| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1313182 | sitingfake | 동굴 (IOI13_cave) | C++20 | 0 ms | 0 KiB |
#include<bits/stdc++.h>
//#include "cave.h"
using namespace std;
// define
//bool M1;
//#define execute cerr << " Time: " << fixed << setprecision(6) << (1.0 * clock() / CLOCKS_PER_SEC) << "s\n";
//#define memory cerr << abs(&M2 - &M1)/1024.0/1024 << " MB" << "\n"
#define ll long long
#define ii pair <int , int>
#define iii pair <int , ii>
#define se second
#define fi first
#define all(v) (v).begin() , (v).end()
#define Unique(v) sort(all(v)) , v.resize(unique(all(v)) - v.begin())
#define bit(x,i) (((x) >> (i)) & 1LL)
#define flip(x,i) ((x) ^ (1LL << (i)))
#define ms(d,x) memset(d , x , sizeof(d))
#define exist __exist
#define ends __ends
#define visit visited
#define left __left
#define right __right
#define prev __prev
#define next __next
#define sitingfake 1
#define orz 1
//constant
const long long mod = 1e9 + 7;
const long long linf = 4557430888798830399LL;
const long long nlinf = -4485090715960753727LL;
const int inf = 1061109567;
const int ninf = -1044266559;
const int dx[] = {0 , -1 , 0 , 1};
const int dy[] = {-1 , 0 , 1 , 0};
template<typename T> bool maximize(T &a, const T &b)
{
if(a < b) {a = b; return 1;}
return 0;
}
template<typename T> bool minimize(T &a, const T &b)
{
if(a > b) {a = b; return 1;}
return 0;
}
void Plus(ll & a ,ll b)
{
b %= mod;
a += b;
if(a < 0) a += mod;
a %= mod;
return;
}
void Mul(ll & a, ll b)
{
(a *= (b % mod)) %= mod;
return;
}
//code
const int maxn = 5e3 + 7;
void findState(int state[] , int n)
{
vector <int> p;
for(int i = 0; i < n; i++)
{
state[i] = 1;
p.push_back(i);
}
int cur = tryCombination(state);
if(cur == -1) return;
while(!p.empty())
{
int left = 0 , right = p.size() - 1 , pos = -1 , val = inf;
int ask[n];
for(int i = 0; i < n; i++)
{
ask[i] = state[i];
}
while(left <= right)
{
int mid = (right + left) >> 1;
for(int i = 0; i <= mid; i++)
{
ask[p[i]] = !state[p[i]];
}
int d = tryCombination(ask);
if(d == -1)
{
for(int i = 0; i <= mid; i++)
{
state[p[i]] ^= 1;
}
return;
}
if(d != cur)
{
right = mid - 1;
pos = mid;
val = d;
}
else
{
left = mid + 1;
}
}
if(pos == -1) return;
if(val < cur)
{
for(int i = 0; i < pos; i++)
{
state[p[i]] ^= 1;
}
}
else
{
for(int i = 0; i <= pos; i++)
{
state[p[i]] ^= 1;
}
cur = val;
}
for(int i = 0; i < pos; i++) p.push_back(p[i]);
p.erase(p.begin() , p.begin() + pos);
}
}
void exploreCave(int n)
{
int state[n] , res[n];
findState(state , n);
for(int i = 0; i < n; i++)
{
state[i] ^= 1;
res[i] = tryCombination(state);
state[i] ^= 1;
}
answer(state , res);
}
/**
**/
