Cod sursa(job #2522079)

Utilizator armigheGheorghe Liviu Armand armighe Data 11 ianuarie 2020 22:43:49
Problema Radix Sort Scor 70
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.94 kb
#include<bits/stdc++.h>
#define R 65535//2^16-1
using namespace std;
FILE *f=fopen("radixsort.in","r");
ofstream g("radixsort.out");
int v[2][10000002],w[10000002],a[R+2],n;

inline void citire()
{
    int A,B,C,i;
    fscanf(f,"%d%d%d%d",&n,&A,&B,&C);
    v[0][1]=B;
    for(i=2;i<=n;i++)
        v[0][i]=(1LL*v[0][i-1]*A+B)%C;
}

inline void rez()
{
    int i;
    for(i=1;i<=n;i++)
    {
        w[i]=v[0][i]&R;
        a[w[i]]++;
    }
    for(i=1;i<=R;i++)
        a[i]+=a[i-1];
    for(i=n;i;i--)
        v[1][a[w[i]]--]=v[0][i];
    for(i=0;i<=R;i++)
        a[i]=0;
    for(i=1;i<=n;i++)
    {
        w[i]=(v[1][i]>>16)&R;
        a[w[i]]++;
    }
    for(i=1;i<=R;i++)
        a[i]+=a[i-1];
    for(i=n;i;i--)
        v[0][a[w[i]]--]=v[1][i];
}

inline void afis()
{
    int i;
    for(i=1;i<=n;i+=10)
        g<<v[0][i]<<" ";
}

int main()
{
    citire();
    rez();
    afis();
    return 0;
}