oj.uz

Submission #978143

# Submission time Handle Problem Language Result Execution time Memory
978143 2024-05-08T23:28:24 Z happypotato Mechanical Doll (IOI18_doll) C++17
65.6728 / 100
 97 ms 12504 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] == 0) {
			C[i] = 0;
		} else 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 0 ms 344 KB Output is correct
2 Correct 16 ms 3124 KB Output is correct
3 Correct 11 ms 2264 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 8 ms 2396 KB Output is correct
6 Correct 20 ms 3540 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 0 ms 344 KB Output is correct
2 Correct 16 ms 3124 KB Output is correct
3 Correct 11 ms 2264 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 8 ms 2396 KB Output is correct
6 Correct 20 ms 3540 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 38 ms 7820 KB Output is correct
9 Correct 34 ms 7128 KB Output is correct
10 Correct 55 ms 11612 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 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 16 ms 3124 KB Output is correct
3 Correct 11 ms 2264 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 8 ms 2396 KB Output is correct
6 Correct 20 ms 3540 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 38 ms 7820 KB Output is correct
9 Correct 34 ms 7128 KB Output is correct
10 Correct 55 ms 11612 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 68 ms 11568 KB Output is correct
15 Correct 35 ms 6216 KB Output is correct
16 Correct 64 ms 9008 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 62 ms 10828 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 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 47 ms 6212 KB Output is correct
3 Partially correct 49 ms 6224 KB Output is partially correct
4 Correct 78 ms 9552 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 47 ms 6212 KB Output is correct
3 Partially correct 49 ms 6224 KB Output is partially correct
4 Correct 78 ms 9552 KB Output is correct
5 Partially correct 97 ms 12504 KB Output is partially correct
6 Partially correct 76 ms 11684 KB Output is partially correct
7 Partially correct 85 ms 12020 KB Output is partially correct
8 Partially correct 69 ms 10756 KB Output is partially correct
9 Partially correct 45 ms 5480 KB Output is partially correct
10 Partially correct 71 ms 9968 KB Output is partially correct
11 Partially correct 60 ms 8860 KB Output is partially correct
12 Partially correct 38 ms 6048 KB Output is partially correct
13 Partially correct 48 ms 7936 KB Output is partially correct
14 Partially correct 49 ms 7960 KB Output is partially correct
15 Partially correct 52 ms 8232 KB Output is partially correct
16 Partially correct 2 ms 604 KB Output is partially correct
17 Partially correct 36 ms 5800 KB Output is partially correct
18 Partially correct 39 ms 5520 KB Output is partially correct
19 Partially correct 47 ms 5920 KB Output is partially correct
20 Partially correct 55 ms 8496 KB Output is partially correct
21 Partially correct 58 ms 8404 KB Output is partially correct
22 Partially correct 56 ms 8008 KB Output is partially correct