Cod sursa(job #2420892)

Utilizator BlaugranasEnal Gemaledin Blaugranas Data 13 mai 2019 15:29:37
Problema Radix Sort Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.89 kb
#include<cstdio>
#define M 60000000
int v[10000001],i,j,l,n,x,a,b,c,*t;
char r[M];
inline void C(int a[],int b[],int e)
{
    int c[256],d[256],i;
    for(i=0;i<256;i++)
        c[i]=0;
    for(i=0;i<n;i++)
        c[(a[i]>>(e*8))&255]++;
    for(d[0]=0,i=1;i<256;i++)
        d[i]=d[i-1]+c[i-1];
    for(i=0;i<n;i++)
        b[d[(a[i]>>(e*8))&255]++]=a[i];
}
inline void S(int x)
{
    int i,d=x>999999999?10:x>99999999?9:x>9999999?8:x>999999?7:x>99999?6:x>9999?5:x>999?4:x>99?3:x>9?2:1;
    for(i=d-1;i>=0;x/=10,i--)
        r[l+i]=x%10+48;
    r[l+d]=32,l+=d+1;
}
int main()
{
    freopen("radixsort.in","r",stdin),freopen("radixsort.out","w",stdout),scanf("%d%d%d%d",&n,&a,&b,&c);
    for(v[0]=b%c,i=1;i<n;i++)
        v[i]=(1LL*a*v[i-1]+b)%c;
    t=new int[n];
    C(v,t,0),C(t,v,1),C(v,t,2),C(t,v,3);
    for(i=0;i<n;i+=10)
        S(v[i]);
    fwrite(r,1,l,stdout);
}