#include <bits/stdc++.h>
#include "grader.h"
//#include "grader.cpp"
#define f first
#define s second
#define pb push_back
#define vec vector
#define sz(x) (int)x.size()
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
using namespace std;
typedef pair<int,int> pii;
typedef long double ld;
auto rng=bind(uniform_int_distribution<int>(1,1e9),mt19937(time(0)));
typedef long long ll;
const ll inf=1e18+100;
//const int N=49;
int query(vector<int> q);
int mx=0;
int tests=1000;
void solve(int n){
/// let's try
tests--;
vec<int>pr(n);iota(all(pr),1);
int cnt=(n>50?2398:n>7?398:49);cnt--;
// vec<vec<ll>>answ(n,vec<ll>(n+1,0));
// vec<vec<int>>cntt(n,vec<int>(n+1,0));
// vec<int>how(n,n);
// vec<int>p(n)
map<vec<int>,int>gp;
while(1){
int how=query(pr);
if(how==n) return;
cnt--;
if(how==0) break;
random_shuffle(all(pr));
}
if(n<=7){
vec<bool>placed(n+1,0);
vec<vec<bool>>used(n,vec<bool>(n,0));
int pv=0;
for(int i=0;i<n;i++){
for(int j=1;j<=n;j++){
if(used[i][j]) continue;
int t=-1;
for(int k=0;k<n;k++){
if(pr[k]==j) t=k;
}
if(i==t) continue;
used[i][j]=1;
used[t][pr[i]]=1;
swap(pr[i],pr[t]);
int x=query(pr);
if(x==n) return;
if(x>pv){
pv=x;
continue;
}
swap(pr[i],pr[t]);
}
}
assert(x==n);
return;
}
int x=0;
while(x!=n){
// cout<<"ASK"<<endl;
int i=rng()%n,j=rng()%n;
while(i==j) j=rng()%n;
swap(pr[i],pr[j]);
int y=query(pr);
if(y==n) break;
if(y>x) continue;
else swap(pr[i],pr[j]);
}
query(pr);
return ;
}
Compilation message
In file included from /usr/include/c++/10/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
from grader.h:5,
from mouse.cpp:2:
mouse.cpp: In function 'void solve(int)':
mouse.cpp:63:16: error: 'x' was not declared in this scope
63 | assert(x==n);
| ^
