Answers for "c++ vector get first element"

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c++ vector get first element

// vector::front
#include <iostream>
#include <vector>

int main () {

  std::vector<int> myvector;
  myvector.push_back(78);
  myvector.push_back(16);
  // now front equals 78, and back 16
  
  int first = myvector.front(); //first = 78
  std::cout << "the first value in vector is " << first << std::endl;
  return 0;
}

Posted by: Guest on March-11-2021

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