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 "chameleon.h"
#include<bits/stdc++.h>
using ll = int;
using namespace std;
#define pll pair <ll,ll>
#define fi first
#define se second
#define MP make_pair
#define sz(a) (ll((a).size()))
#define BIT(mQuery,i) (((mQuery) >> (i))&1)
#define MQuery(i) (1LL << (i))
namespace {
int variable_example = 1;
} // namespace
namespace MOMJOKES{
const ll MAXN = 510;
ll L[MAXN],R[MAXN];
vector <ll> cand[MAXN];
}
void Solve(int n) {
using namespace MOMJOKES;
for (ll i = 1;i <= 2*n;i ++){
for (ll j = i + 1;j <= 2*n;j ++){
if (Query({i,j}) == 1){
cand[i].push_back(j);
cand[j].push_back(i);
}
}
}
set <pll> s;
for (ll i = 1;i <= 2 * n;i ++){
if (sz(cand[i]) == 3){
for (ll j = 0;j < 3;j ++){
vector <ll> all = {i};
for (ll j1 = 0;j1 < 3;j1 ++){
if (j1 != j)all.push_back(cand[i][j1]);
}
if (Query(all) == 1){
L[i] = cand[i][j];
break;
}
}
}
else{
ll u = i,v = cand[i][0];
if (u > v)swap(u,v);
s.insert(MP(u,v));
}
}
for (ll i = 1;i <= 2 * n;i ++){
if (sz(cand[i]) == 3){
for (ll j = 0;j < 3;j ++){
if (cand[i][j] == L[i] || L[cand[i][j]] == i)continue;
ll u = i,v = cand[i][j];
if (u > v)swap(u,v);
s.insert(MP(u,v));
}
}
}
for (auto x:s)Answer(x.fi,x.se);
}
Compilation message (stderr)
chameleon.cpp:15:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
15 | int variable_example = 1;
| ^~~~~~~~~~~~~~~~
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