Question

How to shuffle a vector in C++

Answer 1

#include <iostream>
#include <vector>
#include <random>
#include <algorithm>
#include <chrono>

using std::cout;
using std::endl;

int main()
{
	std::vector<int> vec(10);

	std::mt19937 gen(std::chrono::system_clock::now().time_since_epoch().count());

	for (int i = 0; i < 10; i++)
		vec[i] = i;

	std::shuffle(vec.begin(), vec.end(), gen);

	for (auto i : vec) {
		cout << i << " ";
	}

	cout << endl;

	return 0;
}


/*
run:

4 9 8 2 7 0 1 5 3 6

*/

 

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