oj.uz

Submission #978142

# Submission time Handle Problem Language Result Execution time Memory
978142 2024-05-08T23:27:51 Z happypotato Mechanical Doll (IOI18_doll) C++17
65.6728 / 100
 81 ms 12676 KB 
#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define ff first
#define ss second
#define pb push_back
void create_circuit(int m, vector<int> a) {
	int n = a.size();
	int reidx[m + 1];
	for (int i = 1; i <= m; i++) reidx[i] = 0;
	for (int x : a) reidx[x]++;
	int bruh[m + 1];
	for (int i = 1; i < n; i++) bruh[a[i - 1]] = a[i];
	bruh[a[n - 1]] = 0;
	int base = 0;
	vector<int> C(m + 1);
	C[0] = a[0];
	for (int i = 1; i <= m; i++) {
		if (reidx[i] == 1) {
			C[i] = bruh[i];
			reidx[i] = 0;
		} else if (reidx[i] >= 2) {
			reidx[i] = ++base;
			C[i] = -reidx[i];
		}
	}
 
	vector<int> sto[base + 1];
	for (int i = 1; i < n; i++) {
		sto[reidx[a[i - 1]]].pb(a[i]);
	}
	sto[reidx[a[n - 1]]].pb(0);
	// for (int i = 1; i <= m; i++) cerr << reidx[i] << ' ';
	// cerr << endl;
	// for (int i = 1; i <= base; i++) {
	// 	for (int x : sto[i]) cerr << x << ' ';
	// 	cerr << endl;
	// }
 
	vector<pii> nxt;
	vector<int> access;
	vector<bool> state;
	auto recur = [&](auto&& self, int ptr, int dep, int rem) -> int {
		if (rem <= 0) {
			nxt[ptr] = {ptr, 0};
			return 0;
		}
		// assign right
		if (dep == 1) {
			nxt[ptr].ss = -2;
			rem--;
		} else {
			int nptr = nxt.size();
			nxt[ptr].ss = nptr;
			nxt.pb({-1, -1});
			rem = self(self, nptr, dep - 1, rem);
		}
		// assign left
		if (dep == 1) {
			if (rem == 0) {
				nxt[ptr].ff = 0;
			} else {
				nxt[ptr].ff = -2;
				rem--;
			}
		} else {
			int nptr = nxt.size();
			nxt[ptr].ff = nptr;
			nxt.pb({-1, -1});
			rem = self(self, nptr, dep - 1, rem);
		}
		return rem;
	};
	auto gen = [&](auto&& self, int sz) -> int {
		int logsz = 1;
		while ((1 << logsz) < sz) logsz++;
		nxt = {{-1, -1}};
		recur(recur, 0, logsz, sz);
		int used = nxt.size();
		int dirs = used;
		state.resize(used, 0);
		access.clear();
		int cnt = 0;
		// cerr << "Gen size " << sz << ":\n";
		// for (pii cur : nxt) cerr << cur.ff << ' ' << cur.ss << endl;
		// cerr << "End" << endl;
		do {
			int st = 0;
			while (true) {
				if (!state[st]) {
					state[st] = !state[st]; cnt++;
					if (nxt[st].ff == -2) {
						nxt[st].ff = dirs++;
						break;
					} else {
						st = nxt[st].ff;
					}
				} else {
					state[st] = !state[st]; cnt--;
					if (nxt[st].ss == -2) {
						nxt[st].ss = dirs++;
						break;
					} else {
						st = nxt[st].ss;
					}
				}
			}
		} while (cnt > 0);
		int intend = dirs - sz;
		for (pii &cur : nxt) {
			if (cur.ff >= used && cur.ff < intend) cur.ff = 0;
			if (cur.ss >= used && cur.ss < intend) cur.ss = 0;
		}
		// cerr << "Gen size " << sz << ":\n";
		// for (pii cur : nxt) cerr << cur.ff << ' ' << cur.ss << endl;
		// cerr << "End" << endl;
		return intend;
	};
 
