Cod sursa(job #2000714)

Utilizator MaligMamaliga cu smantana Malig Data 14 iulie 2017 15:12:29
Problema Sortare prin comparare Scor 40
Compilator cpp Status done
Runda Arhiva educationala Marime 0.99 kb
#include <iostream>
#include <fstream>
#include <unordered_map>
#include <cmath>

#define ll long long
using namespace std;
ifstream in("algsort.in");
ofstream out("algsort.out");

const int NMax = 1e6 + 5;
const int inf = 1e9 + 5;

int N;
int v[NMax];

void flip(int,int);

int main() {

    in>>N;
    for (int i=1;i <= N;++i) {
        in>>v[i];
    }

    int dr = N;
    while (dr > 1) {
        int mx = -inf, poz = -1;
        for (int i=1;i <= dr;++i) {
            if (v[i] > mx) {
                mx = v[i];
                poz = i;
            }
        }

        flip(1,poz-1);
        flip(1,poz);

        flip(1,dr);
        flip(1,dr-1);

        --dr;
    }

    for (int i=1;i <= N;++i) {
        out<<v[i]<<' ';
    }

    in.close();out.close();
    return 0;
}

void flip(int st,int dr) {
    int i = st, j = dr;

    while (i < j) {
        int temp = v[i];
        v[i] = v[j];
        v[j] = temp;

        ++i; --j;
    }
}