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Cod sursa(job #409591)
#include<fstream>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int main()
{ unsigned int v[100001],i,ls,ld,m,ok=1,x,n,y,z;
fin>>n;
for(i=1;i<=n;i++)
fin>>v[i];
fin>>z;
while(z)
{ fin>>y;
fin>>x;
ls=0;
ld=n-1;
while(ok&&ls<=ld)
{ m=ls + (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++;
if(y==2) fout<<m<<endl;
else fout<<n<<endl;
z--;
}
fin.close();
fout.close();
return 0;
}