This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "interactive.h"
#include <cmath>
#include <iostream>
#include <algorithm>
#include <set>
#include <cassert>
using namespace std;
const int Log=7;
vector < int > sol;
vector < int > q;
vector < int > odg1, odg2;
vector < int > komp;
vector < int > val[Log];
vector < int > tren;
void probaj(int x){
int pos;
for(int i=0; i<Log; i++){
if((1<<i)&x){
if(tren.empty()){
tren=val[i];
}
else{
pos=0;
for(int j=0; j<(int)tren.size(); j++){
while(pos<(int)val[i].size() && val[i][pos]<tren[j]){
pos++;
}
// cout << val[i][pos] << endl;
if(pos>=(int)val[i].size() || tren[j]!=val[i][pos]){
// cout << "brisem " << j << endl;
tren.erase(tren.begin()+j);
j--;
}
else{
pos++;
}
}
}
}
/* for(int i=0; i<tren.size(); i++){
cout << tren[i] << ' ';
}
cout << endl;*/
}
while(tren.size()>1 && tren.back()==tren[0]){
tren.pop_back();
}
if(tren.size()>1){
tren={ask(x+1)};
}
assert(tren.size()==1);
for(int i=0; i<Log; i++){
if((1<<i)&x){
val[i].erase(find(val[i].begin(), val[i].end(), tren[0]));
}
}
sol[x]=tren[0];
tren.clear();
}
vector < int > guess(int n){
sol.resize(n, 0);
sol[0]=ask(1);
int sz;
for(int j=0; j<Log; j++){
for(int i=1; i<n; i++){
if(i&(1<<j)){
q.push_back(i+1);
}
}
if(q.empty()){
break;
}
odg2=get_pairwise_xor(q);
q.push_back(1);
odg1=get_pairwise_xor(q);
q.clear();
int pos1=0, pos2=0;
for(int i=0; i<(int)odg1.size(); i++){
if(pos2<(int)odg2.size() && odg1[pos1]==odg2[pos2]){
pos1++;
pos2++;
}
else{
komp.push_back(odg1[pos1]);
pos1++;
}
}
/* for(int i=0; i<komp.size(); i++){
cout << komp[i] << ' ';
}
cout << endl;*/
komp.erase(komp.begin());
sz=komp.size();
for(int i=0; i<sz/2; i++){
komp.erase(komp.begin()+i);
}
for(int i=0; i<(int)komp.size(); i++){
val[j].push_back(sol[0]^komp[i]);
// cout << val[j].back() << ' ';
}
// cout << endl;*/
komp.clear();
}
// cout << endl;
for(int i=n-1; i>0; i--){
probaj(i);
}
/* for(int i=0; i<n; i++){
cout << sol[i] << ' ';
}
cout << endl;*/
return sol;
}
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