oj.uz

Submission #977621

# Submission time Handle Problem Language Result Execution time Memory
977621 2024-05-08T07:44:52 Z happypotato Mechanical Doll (IOI18_doll) C++17
65.6728 / 100
 84 ms 13748 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] = 1;
	int base = 0;
	for (int i = 1; i <= m; i++) {
		if (reidx[i]) reidx[i] = ++base;
	}
	vector<int> C(m + 1);
	C[0] = a[0];
	for (int i = 1; i <= m; i++) {
		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 0 ms 344 KB Output is correct
2 Correct 30 ms 7472 KB Output is correct
3 Correct 26 ms 7004 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 8 ms 1840 KB Output is correct
6 Correct 42 ms 10588 KB Output is correct
7 Correct 0 ms 344 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 30 ms 7472 KB Output is correct
3 Correct 26 ms 7004 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 8 ms 1840 KB Output is correct
6 Correct 42 ms 10588 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 36 ms 7516 KB Output is correct
9 Correct 44 ms 9820 KB Output is correct
10 Correct 59 ms 11348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 30 ms 7472 KB Output is correct
3 Correct 26 ms 7004 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 8 ms 1840 KB Output is correct
6 Correct 42 ms 10588 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 36 ms 7516 KB Output is correct
9 Correct 44 ms 9820 KB Output is correct
10 Correct 59 ms 11348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 68 ms 11208 KB Output is correct
15 Correct 37 ms 6060 KB Output is correct
16 Correct 70 ms 8892 KB Output is correct
17 Correct 0 ms 600 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 63 ms 11288 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 596 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 1 ms 348 KB Output is partially correct
2 Correct 52 ms 7160 KB Output is correct
3 Partially correct 49 ms 7156 KB Output is partially correct
4 Correct 75 ms 11072 KB Output is correct

Subtask #6
34.914797876 / 56.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 348 KB Output is partially correct
2 Correct 52 ms 7160 KB Output is correct
3 Partially correct 49 ms 7156 KB Output is partially correct
4 Correct 75 ms 11072 KB Output is correct
5 Partially correct 78 ms 13748 KB Output is partially correct
6 Partially correct 84 ms 13060 KB Output is partially correct
7 Partially correct 83 ms 13300 KB Output is partially correct
8 Partially correct 71 ms 12280 KB Output is partially correct
9 Partially correct 46 ms 6324 KB Output is partially correct
10 Partially correct 72 ms 11360 KB Output is partially correct
11 Partially correct 60 ms 10292 KB Output is partially correct
12 Partially correct 39 ms 6816 KB Output is partially correct
13 Partially correct 50 ms 8880 KB Output is partially correct
14 Partially correct 50 ms 8820 KB Output is partially correct
15 Partially correct 51 ms 9012 KB Output is partially correct
16 Partially correct 2 ms 604 KB Output is partially correct
17 Partially correct 36 ms 6568 KB Output is partially correct
18 Partially correct 38 ms 6540 KB Output is partially correct
19 Partially correct 42 ms 6772 KB Output is partially correct
20 Partially correct 56 ms 9960 KB Output is partially correct
21 Partially correct 64 ms 10136 KB Output is partially correct
22 Partially correct 53 ms 9508 KB Output is partially correct