Answers for "how to define the size of a vector"

C++
17

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
}
Posted by: Guest on May-16-2020
1

set size of a vector c++

void resize (size_type n, value_type val = value_type());
Posted by: Guest on February-26-2022

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