push front vector cpp
myvector.insert(myvector.begin(), value);
push front vector cpp
myvector.insert(myvector.begin(), value);
Insert into vector C++
// inserting into a vector
#include <iostream>
#include <vector>
int main ()
{
std::vector<int> myvector (3,100);
std::vector<int>::iterator it;
it = myvector.begin();
it = myvector.insert ( it , 200 );
myvector.insert (it,2,300);
// "it" no longer valid, get a new one:
it = myvector.begin();
std::vector<int> anothervector (2,400);
myvector.insert (it+2,anothervector.begin(),anothervector.end());
int myarray [] = { 501,502,503 };
myvector.insert (myvector.begin(), myarray, myarray+3);
std::cout << "myvector contains:";
for (it=myvector.begin(); it<myvector.end(); it++)
std::cout << ' ' << *it;
std::cout << 'n';
return 0;
}
cpp pushfront vector
#include <vector>
int main() {
std::vector<int> v{ 1, 2, 3, 4, 5 };
v.insert(v.begin(), 6);
}
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