Cod sursa(job #2648771)

Utilizator buhaidarius@gmail.comBuhai Darius [email protected] Data 12 septembrie 2020 12:52:48
Problema Radix Sort Scor 30
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.92 kb
#include <iostream>
#include <fstream>

using namespace std;

const int MAXN = 1e7+1;

ifstream fin("radixsort.in");
ofstream fout("radixsort.out");

int n, a, b, c;
int v[MAXN];

void count_sort(int pow){
    int output[n];
    int i, count[10] = {0};
    
    for (i = 0; i < n; i++)
        count[(v[i]/pow)%10 ]++;
    
    for (i = 1; i < 10; i++)
        count[i] += count[i - 1];
    
    for (i = n - 1; i >= 0; i--){
        output[count[(v[i]/pow)%10 ]-1] = v[i];
        count[(v[i]/pow)%10]--;
    }
    for (i = 0; i < n; i++)
        v[i] = output[i];
}

int maxi_d(){
    int mv = v[0] = b;
    for(int i=1;i<n;i++){
        v[i] = (a*v[i-1]+b)%c;
        mv = max(mv, v[i]);
    }
    return mv;
}

void radix_sort(){
    int maxi = maxi_d();
    for(int pow = 1;maxi/pow>0;pow*=10)
        count_sort(pow);
}

int main() {
    fin>>n>>a>>b>>c;
    radix_sort();
    for(int i=0;i<n;i+=10)
        fout<<v[i]<<' ';
    return 0;
}