#include <bits/stdc++.h>
using namespace std;
#include "park.h"
//#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
static int Place[1400], p2[1400];
void dnc(vector <int> shit){
if(shit.empty())return;
vector <int> nxtstuff, die[7];
int bru = shit[rng()%shit.size()];
for(int i = 0; i < (int)shit.size(); i++){
if(shit[i] == bru)continue;
Place[bru] = Place[shit[i]] = 1;
int a = bru, b = shit[i];
if(a > b)swap(a, b);
if(Ask(a, b, Place)){
nxtstuff.push_back(shit[i]);
Answer(a, b);
}
Place[bru] = Place[shit[i]] = 0;
}
for(int i = 0; i < N; i++)p2[i] = 0;
for(auto i : shit)p2[i] = 1;
for(auto i : shit){
if(i == bru)continue;
bool f = 0;
for(auto j : nxtstuff)if(i == j)f = 1;
if(f)continue;
for(int j = 0; j < (int)nxtstuff.size(); j++){
for(int k = 0; k < (int)nxtstuff.size(); k++)if(k != j)p2[nxtstuff[k]] = 0;
int a = bru, b = shit[i];
if(a > b)swap(a, b);
int res = Ask(a, b, p2);
for(auto k : nxtstuff)p2[k] = 1;
if(res){
die[j].push_back(i);
f = 1;
break;
}
}
}
for(int i = 0; i < (int)nxtstuff.size(); i++){
die[i].push_back(nxtstuff[i]);
dnc(die[i]);
}
}
void Detect(int T, int N) {
if(T == 1){
for(int i = 0; i < N; i++){
for(int j = i + 1; j < N; j++){
Place[i] = Place[j] = 1;
if(Ask(i, j, Place))Answer(i, j);
Place[i] = Place[j] = 0;
}
}
return;
}
vector <int> lol;
for(int i = 0; i < N; i++)lol.push_back(i);
dnc(lol);
}
Compilation message
park.cpp: In function 'void dnc(std::vector<int>)':
park.cpp:31:21: error: 'N' was not declared in this scope
31 | for(int i = 0; i < N; i++)p2[i] = 0;
| ^
