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  1. #include <string>
  2. #include <iostream>
  3. #include <map>
  4. #include <string>
  5.  
  6. using namespace std;
  7.  
  8. int main(){
  9.  
  10.   typedef std::map<std::string,int>  mapT;
  11.  
  12.     mapT my_map;
  13.     my_map["2010-01-26 17:02:12"]= 1;
  14.     my_map["2010-01-25 08:55:29"]= 2;
  15.     my_map["2010-01-24 08:55:29"]= 3;
  16.      my_map["2010-01-23 08:55:29"]= 4;
  17.  
  18.     string timestamp = "2010-01-24 08:55:30"; //  should return 3
  19.  
  20.  
  21.     cout<<"using upper bound"<<endl;
  22.     mapT::iterator  it= my_map.find(timestamp);
  23.     if(it == my_map.end()) {
  24.       mapT::iterator itup = my_map.upper_bound(timestamp);
  25.       cout<<itup->second<<endl;
  26.  
  27.     }
  28.      cout<<"using lower bound"<<endl;
  29.      it= my_map.find(timestamp);
  30.     if(it == my_map.end()) {
  31.       mapT::iterator itlow = my_map.lower_bound(timestamp);
  32.     cout<<itlow->second<<endl;
  33.     }
  34.  
  35.  
  36.     return 0;
  37. }
  38.  
Success #stdin #stdout 0s 3068KB
comments ()
stdin 
Standard input is empty
stdout 
using upper bound
2
using lower bound
2
https://ideone.com/MnRLIH
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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