Cod sursa(job #1957284)

Utilizator Liviu_Ionut_MoantaMoanta Ionut Liviu Liviu_Ionut_Moanta Data 7 aprilie 2017 14:18:45
Problema Radix Sort Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.88 kb
#include<fstream>
using namespace std;
ifstream fin("radixsort.in");
ofstream fout("radixsort.out");
long long n,a,b,c,ok,i,j,e,x;
int f[270],s[270];
int v[10000003],w[10000003];
int main(){
    fin>>n>>a>>b>>c;
    v[1]=b;
    for(i=2;i<=n;i++){
        e=a*v[i-1]%c;
        e+=b;
        e=e%c;
        v[i]=e;
    }
    for(j=1;j<=4;j++){
        for(i=0;i<256;i++){
            f[i]=0;
        }
        for(i=1;i<=n;i++){
            x=(v[i]>>ok)%256;
            f[x]++;
        }
        s[0]=f[0];
        for(i=1;i<256;i++){
            s[i]=s[i-1]+f[i];
        }
        for(i=n;i>=1;i--){
            s[(v[i]>>ok)%256]--;
            x=s[(v[i]>>ok)%256];
            w[x+1]=v[i];
        }
        for(i=1;i<=n;i++){
            v[i]=w[i];
        }
        ok+=8;
    }
    for(i=1;i<=n;i+=10){
        fout<<v[i]<<" ";
    }
    return 0;
}