Cod sursa(job #2499135)

Utilizator denmirceaBrasoveanu Mircea denmircea Data 25 noiembrie 2019 14:19:55
Problema Radix Sort Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.71 kb
#include <bits/stdc++.h>
#define mod 255
using namespace std;
ifstream fin("radixsort.in");
ofstream fout("radixsort.out");
int n,v[10000002],w[10000002],i,p;
int fr[257];
int main()
{
    long long a,b,c;
    fin>>n>>a>>b>>c;
    v[1]=b;
    for(i=2; i<=n; i++)
        v[i]=(a*v[i-1]+b)%c;
    for(p=0; p<=24; p+=8)
    {
        memset(fr,0,sizeof(fr));
        fr[0]=1;
        for(i=1; i<=n; i++)
            fr[((v[i]>>p)&mod)+1]++;
        for(i=1; i<=256; i++)
            fr[i]+=fr[i-1];
        for(i=1; i<=n; i++)
        {
            int x=v[i];
            w[fr[((x>>p)&mod)]++]=x;
        }
        memcpy(v,w,sizeof(v));
    }
    for(i=1;i<=n;i+=10)
        fout<<v[i]<<" ";
}