	vector<int> X(base), Y(base);
	int cnt = base;
	for (int i = 1; i <= base; i++) {
		if (sto[i].size() == 1) {
			X[i - 1] = -i;
			Y[i - 1] = sto[i].front();
			continue;
		}
		int assign = gen(gen, sto[i].size());
 
		auto decrypt = [&](int x) -> int {
			if (x == 0) return -i;
			else if (x < assign) return -(x + cnt);
			else return sto[i][x - assign];
		};
		// cerr << "Gen " << i << ": \n";
		// cerr << assign << endl;
		// for (pii cur : nxt) cerr << cur.ff << ' ' << cur.ss << endl;
		// cerr << "End of gen " << i << endl;
		X[i - 1] = decrypt(nxt[0].ff); Y[i - 1] = decrypt(nxt[0].ss);
		for (int j = 1; j < (int)(nxt.size()); j++) {
			// cerr << "decrypt " << nxt[j].ff << ' ' << decrypt(nxt[j].ff) << endl;
			X.pb(decrypt(nxt[j].ff));
			Y.pb(decrypt(nxt[j].ss));
		}
		cnt = (int)(X.size());
	}
 
	answer(C, X, Y);
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 14 ms 3544 KB Output is correct
3 Correct 11 ms 2776 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 8 ms 2396 KB Output is correct
6 Correct 17 ms 4052 KB Output is correct
7 Correct 1 ms 348 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 14 ms 3544 KB Output is correct
3 Correct 11 ms 2776 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 8 ms 2396 KB Output is correct
6 Correct 17 ms 4052 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 35 ms 8540 KB Output is correct
9 Correct 35 ms 7632 KB Output is correct
10 Correct 54 ms 12676 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 14 ms 3544 KB Output is correct
3 Correct 11 ms 2776 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 8 ms 2396 KB Output is correct
6 Correct 17 ms 4052 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 35 ms 8540 KB Output is correct
9 Correct 35 ms 7632 KB Output is correct
10 Correct 54 ms 12676 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 65 ms 12588 KB Output is correct
15 Correct 34 ms 6984 KB Output is correct
16 Correct 53 ms 10168 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 432 KB Output is correct
20 Correct 60 ms 11828 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
14.7580402392 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Output is partially correct
2 Correct 46 ms 6208 KB Output is correct
3 Partially correct 47 ms 6476 KB Output is partially correct
4 Correct 69 ms 9548 KB Output is correct

Subtask #6
34.914797876 / 56.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Output is partially correct
2 Correct 46 ms 6208 KB Output is correct
3 Partially correct 47 ms 6476 KB Output is partially correct
4 Correct 69 ms 9548 KB Output is correct
5 Partially correct 76 ms 12468 KB Output is partially correct
6 Partially correct 81 ms 11708 KB Output is partially correct
7 Partially correct 76 ms 12024 KB Output is partially correct
8 Partially correct 68 ms 10744 KB Output is partially correct
9 Partially correct 47 ms 5568 KB Output is partially correct
10 Partially correct 70 ms 10084 KB Output is partially correct
11 Partially correct 58 ms 9012 KB Output is partially correct
12 Partially correct 37 ms 6060 KB Output is partially correct
13 Partially correct 47 ms 8092 KB Output is partially correct
14 Partially correct 49 ms 7956 KB Output is partially correct
15 Partially correct 49 ms 8332 KB Output is partially correct
16 Partially correct 2 ms 604 KB Output is partially correct
17 Partially correct 35 ms 5644 KB Output is partially correct
18 Partially correct 38 ms 5524 KB Output is partially correct
19 Partially correct 35 ms 5916 KB Output is partially correct
20 Partially correct 54 ms 8416 KB Output is partially correct
21 Partially correct 57 ms 8404 KB Output is partially correct
22 Partially correct 51 ms 7988 KB Output is partially correct