Cod sursa(job #1037285)

Utilizator miu_mik93FMI - Paduraru Miruna miu_mik93 Data 20 noiembrie 2013 00:09:32
Problema Sortare prin comparare Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.44 kb
#include <stdio.h>
#include <math.h>
#include <iostream>
#include <string>
#include <stdlib.h>
#include <assert.h>
#include <time.h>
#include <algorithm>
#include <vector>
#include <cstdio>
#include <cstring>
#include <fstream>
#include <queue>
#include<cstdlib>
using namespace std;
	
#define MAXN 500001

#define INF 1<<30

int main()
{
	int n, v[MAXN];
	
	FILE *f = fopen("algsort.in", "r");
	FILE *g = fopen("algsort.out", "w");
	
	fscanf(f, "%d", &n);

	for (int  i = 0; i < n; i++)
	{
		fscanf(f, "%d", &v[i]);
	}

	int len = sqrt(n);
	int lenInt = n / len; 
	if ( len * len != n )
	{
		len ++;
	}

	int vnou[MAXN], pozitii[MAXN], k = 0;

	//memset(vnou, INF, n);

	for (int i = 0 ; i < n; i++)
		vnou[i] = INF;

	for (int i = 0; i < n; i++)
	{
		if ( v[i] < vnou[i / lenInt] )
		{
			vnou[i / lenInt] = v[i];
			pozitii[i / lenInt] = i;
		}
	}
	int indiceMin = 0;
	for (int j = 0; j < n; j++)
	{
		int min = INF;
		for (int i = 0; i < len; i++)
		{
			if (min > vnou[i])
			{
				min = vnou[i];
				indiceMin = pozitii[i];
			}
		}
		fprintf(g, "%d ", min);
		
		v[indiceMin] = INF;
		vnou[indiceMin / lenInt] = INF;

		for (int z = (indiceMin / lenInt) * len; z < ((indiceMin / lenInt) + 1) * lenInt; z++)
		{
			if (v[z] < vnou[indiceMin / lenInt])
			{
				vnou[indiceMin / lenInt] = v[z];
				pozitii[indiceMin / lenInt] = z;
			}
		}
	}


	fclose(f); fclose(g);
	return 0;
}