Cod sursa(job #2325929)

Utilizator StefanZamfirStefan Zamfir StefanZamfir Data 23 ianuarie 2019 11:01:08
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.62 kb
#include <iostream>
#include <queue>
#include <stack>
#include <map>
#include <cstdio>
#include <cmath>
#include <cstring>
#include <set>
#include <algorithm>
#include <bitset>
#include <time.h>
#include <tuple>
#include <fstream>
#include <iomanip>
#include <utility>

#pragma warning "da 100% din tine. :)"
#define nl '\n'
#define sp ' '
#define pb(x) push_back(x)
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define SIZE 3000
#define NR 105
#define N 11
#define INF 10000
#define ll long long
#define ull unsigned ll

using namespace std;


//ifstream cin("miting.in");
//ofstream cout("miting.out");

double logXBaseY(ll X, ll Y) {
    return log2(X) / log2(Y);
}

long long exp_log(long long x, long long n) {
    long long int r = 1;
    while (n) {
        if (n & 1)
            r = (1LL * r * x);
        x = (1LL * x * x);
        n /= 2;
    }
    return r;
}

int n;
int ver[10];
vector<int> v;

template<class v, class type>
void print(v Vector, type nr) {
    for_each(all(Vector), [](type x) {
        cout << x << ' ';
    });
    cout << nl;
}

void perm(int pas) {
    if (pas == n) {
        print(v, (int) 0);
        return;
    }
    for (int i = 1; i <= n; ++i) {
        if (!ver[i]) {
            ver[i] = 1;
            v.pb(i);
            perm(pas + 1);
            v.pop_back();
            ver[i] = 0;
        }
    }
}

int main() {
    ios_base::sync_with_stdio(false);
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    clock_t tStart = clock();
    cin >> n;
    perm(0);
    //    printf("\nTime taken: %.2fs\n", (double) (clock() - tStart) / CLOCKS_PER_SEC);
}