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Cod sursa(job #411909)
#include<fstream>
using namespace std;
#define NMax 100001
ifstream f("cautbin.in");
ofstream g("cautbin.out");
int n,v[NMax],m,y[NMax],b[NMax];
int binary_search(int val)
{
int i, step;
for (step = 1; step < n; step <<= 1);
for (i = 0; step; step >>= 1)
if (i + step < n && v[i + step] <= val)
i += step;
return i;
}
int binary_search1(int val)
{
int i, step;
for (step = 1; step < n; step <<= 1);
for (i = 0; step; step >>= 1)
if (i + step < n && v[i + step] <= val)
i += step;
for(int j=n-i+2;j<=n;j++)
{
if(v[j]=v[i]) i=j;
}
return i;
}
void solve()
{
for(int i=1;i<=m;i++)
{
if(b[i]==2) g<<y[binary_search(y[i])+1]<<'/n';
if(b[i]==1) g<<y[binary_search(y[i])-1]<<'/n';
if(b[i]==0) if(binary_search(y[i])) g<<binary_search1(y[i])<<'/n';
else g<<"-1"<<'/n';
}
}
int main()
{
f>>n;
for(int i=1;i<=n;i++)
f>>v[i];
f>>m;
for(int j=1;j<=m;j++)
{
f>>b[j]>>y[j];
}
f.close();
g.close();
return 0;
}