Pagini recente » Cod sursa (job #542922) | Cod sursa (job #339982) | Monitorul de evaluare | Cod sursa (job #2003477) | Cod sursa (job #2286592)
#include <fstream>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int n,i,v[100005],x,y,st,dr,mij,m,j,a[10000],b[10000];
int main()
{
fin>>n;
for(i=1; i<=n; i++)
{
fin>>v[i];
}
fin>>m;
for (j=1; j<=m; j++)
{
fin >>a[j]>>b[j];
}
for(j=1; j<=m; j++)
{
x=a[j];
y=b[j];
st=1;
dr=n;
if(x==1)
{
while(st!=dr)
{
mij=(st+dr+1)/2;
if(v[mij]<=y)
st=mij;
else
dr=mij-1;
}
fout<<st<<'\n';
}
else if(x==0)
{
while(st!=dr)
{
mij=(st+dr+1)/2;
if(v[mij]<=y)
st=mij;
else
dr=mij-1;
}
if(v[st]==y)
fout<<st<<'\n';
else
fout<<"-1"<<'\n';
}
else
{
while (st!=dr)
{
mij=(st+dr)/2;
if (v[mij]>=y)
{
dr=mij;
}
else
st=mij+1;
}
fout<<st<<'\n';
}
}
return 0;
}