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Cod sursa(job #832586)
#include<cstdio>
using namespace std;
# define nmax 100001
#define inf 2147483648-1
unsigned int arb[4*nmax+1],maxim,op,poz,a,b,n,m,val;
int min2 (int a,int b)
{
if (a>b)
return b;
return a;
}
void update (int nod,int st,int dr)
{
int pivot;
if (st==dr)
{arb[nod]=val; return ;}
pivot=(st+dr)/2;
if (poz<=pivot) update(2*nod,st,pivot);
else
update(2*nod+1,pivot+1,dr);
arb[nod]=min2(arb[2*nod],arb[2*nod+1]);
}
void query (int nod,int st,int dr)
{
if (st==dr)
{ arb[nod]=inf; return;}
int pivot=(st+dr)/2;
if (val==arb[nod*2]) query(2*nod,st,pivot);
else if (val==arb[nod*2+1]) query(2*nod+1,pivot+1,dr);
arb[nod]=min2(arb[2*nod],arb[2*nod+1]);
}
int main()
{
freopen("algsort.in","r",stdin);
freopen("algsort.out","w",stdout);
scanf("%d",&n);
int x,i;
for (i=1;i<=n;++i)
{
scanf("%d",&x);
poz=i; val=x;
update(1,1,n);
}
while (arb[1]!=inf)
{
printf("%d ",arb[1]);
val=arb[1];
query(1,1,n);
}
}