oj.uz

Submission #1068976

# Submission time Handle Problem Language Result Execution time Memory
1068976 2024-08-21T14:00:12 Z Joshua_Andersson Mechanical Doll (IOI18_doll) C++14
10 / 100
 1 ms 348 KB 
#include "doll.h"

#include <bits/stdc++.h>
using namespace std;

const int inf = int(1e9);

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> p2;

#define rep(i, high) for (int i = 0; i < high; i++)
#define repp(i, low, high) for (int i = low; i < high; i++)
#define repe(i, container) for (auto& i : container)
#define sz(container) ((int)container.size())
#define all(x) begin(x),end(x)

#if _LOCAL
#define assert(x) if (!(x)) __debugbreak()
#endif

int n;
int ind = 1;
vi state;
vi x, y;
int k=0;
int numexits = 0;
int build_tree(int d, vi& x, vi& y)
{
	int u = ind++;
	if (d==0)
	{
		numexits += 2;
		x[u] = inf;
		y[u] = inf;
		return u;
	}
	y[u] = build_tree(d - 1, x, y);
	if (ind + (1 << (d - 1)) <= n + k + 1)
	{
		x[u] = build_tree(d - 1, x, y);
	}
	else x[u] = 1;
	return u;
}

int* lastv = 0;
int statesum = 0;
void traverse(int u, int t)
{
	//cout << u << " ";
	int& v = state[u]?y[u]:x[u];
	if (v == -1) return;
	statesum += state[u] == 0 ? 1 : -1;
	state[u] ^= 1;
	if (v==inf)
	{
		lastv = &v;
		v = -t;
		return;
	}
	traverse(v, t);
}

void create_circuit(int m, std::vector<int> a)
{
	n = sz(a);
	vi c(m + 1, -1);
	c[0] = a[0];
	n--;
	a.erase(a.begin());
	while ((1<<(k+1))<=n)
	{
		k++;
	}

	state.resize(1 << (k+1));
	x.resize(1 << (k+1), inf);
	y.resize(1 << (k+1), inf);
	build_tree(k, x, y);
	/*rep(i, sz(x))
	{
		if (x[i]!=inf) cout << (i) << " " << x[i] << "\n";
		if (y[i] != inf) cout << (i) << " " << y[i] << "\n";
	}*/
	rep(i, n)
	{
		traverse(1, a[i]);
	}
	repp(i, n, (1<<(k+1)))
	{
		traverse(1, -1);
		if (statesum == 0)
		{
			*lastv = 0;
			//cout << "ASD";
			break;
		}
		//cout << "\n";
	}

	rep(i, sz(x)) x[i] *= -1, y[i] *= -1;
	rep(i, sz(x))
	{
		if (x[i] == -inf) x[i] = -1;
		if (y[i] == -inf) y[i] = -1;
	}
	x.erase(x.begin());
	y.erase(y.begin());
	/*int u = sz(x);
	rep(i, sz(x))
	{
		cout << -(i+1) << " " << x[i] << "\n";
		cout << -(i+1) << " " << y[i] << "\n";
	}*/
	answer(c, x, y);
}

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB wrong motion
2 Halted 0 ms 0 KB -

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB wrong motion
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB wrong motion
2 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct

Subtask #5
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB wrong motion
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 56.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB wrong motion
2 Halted 0 ms 0 KB -