Cod sursa(job #1845767)

Utilizator ASD135Radu M ASD135 Data 11 ianuarie 2017 21:13:22
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.05 kb
#include <cstdio>
#include <cstring>
#include <iostream>
 
FILE* in=fopen("algsort.in","r");
FILE* out=fopen("algsort.out","w");
 
using namespace std;

int n,a,b,c;
 
const int Q=10000007;
 
unsigned int v[Q];
 
unsigned int aux[Q];
 
int cate[255];
 
int main()
{
	freopen("algsort.in","r",stdin);
	freopen("algsort.out","w",stdout);
    cin>>n;

    for(int i=1; i<=n; i++)
    {
    	cin>>v[i];
    }
 
    int go;
 
    for(int k=0; k<32; k+=8)
    {
        memset(cate,0,sizeof cate);
        for(int i=1; i<=n; i++)
        {
            go=((v[i])>>k)&255;
            cate[go]++;
        }
 
        for(int i=1; i<256; i++)
            cate[i]+=cate[i-1];
 
        for(int i=255; i>0; i--)
        {
            cate[i]=cate[i-1];
        }
        cate[0]=0;
 
        for(int i=1; i<=n; i++)
        {
            go=((v[i])>>k)&255;
            aux[++cate[go]]=v[i];
        }
        for(int i=1; i<=n; i++)
        {
            v[i]=aux[i];
        }
 
    }
 
    for(int i=1; i<=n; i+=1)
    {
        fprintf(out,"%d ",v[i]);
    }
 
 
 
    return 0;
}