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  1. #include <vector>
  2. #include <string>
  3. #include <algorithm>
  4. #include <iostream>
  5. #include <iomanip>
  6.  
  7. using namespace std;
  8.  
  9. int main(int argc, char * argv[])
  10. {
  11.     vector<int> v;
  12.     v.reserve(36000000);
  13.     for(int i = 1; i <= 6000; ++i)
  14.         for(int j = 6001; j <= 12000; ++j)
  15.             v.push_back(i*j);
  16.     sort(v.begin(),v.end());
  17.     long long s = 0;
  18.     for(int x: v) s += x;
  19.     cout << s;
  20. }
  21.  
Success #stdin #stdout 1.84s 143488KB
comments (?)
stdin 
Standard input is empty
stdout 
972216009000000
https://ideone.com/msk6ZY
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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