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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. main(){
  5.     int n;
  6.     cin>>n;
  7.     vector<int>male(n),female(n);
  8.     for(auto &it:male)cin>>it;
  9.     for(auto &it:female)cin>>it;
  10.     sort(male.begin(),male.end());
  11.     sort(female.begin(),female.end());
  12.     int i=0,j=n-1,cnt=0;
  13.     while(i<n&&j>=0){
  14.         if(male[i]<=0&&female[j]>=0){
  15.             if(abs(male[i])>female[j]){
  16.                 cnt++;
  17.                 i++;
  18.                 j--;
  19.             }
  20.             else j--;
  21.         }
  22.         else if(male[i]>=0&&female[j]<=0){
  23.             if(male[i]<abs(female[j])){
  24.                 cnt++;
  25.                 i++;
  26.                 j--;
  27.             }
  28.             else j--;
  29.         }
  30.         else{
  31.             i++;
  32.         }
  33.     }
  34.     cout<<cnt<<"\n";
  35. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/WUkVYz
language:
C++14 (gcc 8.3)
created:
9 hours ago
visibility:
public

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