Submission #664586

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
664586	2022-11-27T07:52:51 Z	blue	Ancient Machine (JOI21_ancient_machine)	C++17	99 / 100	200 ms	8704 KB

Anna

#include "Anna.h"
#include <bits/stdc++.h>
 
namespace
{
	using namespace std;
	
	using vi = vector<int>;
	using pii = pair<int, int>;
	using vpii = vector<pii>;
	using ll = long long;
	using vll = vector<ll>;
	#define sz(x) int(x.size())
 
	const int obs = 60;
	const int cbs = 42;
 
	vi encode(vi A)
	{
		while(sz(A) % obs != 0)
			A.push_back(0);
 
		// cerr << "to encode: ";
		// for(int u = 0; u < sz(A); u++)
		// 	cerr << A[u];
		// cerr << '\n';
 
 
		ll pow2[cbs];
		pow2[0] = 1;
		for(int i = 1; i < cbs; i++)
			pow2[i] = pow2[i-1] * 2LL;
 
 
		ll dp[1 + obs][2];
 
		dp[1][0] = 1;
		dp[1][1] = 1;
 
		for(int i = 2; i <= obs; i++)
		{
			dp[i][0] = dp[i-1][0] + dp[i-1][1];
			dp[i][1] = dp[i-1][0];
		}
 
 
		// cerr << "dp values: \n";
		// for(int i = 1; i <= obs; i++)
		// 	cerr << dp[i][0] << ' ' << dp[i][1] << '\n';
 
		vi res;
 
 
		for(int i = 0; i < sz(A); i += obs)
		{
			// cerr << "i = " << i << '\n';
			vi a;
			ll val = 0;
			for(int j = i; j < i + obs; j++)
			{
				a.push_back(A[j]);
			}
 
 
			for(int j = 0; j < obs; j++)
			{
				if(a[j] == 1)
				{
					val += dp[obs - j][0];
					// cerr << "add dp 0 " << obs - j << " : " << dp[obs - j][0] << '\n';
					j++;
				}
			}
 
			for(int h : a)
			{
				cerr << h;
			}
 
			// cerr << " -> ";
 
 
			// cerr << "sending val = " << val << '\n';
 
			for(int j = 0; j < cbs; j++)
				res.push_back(bool(val & pow2[j]));
		}
 
		// cerr << "res = ";
		// for(int y : res)
		// 	cerr << y;
		// cerr << '\n';
 
 
 
 
 
		return res;
	}	
}
 
 
 
void Anna(int N, vector<char> S)
{
	// cerr << "hello\n";
	int fx = 0;
	int lz = N-1;
 
	while(fx < N && S[fx] != 'X')
		fx++;
 
	while(lz >= 0 && S[lz] != 'Z')
		lz--;
 
	if(fx == N || lz == -1 || fx >= lz)
	{
		// cerr << "hello2\n";
		return;
	}
 
	vi tosend(N+1, 0);
 
	tosend[fx] = 1;
	tosend[lz+1] = 1;
 
	for(int i = fx+2; i <= lz-1; i++)
	{
		if(S[i-1] == 'Z' && S[i] == 'Y')
			tosend[i] = 1;
	}
 
	for(int i = 0; i+1 < sz(tosend); i++)
		assert(!(tosend[i] == 1 && tosend[i+1] == 1));
 
	// for(int i = 0; i <= N; i++)
	// 	cerr << tosend[i];
	// cerr << '\n';
 
	tosend = encode(tosend);
 
	for(int f : tosend)
		Send(f);
}

Bruno

#include "Bruno.h"
#include <bits/stdc++.h>
 
namespace
{
	using namespace std;
 
	using vi = vector<int>;
	using pii = pair<int, int>;
	using vpii = vector<pii>;
	using ll = long long;
	using vll = vector<ll>;
	#define sz(x) int(x.size())
 
 
	const int obs = 60;
	const int cbs = 42;
 
 
	vi decode(vi A, int S) //S = size of decoded sequence
	{
		// cerr << "\n\n\n decoding\n";
		assert(sz(A) % cbs == 0);
 
		vi res;
		
		for(int i = 0; i < sz(A); i += cbs)
		{
			vll a;
			for(int j = i; j < i+cbs; j++)
				a.push_back(A[j]);
 
 
			ll pow2[cbs];
			pow2[0] = 1;
			for(int i = 1; i < cbs; i++)
				pow2[i] = pow2[i-1] * 2LL;
 
 
			ll val = 0;
			for(int j = 0; j < cbs; j++)
				val += pow2[j] * a[j];
 
			// cerr << "val = " << val << '\n';
 
 
			ll dp[1 + obs][2];
 
			dp[1][0] = 1;
			dp[1][1] = 1;
 
			for(int i = 2; i <= obs; i++)
			{
				dp[i][0] = dp[i-1][0] + dp[i-1][1];
				dp[i][1] = dp[i-1][0];
			}
 
