#include <iostream>
#include <vector>
int main() {
// Step 1: Declare a vector of integers
std::vector<int> myVector;
// Step 2: Add elements to the vector using push_back
myVector.push_back(10);
myVector.push_back(20);
myVector.push_back(30);
// Step 3: Access elements using [] operator
int firstElement = myVector[0];
// Step 4: Modify elements using [] operator
myVector[1] = 25;
// Step 5: Get the size of the vector
std::size_t vectorSize = myVector.size();
// Step 6: Iterate through the vector using a for loop
for (std::size_t i = 0; i < vectorSize; ++i) {
std::cout << myVector[i] << " ";
}
// Step 7: Clear all elements from the vector
myVector.clear();
// Step 8: Check if the vector is empty
bool isEmpty = myVector.empty();
return 0;
}