Cod sursa(job #1014588)

Utilizator the@EyE@Postavaru Stefan the@EyE@ Data 22 octombrie 2013 21:51:35
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.79 kb
#include<stdio.h>
#define INF 500002

int n,v[INF],v2[INF];
inline void inter(int st,int dr);

void sort(int st,int dr)
{
    if(st>=dr)return;
    int m=(st+dr)>>1;
    sort(st,m);
    sort(m+1,dr);
    inter(st,dr);
}

inline void inter(int st,int dr)
{
    int ind=st;
    int m=(st+dr)>>1;
    int i=st,j=m+1;
    while(i<=m&&j<=dr)
        if(v[i]<v[j]){v2[ind++]=v[i];++i;}
        else{v2[ind++]=v[j];++j;}
    for(i;i<=m;++i)v2[ind++]=v[i];
    for(j;j<=dr;++j)v2[ind++]=v[j];

    for(int k=st;k<=dr;++k)v[k]=v2[k];

}

int main()
{
    freopen("algsort.in","r",stdin);
    freopen("algsort.out","w",stdout);
    scanf("%d",&n);
    for(int i=0;i<n;++i)scanf("%d",&v[i]);

    sort(0,n-1);

    for(int i=0;i<n;++i)printf("%d ",v[i]);

    return 0;
}