Cod sursa(job #2522055)

Utilizator armigheGheorghe Liviu Armand armighe Data 11 ianuarie 2020 22:08:14
Problema Radix Sort Scor 70
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.92 kb
#include<bits/stdc++.h>
#define R 65535//2^16-1
using namespace std;
FILE *f=fopen("radixsort.in","r");
FILE *g=fopen("radixsort.out","w");
int v[2][10000002],w[10000002],a[R+2];

inline void rez()
{
    int n,i,A,B,C;
    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;
    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>=1;i--)
    {
        v[1][a[w[i]]]=v[0][i];
        a[w[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>=1;i--)
    {
        v[0][a[w[i]]]=v[1][i];
        a[w[i]]--;
    }
    for(i=1;i<=n;i+=10)
        fprintf(g,"%d ",v[0][i]);
}

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