1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
|
// partition_point example
#include <iostream> // std::cout
#include <algorithm> // std::partition, std::partition_point
#include <vector> // std::vector
bool IsOdd (int i) { return (i%2)==1; }
int main () {
std::vector<int> foo {1,2,3,4,5,6,7,8,9};
std::vector<int> odd;
std::partition (foo.begin(),foo.end(),IsOdd);
auto it = std::partition_point(foo.begin(),foo.end(),IsOdd);
odd.assign (foo.begin(),it);
// print contents of odd:
std::cout << "odd:";
for (int& x:odd) std::cout << ' ' << x;
std::cout << '\n';
return 0;
}
| |