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Cod sursa(job #252415)
#include<fstream.h>
int v[100010],n,intrebari,x,i,q;
int q1(int x)
{ int m,s,d;
for(s=1,d=n;s<=d;)
{
m=(s+d)>>1;
if(v[m]<x) s=m+1;
else if(v[m]>x) d=m-1;
else return m;
}
return -1;
}
int q2(int x)
{ int s,m,d,sol;
for(s=1,d=n;s<=d;)
{m=(s+d)>>1;
if(v[m]<=x) {sol=m; s=m+1;}
else d=m-1;
}
return sol;
}
int q3(int x)
{ int s,d,m,sol;
for(s=1,d=n;s<=d;)
{ m=(s+d)>>1;
if(v[m]>=x) {sol=m; d=m-1;}
else s=m+1;
}
return sol;
}
int main()
{
ifstream f("cautbin.in");
ofstream g("cautbin.out");
f>>n;
for(i=1;i<=n;i++) f>>v[i];
f>>intrebari;
for(i=1;i<=intrebari;i++)
{ f>>q>>x;
if(q==0) g<<q1(x)<<'\n';
else if(q==1) g<<q2(x)<<'\n';
else g<<q3(x)<<'\n';
}
f.close();
g.close();
return 0;
}