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  1. #include <iostream>
  2. #include <vector>
  3. #include <map>
  4. #include <stdlib.h>
  5.  
  6. int main()
  7. {
  8.     int comparevalue = 3;
  9.     typedef std::vector<int> intvec;
  10.     intvec myvec;
  11.  
  12.     myvec.push_back(1);
  13.     myvec.push_back(2);
  14.     myvec.push_back(4);
  15.     myvec.push_back(5);
  16.     myvec.push_back(6);
  17.     myvec.push_back(7);
  18.  
  19.     typedef std::map<int, int> intmap;
  20.     intmap mymap;
  21.  
  22.     for (intvec::const_iterator itr = myvec.begin(); itr != myvec.end(); ++itr)
  23.         mymap.insert(std::make_pair(abs(*itr-comparevalue), *itr));
  24.  
  25.     std::cout << "difference:" << mymap.begin()->first << "\n";
  26.     std::cout << "value:" << mymap.begin()->second;
  27.     return 0;
  28. }
Success #stdin #stdout 0s 3032KB
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stdin
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Standard input is empty
stdout
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difference:1
value:2
https://ideone.com/ff46ax
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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