sets in c 2b 2b

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showing results for - "sets in c 2b 2b"
Caiden
16 Jan 2020
1// constructing sets
2#include <iostream>
3#include <set>
4
5bool fncomp (int lhs, int rhs) {return lhs<rhs;}
6
7struct classcomp {
8  bool operator() (const int& lhs, const int& rhs) const
9  {return lhs<rhs;}
10};
11
12int main ()
13{
14  std::set<int> first;                           // empty set of ints
15
16  int myints[]= {10,20,30,40,50};
17  std::set<int> second (myints,myints+5);        // range
18
19  std::set<int> third (second);                  // a copy of second
20
21  std::set<int> fourth (second.begin(), second.end());  // iterator ctor.
22
23  std::set<int,classcomp> fifth;                 // class as Compare
24
25  bool(*fn_pt)(int,int) = fncomp;
26  std::set<int,bool(*)(int,int)> sixth (fn_pt);  // function pointer as Compare
27
28  return 0;
29}
María Camila
22 May 2016
1set<int>s; //Creates a set of integers.
2
queries leading to this page
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