0)
  26.         temp=(A[i]- 2*K) *B[i];
  27.         diff=abs(pro-temp);
  28.         if(diff>maxDiff)
  29.         maxDiff=diff;
  30.         minSum=minSum+pro;
  31.     }
  32.  
  33.     minSum=minSum-maxDiff;
  34.     cout<<"\n"<<minSum;
  35. 	return 0;
  36. }
Success #stdin #stdout 0s 16064KB
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https://ideone.com/PRbYqI
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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