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Cod sursa(job #394175)
#include <fstream>
using namespace std;
int n, m, a,b,v[100005];
ifstream f("cautbin.in");
ofstream g("cautbin.out");
inline int search0(int x)
{
int st, dr, mij, max=-1;
for (st = 1, dr = n; st <= dr; )
{
mij = st + (dr-st) / 2;
if (x < v[mij]) dr = mij-1;
else if (v[mij] < x) st = mij+1;
else max = mij, st = mij+1;
}
return max;
}
inline int search1(int x)
{
int st, dr, mij, max = 0;
for (st = 1, dr = n; st <= dr; )
{
mij = st + (dr-st) / 2;
if (v[mij] <= x) max = mij, st = mij+1;
else dr = mij-1;
}
return max;
}
inline int search2(int x)
{
int st, dr, mij, min = n+1;
for (st = 1, dr = n; st <= dr; )
{
mij = st + (dr-st) / 2;
if (x <= v[mij]) min = mij, dr = mij-1;
else st = mij+1;
}
return min;
}
void citire()
{
int i;
f>>n;
for (i = 1; i <= n; ++i)
f>>v[i];
}
void solve()
{
f>>m;
for (;m;m--)
{
f>>a>>b;
switch (a){
case 0 : {g<<search0(b)<<"\n";break;}
case 1 : {g<<search1(b)<<"\n";break;}
case 2 : {g<<search2(b)<<"\n";break;}}
}
}
int main()
{
citire();
solve();
f.close();
g.close();
return 0;
}