1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
#include <iostream>
#include <vector>
/*
*
* 9.34
*
*
*/
int main () {
// Prediction: The program will get stuck on the first odd value and keep inserting it indefinitely
std::vector<int> vi = {1,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
auto iter = vi.begin();
while (iter != vi.end()) {
if (*iter % 2) { // when it's odd
iter = vi.insert(iter, *iter); // insert copy of *iter before iter, return iterator to inserted value
std::cout << "inserted value: " << *iter << "\n";
}
++iter; // go one step forwards
}
return 0;
}
|
