oj.uz

Submission #768075

# Submission time Handle Problem Language Result Execution time Memory
768075 2023-06-27T12:21:00 Z SanguineChameleon Toy Train (IOI17_train) C++17
100 / 100
 720 ms 1352 KB 
#include "train.h"
#include <bits/stdc++.h>
using namespace std;

const int maxn = 5e3 + 20;
int deg[maxn];
vector<int> adj[maxn];
int cnt[maxn];
int owner[maxn];
bool rem[maxn];
bool flag[maxn][2];
int n;

void bfs(int player) {
	deque<int> q;
	for (int i = 0; i < n; i++) {
		if (!rem[i] && flag[i][player]) {
			q.push_back(i);
		}
		cnt[i] = 0;
	}
	while (!q.empty()) {
		int u = q.front();
		q.pop_front();
		for (auto v: adj[u]) {
			if (flag[v][player]) {
				continue;
			}
			cnt[v]++;
			if (owner[v] == player) {
				if (cnt[v] == 1) {
					flag[v][player] = true;
					q.push_back(v);
				}
			}
			else {
				if (cnt[v] == deg[v]) {
					flag[v][player] = true;
					q.push_back(v);
				}
			}
		}
	}
}

vector<int> who_wins(vector<int> _owner, vector<int> charge, vector<int> u, vector<int> v) {
	n = _owner.size();
	for (int i = 0; i < n; i++) {
		owner[i] = _owner[i];
	}
	int m = u.size();
	vector<int> res(n);
	while (true) {
		for (int i = 0; i < n; i++) {
			deg[i] = 0;
			adj[i].clear();
			flag[i][0] = false;
			flag[i][1] = false;
		}
		for (int i = 0; i < m; i++) {
			if (!rem[u[i]] && !rem[v[i]]) {
				deg[u[i]]++;
				adj[v[i]].push_back(u[i]);
			}
		}
		for (int i = 0; i < n; i++) {
			if (!rem[i] && charge[i]) {
				flag[i][1] = true;
			}
		}
		bfs(1);
		bool done = true;
		for (int i = 0; i < n; i++) {
			if (!rem[i] && !flag[i][1]) {
				flag[i][0] = true;
				done = false;
			}
		}
		if (done) {
			for (int i = 0; i < n; i++) {
				if (!rem[i]) {
					res[i] = 1;
				}
			}
			break;
		}
		bfs(0);
		for (int i = 0; i < n; i++) {
			if (!rem[i] && flag[i][0]) {
				res[i] = 0;
				rem[i] = true;
			}
		}
	}
	return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 852 KB Output is correct
2 Correct 5 ms 856 KB Output is correct
3 Correct 4 ms 824 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Correct 4 ms 852 KB Output is correct
6 Correct 4 ms 860 KB Output is correct
7 Correct 3 ms 852 KB Output is correct
8 Correct 4 ms 856 KB Output is correct
9 Correct 3 ms 852 KB Output is correct
10 Correct 3 ms 852 KB Output is correct
11 Correct 3 ms 852 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 432 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 432 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 428 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 432 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 1140 KB Output is correct
2 Correct 227 ms 1332 KB Output is correct
3 Correct 319 ms 1248 KB Output is correct
4 Correct 6 ms 1212 KB Output is correct
5 Correct 6 ms 1236 KB Output is correct
6 Correct 7 ms 1212 KB Output is correct
7 Correct 5 ms 1216 KB Output is correct
8 Correct 6 ms 1344 KB Output is correct
9 Correct 5 ms 1236 KB Output is correct
10 Correct 5 ms 1236 KB Output is correct
11 Correct 6 ms 1184 KB Output is correct
12 Correct 5 ms 1212 KB Output is correct
13 Correct 6 ms 1236 KB Output is correct
14 Correct 5 ms 1348 KB Output is correct
15 Correct 6 ms 1352 KB Output is correct
16 Correct 6 ms 1216 KB Output is correct
17 Correct 5 ms 1340 KB Output is correct
18 Correct 471 ms 980 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 980 KB Output is correct
2 Correct 5 ms 1168 KB Output is correct
3 Correct 6 ms 1236 KB Output is correct
4 Correct 5 ms 1236 KB Output is correct
5 Correct 6 ms 1244 KB Output is correct
6 Correct 7 ms 1236 KB Output is correct
7 Correct 6 ms 1236 KB Output is correct
8 Correct 5 ms 1208 KB Output is correct
9 Correct 5 ms 1236 KB Output is correct
10 Correct 5 ms 1236 KB Output is correct
11 Correct 6 ms 1336 KB Output is correct
12 Correct 5 ms 1344 KB Output is correct
13 Correct 6 ms 1248 KB Output is correct
14 Correct 5 ms 1232 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1108 KB Output is correct
