Cod sursa(job #1299726)

Utilizator deea101Andreea deea101 Data 23 decembrie 2014 20:39:21
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.74 kb
#include <fstream>
#include <iostream>
#include <vector>
using namespace std;

ifstream f("algsort.in");
ofstream g("algsort.out");

const int NMAX = 500001;
const int BASE = 10;
unsigned int v[NMAX],N;

vector <unsigned int> bucket[BASE+1];

int main()
{
	
	f>>N;

	//int A,B,C;
	//f>>A>>B>>C;
	
	int i,j,k;
	
	//v[1]=B;
	f>>v[1];
	unsigned int bestN = v[1];
	for(i=2;i<=N;i++)
	{
		f>>v[i];
		bestN=max(v[i],bestN);
	}
	
	for(unsigned int shift=1;shift<=bestN && shift>0; shift*=10)
	{
		for(i=1;i<=N;i++)
			bucket[(v[i]/shift)%BASE].push_back(v[i]);
		
		k=0;
		for(i=0;i<BASE;bucket[i].clear(),i++)
			for(j=0;j<bucket[i].size();j++)
				v[++k]=bucket[i][j];
		
	}
	
	for(i=1;i<=N;i++)
		g<<v[i]<<' ';
}