c++ initialize size of 3d vector
#include <iostream>
#include <vector>
int main() {
int x_size = 2;
int y_size = 3;
int z_size = 4;
std::vector<std::vector<std::vector<int>>> threeDVector(x_size, std::vector<std::vector<int>>(y_size, std::vector<int>(z_size)));
return 0;
}