Cod sursa(job #2212382)

Utilizator b10nd3Oana Mancu b10nd3 Data 13 iunie 2018 22:00:44
Problema Radix Sort Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 0.78 kb
#include<iostream>
#include<fstream>
#include<string.h>

using namespace std;
#define MAX 10000001
const int crit=1<<16;
int v[MAX], group[crit+1], aux[MAX];

int main(){
	ifstream in("radixsort.in");
	int n, a, b, c;
	in>>n>>a>>b>>c;
	int i;
	in.close();
	v[1]=b; group[b%crit]++;
	for(i=2;i<=n;i++){
		v[i]=(a*v[i-1]+b)%c;
		group[v[i]%crit]++;
	} 
	for(i=1;i<=crit;i++) group[i]+=group[i-1];
	for(i=n;i>=1;i--){
		a=v[i]%crit;
		aux[group[a]]=v[i];
		group[a]--;
	}
	memset(group,0,sizeof group);
	for(i=1;i<=n;i++) group[aux[i]/crit]++;
	for(i=1;i<=crit;i++) group[i]+=group[i-1];
	for(i=n;i>=1;i--){
		a=aux[i]/crit;
		v[group[a]]=aux[i];
		group[a]--;
	}
	FILE *out=fopen("radixsort.out","w");
	for(i=1;i<=n;i+=10)  fprintf(out,"%d ",v[i]);
	return 0;
}