oj.uz

Submission #793906

# Submission time Handle Problem Language Result Execution time Memory
793906 2023-07-26T07:57:35 Z Sohsoh84 Mechanical Doll (IOI18_doll) C++17
66.5995 / 100
 81 ms 10416 KB 
#include "doll.h"
#include <bits/stdc++.h>

using namespace std;

#define all(x)		(x).begin(), (x).end()
#define sep		' '
#define debug(x)	cerr << #x << ": " << x << endl;

const int MAXN = 1e6 + 10;

int s = 1, n, fake_vert;
vector<int> C, X, Y, A;

inline int create_switch(int x, int y) {
	X.push_back(x);
	Y.push_back(y);
	s++;
	return -(s - 1);
}

inline int create_trigger(int x) {
	X.push_back(-s);
	Y.push_back(x);
	
	s++;
	return -(s - 1); 
}

int build(int l = 0, int r = n - 1) {
	if (A[l] == fake_vert && A[r] == fake_vert) return fake_vert;
	if (l == r) return A[l];
	else {
		int mid = (l + r) >> 1;
		int a = build(l, mid);
		int b = build(mid + 1, r);

		//cerr << l << sep << r << sep << -s << sep << a << sep << b << endl;
		return create_switch(a, b);
	}
}

inline int f(int ind, int lg) {
	int ans = 0;
	while (lg--) {
		ans = (ans << 1 | (ind & 1));
		ind >>= 1;
	}

	return ans;
}

inline void print() {
	debug("print")
	for (int i = 0; i < int(C.size()); i++)
		cerr << i << ": " << C[i] << endl;

	cerr << endl;
	cerr << endl;

	for (int i = 0; i < int(X.size()); i++)
		cerr << -(i + 1) << ": " <<  X[i] << sep << Y[i] << endl;

	cerr << endl;
	cerr << endl;
}

void create_circuit(int m, vector<int> A_) {
	A = A_;
	A.push_back(0);
	A_.push_back(0);

	fake_vert = create_trigger(-1);	
	C.resize(m + 1);
	
	reverse(all(A));
	while (__builtin_popcount(int(A.size())) > 1) A.push_back(fake_vert);
	reverse(all(A));

	n = A.size();
	int lg = __builtin_ctz(n);

	vector<pair<int, int>> tmp;
	int ind = n - 1;
	while (ind >= 0 && A[ind] >= 0) {
		tmp.push_back({f(ind, lg), ind});
		ind--;
	}

	sort(all(tmp));	
	for (int i = 0; i < int(A_.size()); i++)
		A[tmp[i].second] = A_[i];

	int root = build(0, n - 1);
	Y[0] = root;

	while (A.back() < 0) A.pop_back();
	
	for (int i = 0; i <= m; i++) C[i] = root;

//	print();
	answer(C, X, Y);
}

// TODO: change destincation of fake_vert to root

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 27 ms 5672 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 27 ms 5672 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 27 ms 5672 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
16.1998901226 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Partially correct 41 ms 6756 KB Output is partially correct
3 Correct 38 ms 6732 KB Output is correct
4 Correct 68 ms 9712 KB Output is correct

Subtask #6
50.3996581592 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Partially correct 41 ms 6756 KB Output is partially correct
3 Correct 38 ms 6732 KB Output is correct
4 Correct 68 ms 9712 KB Output is correct
5 Correct 81 ms 10416 KB Output is correct
6 Correct 65 ms 10268 KB Output is correct
7 Correct 65 ms 10296 KB Output is correct
8 Correct 69 ms 9964 KB Output is correct
9 Correct 39 ms 6740 KB Output is correct
10 Correct 68 ms 9924 KB Output is correct
11 Correct 80 ms 9676 KB Output is correct
12 Correct 38 ms 6740 KB Output is correct
13 Partially correct 41 ms 7004 KB Output is partially correct
14 Correct 41 ms 7096 KB Output is correct
15 Correct 41 ms 7208 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 39 ms 6224 KB Output is correct
18 Partially correct 40 ms 6744 KB Output is partially correct
19 Correct 39 ms 6732 KB Output is correct
20 Correct 63 ms 9836 KB Output is correct
21 Correct 64 ms 9712 KB Output is correct
22 Correct 62 ms 9748 KB Output is correct