이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "prison.h"
#include <bits/stdc++.h>
//#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
#define ll long long
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define o cout<<"BUG"<<endl;
#define FOR(i, j, n) for(int j = i; j < n; ++j)
#define forn(i, j, n) for(int j = i; j <= n; ++j)
#define nfor(i, j, n) for(int j = n; j >= i; --j)
#define all(v) v.begin(), v.end()
#define ld long double
#define ull unsigned long long
using namespace std;
const int maxn=2e5+10,LOG=17,mod=1e9+7;
int block = 650, timer = 0;
const double eps = 1e-9;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define bt(i) (1 << (i))
//#define int ll
const long long inf=2e18;
#define y1 yy
#define pii pair <int, int>
int etot(int x)
{
return (x == 0 ? -1 : -2);
}
int oppo(int x)
{
return (x == 0 ? -2 : -1);
}
int Bit(int x, int btn)
{
forn(1, i, btn)
x /= 3;
return x % 3;
}
vector <vector <int> > devise_strategy(int n)
{
vector <vector <int> > turn(23);
forn(0, i, 22)
{
turn[i].assign(n+1, 0);
}
turn[0][0] = 0;
forn(1, x, n)
{
turn[0][x] = Bit(x, 7)+1;
}
forn(1, i, 21)
{
turn[i][0] = ((i - 1) / 3 % 2 == 0 ? 1 : 0);
int btn = 7 - (i-1)/3;
int prevbit = (i - 1) % 3;
forn(1, x, n)
{
int bit = Bit(x, btn);
if(bit > prevbit)
turn[i][x] = oppo(turn[i][0]);
else
if(bit < prevbit)
turn[i][x] = etot(turn[i][0]);
else
{
int nxtbit = Bit(x, btn-1);
if(btn == 1)
{
if(nxtbit == 0)
turn[i][x] = etot(turn[i][0]);
else
if(nxtbit == 2)
turn[i][x] = oppo(turn[i][0]);
else
turn[i][x] = 22;
}
else
turn[i][x] = ((i-1)/3+1)*3+1+nxtbit;
}
}
}
turn[22][0] = ((22 - 1) / 3 % 2 == 0 ? 1 : 0);
forn(1, x, n)
{
if(x % 3 == 0) turn[22][x] = etot(turn[22][0]);
else turn[22][x] = oppo(turn[22][0]);
}
/*for(auto i : turn)
{
for(auto j : i) cout << j << " ";
cout << endl;
}*/
return turn;
}
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