c++ initialize vector of vector with size
vector<vector<int>> v(10, vector<int>(10));c++ initialize vector of vector with size
vector<vector<int>> v(10, vector<int>(10));c++ vector size
#include <vector>
int main() {
std::vector<int> myVector = { 666, 1337, 420 };
size_t size = myVector.size(); // 3
myVector.push_back(399); // Add 399 to the end of the vector
size = myVector.size(); // 4
}vectors c++ set the size
#include <iostream>
#include <vector>
using namespace std;
int main(void) {
vector<int> v;
cout << "Initial vector size = " << v.size() << endl;
v.resize(5, 10);
cout << "Vector size after resize = " << v.size() << endl;
cout << "Vector contains following elements" << endl;
for (int i = 0; i < v.size(); ++i)
cout << v[i] << endl;
return 0;
}c++ create vector of size
// create a vector with 20 integer elements
std::vector<int> arr(20);
for(int x = 0; x < 20; ++x)
arr[x] = x;declare vector of size n in c++
#include <vector>
auto n = 20
// create a vector with n=20 integer elements
std::vector<int> arr(n);c++ vector initialize size
vector<Entry> array(1000);//size of 1000Copyright © 2021 Codeinu
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