2 Correct 5 ms 1336 KB Output is correct
3 Correct 6 ms 1216 KB Output is correct
4 Correct 5 ms 1236 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 3 ms 852 KB Output is correct
7 Correct 4 ms 980 KB Output is correct
8 Correct 4 ms 984 KB Output is correct
9 Correct 4 ms 980 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 3 ms 980 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 852 KB Output is correct
2 Correct 5 ms 856 KB Output is correct
3 Correct 4 ms 824 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Correct 4 ms 852 KB Output is correct
6 Correct 4 ms 860 KB Output is correct
7 Correct 3 ms 852 KB Output is correct
8 Correct 4 ms 856 KB Output is correct
9 Correct 3 ms 852 KB Output is correct
10 Correct 3 ms 852 KB Output is correct
11 Correct 3 ms 852 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 432 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 432 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 428 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 432 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 107 ms 1140 KB Output is correct
33 Correct 227 ms 1332 KB Output is correct
34 Correct 319 ms 1248 KB Output is correct
35 Correct 6 ms 1212 KB Output is correct
36 Correct 6 ms 1236 KB Output is correct
37 Correct 7 ms 1212 KB Output is correct
38 Correct 5 ms 1216 KB Output is correct
39 Correct 6 ms 1344 KB Output is correct
40 Correct 5 ms 1236 KB Output is correct
41 Correct 5 ms 1236 KB Output is correct
42 Correct 6 ms 1184 KB Output is correct
43 Correct 5 ms 1212 KB Output is correct
44 Correct 6 ms 1236 KB Output is correct
45 Correct 5 ms 1348 KB Output is correct
46 Correct 6 ms 1352 KB Output is correct
47 Correct 6 ms 1216 KB Output is correct
48 Correct 5 ms 1340 KB Output is correct
49 Correct 471 ms 980 KB Output is correct
50 Correct 4 ms 980 KB Output is correct
51 Correct 5 ms 1168 KB Output is correct
52 Correct 6 ms 1236 KB Output is correct
53 Correct 5 ms 1236 KB Output is correct
54 Correct 6 ms 1244 KB Output is correct
55 Correct 7 ms 1236 KB Output is correct
56 Correct 6 ms 1236 KB Output is correct
57 Correct 5 ms 1208 KB Output is correct
58 Correct 5 ms 1236 KB Output is correct
59 Correct 5 ms 1236 KB Output is correct
60 Correct 6 ms 1336 KB Output is correct
61 Correct 5 ms 1344 KB Output is correct
62 Correct 6 ms 1248 KB Output is correct
63 Correct 5 ms 1232 KB Output is correct
64 Correct 5 ms 1108 KB Output is correct
65 Correct 5 ms 1336 KB Output is correct
66 Correct 6 ms 1216 KB Output is correct
67 Correct 5 ms 1236 KB Output is correct
68 Correct 1 ms 468 KB Output is correct
69 Correct 3 ms 852 KB Output is correct
70 Correct 4 ms 980 KB Output is correct
71 Correct 4 ms 984 KB Output is correct
72 Correct 4 ms 980 KB Output is correct
73 Correct 1 ms 596 KB Output is correct
74 Correct 3 ms 980 KB Output is correct
75 Correct 157 ms 1316 KB Output is correct
76 Correct 246 ms 1336 KB Output is correct
77 Correct 325 ms 1344 KB Output is correct
78 Correct 326 ms 1352 KB Output is correct
79 Correct 331 ms 1348 KB Output is correct
80 Correct 6 ms 1236 KB Output is correct
81 Correct 6 ms 1244 KB Output is correct
82 Correct 7 ms 1236 KB Output is correct
83 Correct 6 ms 1340 KB Output is correct
84 Correct 7 ms 1216 KB Output is correct
85 Correct 6 ms 1212 KB Output is correct
86 Correct 8 ms 1340 KB Output is correct
87 Correct 6 ms 1208 KB Output is correct
88 Correct 9 ms 1252 KB Output is correct
89 Correct 6 ms 1236 KB Output is correct
90 Correct 14 ms 1308 KB Output is correct
91 Correct 12 ms 1252 KB Output is correct
92 Correct 25 ms 1336 KB Output is correct
93 Correct 23 ms 1300 KB Output is correct
94 Correct 24 ms 1316 KB Output is correct
95 Correct 26 ms 1308 KB Output is correct
96 Correct 79 ms 1240 KB Output is correct
97 Correct 455 ms 1316 KB Output is correct
98 Correct 660 ms 1236 KB Output is correct
99 Correct 720 ms 1276 KB Output is correct
100 Correct 492 ms 1100 KB Output is correct