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Cod sursa(job #409577)
#include<fstream>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int main()
{ int i,ls,ld,m,ok=1,x,n,y;
unsigned int v[100001];
fin>>n;
for(i=1;i<=n;i++)
fin>>v[i];
fin>>x;
ls=0;
ld=n-1;
while(ok&&ls<=ld)
{ m=(ld+ls)/2;
if(x==v[m]) ok=0;
else if(x>v[m]) ls=m+1;
else ld=m-1;
}
n=m;
while(v[m]==v[m-1]) m--;
while(v[n]==v[n+1]) n++;
while(fin>>y>>x)
if(y==2) fout<<m<<endl;
else fout<<n<<endl;
fin.close();
fout.close();
return 0;
}