#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define pb push_back
#define x first
#define y second
#define pii pair<int, int>
#define p3i pair<pii, int>
#define pll pair<ll, ll>
#define p3l pair<pll, ll>
#define lseg L, (L+R)/2, N*2+1
#define rseg (L+R)/2+1, R, N*2+2
#define ub upper_bound
#define lb lower_bound
#define pq priority_queue
#define MN 1000000007
#define fox(k, x) for (int k=0; k<x; ++k)
#define fox1(k, x) for (int k=1; k<=x; ++k)
#define foxr(k, x) for (int k=x-1; k>=0; --k)
#define fox1r(k, x) for (int k=x; k>0; --k)
#define ms multiset
#define flood(x) memset(x, 0x3f3f3f3f, sizeof x)
#define drain(x) memset(x, 0, sizeof x)
#define rng() (rand() >> 3)*rand()
void setRoad(int a, int b);
int query(int x, int y, int a[], int b[]);
/*void setRoad(int x, int y){cout << "*" << x << ' ' << y << endl;}
bool query(int x, int y, vector<int> v, vector<int> w){
fox(l, x) cout << v[l] << ' '; cout << endl;
fox(l, y) cout << w[l] << ' '; cout << endl;
int ans;
cin >> ans;
return ans;
};*/
int x, y, n, a[1005], b[1005];
vector<int> v, w, u;
bool query2(int x, int y, vector<int> v, vector<int> w){
fox(l, x) a[l]=v[l];
fox(l, y) b[l]=w[l];
return query(x, y, a, b);
}
void solve(){
int lo=0, mid, hi=v.size()-1;
while(lo<hi){
mid=(lo+hi)/2;
u.clear();
fox(l, mid+1) u.pb(v[l]);
if (query2(mid+1, w.size(), u, w)){
hi=mid;
} else {
lo=mid+1;
}
}
x=v[lo];
lo=0; hi=w.size()-1;
while(lo<hi){
mid=(lo+hi)/2;
u.clear();
fox(l, mid+1) u.pb(w[l]);
if (query2(v.size(), mid+1, v, u)){
hi=mid;
} else {
lo=mid+1;
}
}
y=w[lo];
}
void get(){
for (int b=1; ; b<<=1){
v.clear();
w.clear();
fox1(l, n){
if (b&l) v.pb(l);
else w.pb(l);
}
if (query2(v.size(), w.size(), v, w)){
solve();
//cout << b << endl;
return;
}
}
}
void run(int N){
n=N;
/*fox(l, N){
v.pb(vector<int>(1, l+1));
}*/
fox(l, N-1){
get();
setRoad(x, y);
/*fox(l, v[y].size()){
v[x].pb(v[y][l]);
}
v.erase(v.begin()+y);*/
}
}
/*int main(){
run(4);
return 0;
}*/
Compilation message
/tmp/cc6DDWXP.o: In function `query2(int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)':
icc.cpp:(.text+0x6e): undefined reference to `query(int, int, int*, int*)'
/tmp/cc6DDWXP.o: In function `run(int)':
icc.cpp:(.text+0x945): undefined reference to `setRoad(int, int)'
/tmp/ccxKDCsf.o: In function `main':
grader.cpp:(.text.startup+0x1d): undefined reference to `run'
collect2: error: ld returned 1 exit status
