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 <bits/stdc++.h>
using namespace std;
#define pb push_back
vector<int> guess(int n) {
vector<int> out(n);
map<int, int> ans;
for (int b = 0; b < 7; b++) {
vector<int> vec;
for (int i = 1; i < n; i++) {
if (i & (1 << b)) {
vec.pb(i + 1);
}
}
if (vec.empty()) continue;
auto r_1 = get_pairwise_xor(vec);
vec.pb(1);
auto r_2 = get_pairwise_xor(vec);
vector<int> r_3;
set_symmetric_difference(r_1.begin(), r_1.end(), r_2.begin(), r_2.end(), back_inserter(r_3));
map<int, bool> tmp;
for (int i : r_3) {
if (!i) continue;
ans[i] ^= (1 << b) * tmp[i];
tmp[i] ^= 1;
}
}
out[0] = ask(1);
for (auto i : ans) {
out[i.second] = i.first ^ out[0];
}
return out;
}
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