Cod sursa(job #1222444)

Utilizator SebiSebiPirtoaca George Sebastian SebiSebi Data 23 august 2014 12:21:40
Problema Radix Sort Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.06 kb
#include<iostream>
#include<fstream>
#include<vector>
using namespace std;

#define NMAX 10000001

int v[NMAX],P[10];
vector <int> s[10];

int cifre(int x)
{
	if(x==0)
		return 0;
	return 1+cifre(x/10);
}

void radix(int p, int q, int digit)
{
	int i,j,k;
	if(p==q || digit==-1)
		return ;
	for(i=p;i<=q;i++) 
		s[(v[i]/P[digit])%10].push_back(v[i]);
	j=p-1;
	for(i=0;i<=9;i++) {
		for(vector <int> :: iterator it=s[i].begin();it!=s[i].end();it++)
			v[++j]=*it;
		s[i].clear();
	}
	for(i=p;i<=q;i++) {
		k=(v[i]/P[digit])%10;
		j=i;
		while((v[j+1]/P[digit])%10==k)
			j++;
		radix(i,j,digit-1);
		i=j;
	}
}

int main () 
{
	int n,i,x,a,b,c,l;
	ifstream f("radixsort.in");
	ofstream g("radixsort.out");
	f>>n>>a>>b>>c;
	v[1]=b;
	for(i=2;i<=n;i++) 
		v[i]=(0LL+1LL*a*v[i-1]+b)%c;
	f.close();
	l=-1;
	for(i=1;i<=n;i++) {
		if(v[i]==0)
			x=1;
		else x=cifre(v[i]);
		if(x>l)
			l=x;
	}
	l--;
	P[0]=1;
	for(i=1;i<=l;i++)
		P[i]=P[i-1]*10;
	radix(1,n,l);
	for(i=1;i<=n;i=i+10)
		g<<v[i]<<" ";
	g.close();
	return 0;
}