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  1. #include <iostream>
  2. #include <vector>
  3. #include <string>
  4. #include <limits>
  5. #include <algorithm>
  6. #include <iterator>
  7. using namespace std;
  8.  
  9. struct Object {
  10.     std::string name;
  11.     int a;
  12.     int b;
  13.     int c;
  14. };
  15.  
  16. class ObjectCollection {
  17. public:
  18.     std::vector<Object> collection;
  19.     size_t getMaxIndexOfA();
  20.     size_t getMaxIndexOfB();
  21.     size_t getMaxIndexOfC();
  22. };
  23.  
  24. size_t ObjectCollection::getMaxIndexOfA() {
  25.     return std::distance(collection.begin(), std::max_element(collection.begin(), collection.end(), 
  26.          [](auto &o1, auto &o2){ return o1.a<o2.a; }));
  27. }
  28. size_t ObjectCollection::getMaxIndexOfB() {
  29.     return std::distance(collection.begin(), std::max_element(collection.begin(), collection.end(), 
  30.          [](auto &o1, auto &o2){ return o1.b<o2.b; }));
  31. }
  32. size_t ObjectCollection::getMaxIndexOfC() {
  33.     return std::distance(collection.begin(), std::max_element(collection.begin(), collection.end(), 
  34.          [](auto &o1, auto &o2){ return o1.c<o2.c; }));
  35. }
  36. int main() {
  37. 	ObjectCollection c;  
  38. 	c.collection.push_back({"test0" , 1,2,3 }); 
  39. 	c.collection.push_back({"test1" , 2,1,4 }); 
  40. 	c.collection.push_back({"test2" , 3,1,2 }); 
  41. 	cout << c.getMaxIndexOfA() <<" " << c.getMaxIndexOfB() <<" " << c.getMaxIndexOfC() <<endl; 
  42. 	return 0;
  43. }
Success #stdin #stdout 0s 4364KB
comments (?)
stdin 
Standard input is empty
stdout 
2 0 1
https://ideone.com/XcQWZW
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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