Cod sursa(job #2013650)

Utilizator Vlad3108Tir Vlad Ioan Vlad3108 Data 21 august 2017 23:07:51
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.07 kb
#include <bits/stdc++.h>
using namespace std;
#define LMAX 10000005
/// Aleg baza 256
#define bits 8
int v[LMAX],aux[LMAX],Max=0;
inline int GetBucket(int x,int poz){
    return ((((1<<bits)-1)<<(bits*(poz-1)))&x)>>(bits*(poz-1));
}
inline void CountSort(int *v,int n,int poz){
    int count[1<<bits]={0};
    for(int i=1;i<=n;++i)
        ++count[GetBucket(v[i],poz)];
    for(int i=1;i<(1<<bits);++i)
        count[i]+=count[i-1];
    for(int i=n;i;--i)
        aux[count[GetBucket(v[i],poz)]--]=v[i];
    for(int i=1;i<=n;++i)
        v[i]=aux[i];
}
inline void RadixSort(int *v,int n){
    for(int i=1;i<=4;++i)
        CountSort(v,n,i);
}
int main(){
    freopen("radixsort.in","r",stdin);
    freopen("radixsort.out","w",stdout);
    long long n,a,b,c;
    scanf("%lld %lld %lld %lld",&n,&a,&b,&c);
    for(int i=1;i<=n;++i){
        long long x=(a*v[i-1]+b)%c;
        v[i]=(int)x;
        if(v[i]>Max) Max=v[i];
    }
    RadixSort(v,n);
    for(int i=1;i<=n;i+=10)
        printf("%d ",v[i]);
    fclose(stdin);fclose(stdout);
    return 0;
}