Cod sursa(job #1290488)

Utilizator mirceadinoMircea Popoveniuc mirceadino Data 11 decembrie 2014 12:37:35
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.95 kb
#include<algorithm>
#include<bitset>
#include<cmath>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<ctime>
#include<deque>
#include<fstream>
#include<iomanip>
#include<iostream>
#include<map>
#include<queue>
#include<set>
#include<stack>
#include<unordered_map>
#include<unordered_set>
#include<utility>
#include<vector>

using namespace std;

#define dbg(x) (cout<<#x<<" = "<<(x)<<'\n')
#ifdef HOME
const string inputFile = "input.txt";
const string outputFile = "output.txt";
#else
const string problemName = "algsort";
const string inputFile = problemName + ".in";
const string outputFile = problemName + ".out";
#endif // HOME

typedef long long int lld;
typedef pair<int, int> PII;
typedef pair<int, lld> PIL;
typedef pair<lld, int> PLI;
typedef pair<lld, lld> PLL;

const int INF = (1LL << 30) - 1;
const lld LINF = (1LL << 62) - 1;
const int dx[] = {1, 0, -1, 0, 1, -1, 1, -1};
const int dy[] = {0, 1, 0, -1, 1, -1, -1, 1};
const int MOD = (int)(1e9) + 7;

const int NMAX = 500000 + 5;
const int MMAX = 100000 + 5;
const int KMAX = 100000 + 5;
const int PMAX = 100000 + 5;
const int LMAX = 100000 + 5;
const int VMAX = 100000 + 5;

int N;
int V[NMAX];

void qsort(int lo, int hi) {
    if(lo >= hi)
        return;

    int p = V[lo + (rand() % (hi - lo + 1))];
    int i, j;

    for(i = lo, j = hi; i < j;) {
        while(V[i] < p)
            i++;

        while(V[j] > p)
            j--;

        if(i <= j) {
            swap(V[i], V[j]);
            i++;
            j--;
        }
    }

    qsort(lo, j);
    qsort(i, hi);
}

int main() {
    int i;

#ifndef ONLINE_JUDGE
    freopen(inputFile.c_str(), "r", stdin);
    freopen(outputFile.c_str(), "w", stdout);
#endif

    srand(time(0));

    scanf("%d", &N);

    for(i = 1; i <= N; i++)
        scanf("%d", &V[i]);

    qsort(1, N);

    for(i = 1; i <= N; i++)
        printf("%d ", V[i]);

    return 0;
}