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  1. #include <iostream>
  2. #include <map>
  3. #include <string>
  4. using namespace std;
  5.  
  6. int main ()
  7. {
  8.   std::map<char,int> mymap;
  9.  
  10.   mymap['a']=10;
  11.   mymap['b']=20;
  12.   mymap['d']=40;
  13.   mymap['e']=50;
  14.  
  15.     for (auto ch : string("@abcdef")) {
  16.     map<char,int>::const_iterator iter = mymap.lower_bound(ch);
  17.         if (iter->first == ch || iter != mymap.begin()) {
  18.             if (iter->first != ch) --iter;
  19.             cerr << ch << ":" << iter->second << endl;
  20.         } else {
  21.             cerr << ch << ":" << "<default>" << endl;
  22.         }
  23.     }
  24. }
Success #stdin #stdout #stderr 0s 3428KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
@:<default>
a:10
b:20
c:20
d:40
e:50
f:50
https://ideone.com/XK4Ccp
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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