Question

How to replace all the elements with specific value in vector using C++

Answer 1

#include <iostream>  
#include <vector>  
#include <algorithm>  

int main()
{
	std::vector<int> vec = { 2, 1, 7, 1, 6, 1, 9 };

	std::replace(vec.begin(), vec.end(), 1, 88);

	for (auto elem : vec) {
		std::cout << elem << ' ';
	}

	std::cout << std::endl;

	return 0;
}

/*
run:

2 88 7 88 6 88 9

*/

 

70+ SQL courses for beginners and professionals