push back values in a 2d vector cpp code example
Example 1: 2d vector pusph back
std::vector<std::vector<int>> normal;
for(int i=0; i<10; i++)
{
//push a vector each time you loop a row
normal.push_back(std::vector<int>());
for(int j=0; j<20; j++)
{
//push an item each time you loop a column
normal[i].push_back(j);
}
}
Example 2: find vector push_back in c++
//Let us say we have a vector v with elements {1, 2, 3, 4}
//To pushback 5
v.push_back(5);