oj.uz

답안 #577463

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
577463 2022-06-14T18:37:59 Z Noam527 게임 (APIO22_game) C++17
60 / 100
 4000 ms 35552 KB 
#include <bits/stdc++.h>
#include "game.h"
const int OO = 0;
const int OOO = 0;
using namespace std;

int n, k;
vector<vector<int>> g, grev;
vector<int> s, e;
// s: maximum that reaches us
// e: minimum that we can reach
// s <= e as long as the answer is 0 (with s < e for all non-special vertices)

void init(int nn, int kk) {
	g.clear();
	grev.clear();
	s.clear();
	e.clear();

	n = nn;
	k = kk;
	g.resize(n);
	grev.resize(n);
	s.resize(n, -1);
	e.resize(n, n);

	for (int i = 0; i < k; i++) {
		s[i] = i;
		e[i] = i;
	}
}

void forward_bfs(int l, int m, int r, int v) {
	if (!(l <= e[v] && s[v] < m)) return;
	s[v] = m;
	queue<int> q;
	q.push(v);
	while (q.size()) {
		int x = q.front();
		q.pop();
		for (const auto &i : g[x]) {
			if (!(l <= e[i] && s[i] < m)) continue;
			s[i] = m;
			q.push(i);
		}
	}
}

void backward_bfs(int l, int m, int r, int v) {
	if (!(m < e[v] && s[v] <= r)) return;
	e[v] = m;
	queue<int> q;
	q.push(v);
	while (q.size()) {
		int x = q.front();
		q.pop();
		for (const auto &i : grev[x]) {
			if (!(m < e[i] && s[i] <= r)) continue;
			e[i] = m;
			q.push(i);
		}
	}
}

int add(int layer, int l, int r, int u, int v) {
	if (OO) {
		cout << "on layer " << layer << " " << l << " " << r << '\n';
	}
	if (l > r) return 0;
	int m = (l + r) / 2;
	if (s[u] >= e[v]) return 1;
	if (m <= s[u] && s[u] <= r)
		forward_bfs(l, m, r, v);
	if (l <= e[v] && e[v] <= m)
		backward_bfs(l, m, r, u);

	if ((m < s[u] && s[u] <= r) || (m < e[v] && e[v] <= r)) {
		if (add(layer + 1, m + 1, r, u, v)) return 1;
	}
	if ((l <= s[u] && s[u] < m) || (l <= e[v] && e[v] < m)) {
		if (add(layer + 1, l, m - 1, u, v)) return 1;
	}
	return 0;
}

void brute_dfs(vector<int> &vis, int v) {
	if (vis[v]) return;
	vis[v] = 1;
	for (const auto &i : g[v])
		brute_dfs(vis, i);
}

int brute() {
	vector<int> vis(n);
	for (int i = 0; i < k; i++) {
		for (auto &x : vis) x = 0;
		for (const auto &j : g[i])
			brute_dfs(vis, j);
		for (int j = 0; j <= i; j++)
			if (vis[j]) return 1;
	}
	return 0;
}

int add_teleporter(int u, int v) {
	if (OO) {
		cout << "current s: ";
		for (const auto &i : s) cout << i << " "; cout << '\n';
		cout << "current e: ";
		for (const auto &i : e) cout << i << " "; cout << '\n';
	}
	
	if (u < k && v < k) {
		return u >= v;
	}
	
	g[u].push_back(v);
	grev[v].push_back(u);
	int x = add(0, 0, k - 1, u, v);
	if (OOO) {
		int y = brute();
		if (x != y) {
			cout << "difference! " << x << " " << y << '\n';
			return 2;
		}
	}
	return x;
}

Compilation message

game.cpp: In function 'int add_teleporter(int, int)':
game.cpp:108:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  108 |   for (const auto &i : s) cout << i << " "; cout << '\n';
      |   ^~~
game.cpp:108:45: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  108 |   for (const auto &i : s) cout << i << " "; cout << '\n';
      |                                             ^~~~
game.cpp:110:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  110 |   for (const auto &i : e) cout << i << " "; cout << '\n';
      |   ^~~
game.cpp:110:45: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  110 |   for (const auto &i : e) cout << i << " "; cout << '\n';
      |                                             ^~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 0 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 0 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 0 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 6 ms 336 KB Output is correct
25 Correct 4 ms 336 KB Output is correct
26 Correct 3 ms 336 KB Output is correct
27 Correct 3 ms 336 KB Output is correct
28 Correct 2 ms 396 KB Output is correct
29 Correct 3 ms 336 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 0 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 0 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 6 ms 336 KB Output is correct
25 Correct 4 ms 336 KB Output is correct
26 Correct 3 ms 336 KB Output is correct
27 Correct 3 ms 336 KB Output is correct
28 Correct 2 ms 396 KB Output is correct
29 Correct 3 ms 336 KB Output is correct
30 Correct 16 ms 3052 KB Output is correct
31 Correct 7 ms 2316 KB Output is correct
32 Correct 28 ms 3732 KB Output is correct
33 Correct 18 ms 3780 KB Output is correct
34 Correct 1100 ms 3892 KB Output is correct
35 Correct 429 ms 3924 KB Output is correct
36 Correct 37 ms 3776 KB Output is correct
37 Correct 41 ms 3792 KB Output is correct
38 Correct 49 ms 3576 KB Output is correct
39 Correct 54 ms 3632 KB Output is correct
40 Correct 957 ms 4100 KB Output is correct
41 Correct 243 ms 3700 KB Output is correct
42 Correct 157 ms 3612 KB Output is correct
43 Correct 57 ms 3848 KB Output is correct
44 Correct 885 ms 3920 KB Output is correct

Subtask #5
0.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 0 ms 208 KB Output is correct
12 Correct 0 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 0 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 0 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 6 ms 336 KB Output is correct
25 Correct 4 ms 336 KB Output is correct
26 Correct 3 ms 336 KB Output is correct
27 Correct 3 ms 336 KB Output is correct
28 Correct 2 ms 396 KB Output is correct
29 Correct 3 ms 336 KB Output is correct
30 Correct 16 ms 3052 KB Output is correct
31 Correct 7 ms 2316 KB Output is correct
32 Correct 28 ms 3732 KB Output is correct
33 Correct 18 ms 3780 KB Output is correct
34 Correct 1100 ms 3892 KB Output is correct
35 Correct 429 ms 3924 KB Output is correct
36 Correct 37 ms 3776 KB Output is correct
37 Correct 41 ms 3792 KB Output is correct
38 Correct 49 ms 3576 KB Output is correct
39 Correct 54 ms 3632 KB Output is correct
40 Correct 957 ms 4100 KB Output is correct
41 Correct 243 ms 3700 KB Output is correct
42 Correct 157 ms 3612 KB Output is correct
43 Correct 57 ms 3848 KB Output is correct
44 Correct 885 ms 3920 KB Output is correct
45 Correct 253 ms 28164 KB Output is correct
46 Correct 15 ms 17140 KB Output is correct
47 Correct 15 ms 17128 KB Output is correct
48 Correct 486 ms 35552 KB Output is correct
49 Correct 297 ms 35472 KB Output is correct
50 Execution timed out 4021 ms 26136 KB Time limit exceeded
51 Halted 0 ms 0 KB -