Cod sursa(job #2562978)

Utilizator gabrielinelusGabriel-Robert Inelus gabrielinelus Data 29 februarie 2020 20:52:48
Problema Radix Sort Scor 30
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.89 kb
#include <cstdio>
#include <vector>
 
#define MASK 255 /// 8 biti
#define Lim 256
 
using namespace std;
vector<int> v;
int N,A,B,C;
 
void Read()
{
    scanf("%d%d%d%d",&N,&A,&B,&C);
    v.resize(N+1);
    v[1] = B;
    for(int i = 2; i <= N; ++i)
        v[i] = (1LL * A * v[i-1] + B) % C;
}
 
void Radix_Sort(int k)
{
    vector<int> bucket[Lim];
    for(int i = 1; i <= N; ++i)
        bucket[ ((v[i])>>k) & MASK ].push_back(v[i]);
    int pz = 0;
    for(int i = 0; i <= MASK; ++i)
        for(vector<int>::iterator it = bucket[i].begin(); it != bucket[i].end(); ++it)
            v[++pz] = *it;
}
 
void Solve()
{
    for(int i = 0; i <= 3; ++i)
        Radix_Sort(8*i);
}
 
void Print()
{
    for(int i = 1; i <= N; i += 10)
        printf("%d ",v[i]);
}
 
int main()
{
    freopen("radixsort.in","r",stdin);
    freopen("radixsort.out","w",stdout);
 
    Read();
    Solve();
    Print();
 
    return 0;
}