15651번 N과 M (3)

https://www.acmicpc.net/problem/15651

#include <iostream>
#include <queue>
#include <stack>
#include <cstdio>
#include <vector>
#include <cstring>
#include <string>
#include <math.h>
#include <algorithm>
#include <map>
#include <set>
 
#pragma warning(disable:4996)  
#pragma comment(linker, "/STACK:336777216")
 
using namespace std;
 
int M = 0, N = 0;
 
void simulation(vector<int> vc)
{
    if (vc.size() == M)
    {
        for (auto v : vc) printf("%d ", v);        
 
        printf("\n");
 
        return;
    }
 
    for (int i = 1; i <= N; i++)
    {
        vc.push_back(i);
 
        simulation(vc);
 
        vc.pop_back();
    }
}
 
int main(void)
{
    scanf("%d %d", &N, &M);
 
    vector<int> vc;
 
    simulation(vc);
 
    return 0;
}