		// 	cerr << "dp values: \n";
		// for(int i = 1; i <= obs; i++)
		// 	cerr << dp[i][0] << ' ' << dp[i][1] << '\n';
 
			vi cres;
 
 
			for(int j = 0; j < obs; j++)
			{
				if(dp[obs - j][0] > val)
					cres.push_back(0);
				else
				{
					val -= dp[obs - j][0];
					cres.push_back(1);
					if(j != obs - 1)
						cres.push_back(0);
					j++;
				}
			}
 
			// cerr << "cres = ";
			// for(int c : cres)
			// 	cerr << c;
			// cerr << "\n";
 
			for(int c : cres)
				res.push_back(c);
 
			assert(val == 0);
		}
 
 
		// cerr << "decoded : ";
		// for(int r : res)
		// 	cerr << r;
		// cerr << '\n';
 
		while(sz(res) > S)
			res.pop_back();
 
		// cerr << "after resizing : ";
		// for(int r : res)
		// 	cerr << r;
		// cerr << '\n';
 
 
		return res;
	}
}
 
 
void Bruno(int N, int L, vi A)
{
 
	if(A.empty())
	{
		for(int i = 0; i < N; i++)
			Remove(i);
 
		return;
	}
 
	A = decode(A, N+1);
 
	assert(sz(A) == N+1);
 
	int lz = N;
	while(A[lz] != 1)
		lz--;
	lz--;
 
	int fx = 0;
	while(A[fx] != 1)
		fx++;
 
	// cerr << fx << ' ' << lz << '\n';
 
	while(!(0 <= fx && fx < lz && lz < N));
 
	for(int i = 0; i < fx; i++)
		Remove(i);
	for(int i = lz+1; i < N; i++)
		Remove(i);
 
	vi st;
 
	for(int i = fx+1; i <= lz; i++)
	{
		if(i < lz && A[i+1] == 0)
		{
			// cerr << "add " << i << " to stack\n";
			st.push_back(i);
		}
		else
		{
			while(!st.empty())
			{
				Remove(st.back());
				// cerr << "pop " << st.back() << '\n';
				st.pop_back();
			}
			Remove(i);
			// cerr << "remove Z : " << i << '\n';
		}
	}
 
	Remove(fx);
	// cerr << "final remove " << fx << '\n';
}

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	508 KB	Output is correct
2	Correct	0 ms	516 KB	Output is correct
3	Correct	1 ms	508 KB	Output is correct
4	Correct	1 ms	508 KB	Output is correct
5	Correct	0 ms	516 KB	Output is correct
6	Correct	1 ms	516 KB	Output is correct
7	Correct	1 ms	520 KB	Output is correct
8	Correct	1 ms	516 KB	Output is correct
9	Correct	0 ms	508 KB	Output is correct
10	Correct	0 ms	508 KB	Output is correct
11	Correct	0 ms	508 KB	Output is correct

Subtask #2

94.0 / 95.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	184 ms	8464 KB	Partially correct
2	Partially correct	169 ms	8448 KB	Partially correct
3	Partially correct	171 ms	8492 KB	Partially correct
4	Partially correct	164 ms	8460 KB	Partially correct
5	Partially correct	169 ms	8400 KB	Partially correct
6	Partially correct	171 ms	8500 KB	Partially correct
7	Partially correct	170 ms	8500 KB	Partially correct
8	Partially correct	192 ms	8412 KB	Partially correct
9	Partially correct	198 ms	8516 KB	Partially correct
10	Partially correct	161 ms	8460 KB	Partially correct
11	Partially correct	181 ms	8368 KB	Partially correct
12	Partially correct	178 ms	8348 KB	Partially correct
13	Partially correct	186 ms	8696 KB	Partially correct
14	Partially correct	176 ms	8452 KB	Partially correct
15	Partially correct	173 ms	8704 KB	Partially correct
16	Partially correct	180 ms	8544 KB	Partially correct
17	Correct	43 ms	6328 KB	Output is correct
18	Correct	43 ms	6304 KB	Output is correct
19	Correct	43 ms	6380 KB	Output is correct
20	Partially correct	166 ms	8420 KB	Partially correct
21	Partially correct	168 ms	8560 KB	Partially correct
22	Partially correct	172 ms	8640 KB	Partially correct
23	Partially correct	170 ms	8376 KB	Partially correct
24	Partially correct	185 ms	8512 KB	Partially correct
25	Correct	45 ms	6432 KB	Output is correct
26	Correct	51 ms	6440 KB	Output is correct
27	Correct	46 ms	6320 KB	Output is correct
28	Correct	46 ms	6352 KB	Output is correct
29	Correct	45 ms	6440 KB	Output is correct
30	Correct	47 ms	6396 KB	Output is correct
31	Correct	44 ms	6444 KB	Output is correct
32	Partially correct	175 ms	8500 KB	Partially correct
33	Partially correct	200 ms	8360 KB	Partially correct