#include<fstream>

using namespace std;
typedef int var;

ifstream fin("cautbin.in");
ofstream fout("cautbin.out");

var V[100002];
var n;
var MAX;

var rez_1(var val) {
    var ind = 0;
    for(var i=MAX; i; i>>=1) {
        if(i+ind <= n && V[i+ind] <= val)
            ind += i;
    }
    return ind;
}

var rez_0(var val) {
    var ind = rez_1(val);
    return (V[ind] == val) ? ind : -1;
}

var rez_2(var val) {
    var ind = rez_1(val-1);
    return ind+1;
}

int main() {
    var m, type, val;
    fin>>n;
    for(var i=1; i<=n; i++) {
        fin>>V[i];
    }

    for(MAX=1; MAX<=n; MAX<<=1);
    MAX>>=1;

    fin>>m;

    while(m--) {
        fin>>type>>val;
        switch(type) {
            case 0: fout<<rez_0(val)<<'\n';break;
            case 1: fout<<rez_1(val)<<'\n';break;
            case 2: fout<<rez_2(val)<<'\n';break;
        }
    }
    return 0;
}