Cod sursa(job #672977)

Utilizator BlaugranasEnal Gemaledin Blaugranas Data 3 februarie 2012 17:01:12
Problema Sortare prin comparare Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.5 kb
#include<cstdio>
#define N 500000
int v[N],n,y[N],i;

void M(int p,int q)
{int m=(p+q)/2,i,j,k;
if(p==q)
      return;
M(p,m),M(m+1,q);
for(i=p,j=m+1,k=p;i<=m||j<=q;)
if(j>q||(i<=m&&v[i]<v[j]))
      y[k++]=v[i++];
else
      y[k++]=v[j++];
for(i=p;i<=q;i++)
      v[i]=y[i];}
      
int main()
{freopen("algsort.in","r",stdin);
freopen("algsort.out","w",stdout);
scanf("%d",&n);
for(i=0;i<n;i++)
      scanf("%d",&v[i]);
M(0,n-1);
for(i=0;i<n;i++)
      printf("%d ",v[i]);
return 0;}