oj.uz

Submission #95085

# Submission time Handle Problem Language Result Execution time Memory
95085 2019-01-27T07:57:24 Z Mahdi_Jfri Bitaro’s Party (JOI18_bitaro) C++14
14 / 100
 1365 ms 211640 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back
typedef vector<pair<int,int>> vii;

const int maxn = 1e5 + 20;
const int sq = 150;

vector<int> in[maxn];
vii path[maxn];

int dp[maxn] , mx[maxn] , all[maxn];

bool is[maxn];

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	int n , m , q;
	cin >> n >> m >> q;

	for(int i = 0; i < m; i++)
	{
		int a , b;
		cin >> a >> b;
		a-- , b--;
		in[b].pb(a);
	}

	memset(mx , -1 , sizeof mx);
	for(int v = 0; v < n; v++)
	{
		int t = 0;
		all[t++] = v , mx[v] = 0;
		for(auto u : in[v])
			for(auto w : path[u])
			{
				mx[w.second] = max(mx[w.second] , w.first + 1);
				all[t++] = w.second;
			}

		for(int i = 0; i < t; i++)
			if(mx[all[i]] != -1)
				path[v].pb({mx[all[i]] , all[i]}) , mx[all[i]] = -1;
		sort(path[v].begin() , path[v].end());
		reverse(path[v].begin() , path[v].end());
		while(path[v].size() > sq)
			path[v].pop_back();
	}

	while(q--)
	{
		int v , sz;
		cin >> v >> sz;
		v--;

		vector<int> tmp;
		for(int _ = 0; _ < sz; _++)
		{
			int x;
			cin >> x;
			x--;
			tmp.pb(x);
			is[x] = 1;
		}

		if(sz >= sq)
		{
			for(int i = 0; i <= v; i++)
			{
				dp[i] = -1e9;
				if(!is[i])
					dp[i] = 0;
				for(auto u : in[i])
					dp[i] = max(dp[i] , dp[u] + 1);
			}

			dp[v] = max(dp[v] , -1);
			cout << dp[v] << endl;
		}
		else
		{
			bool f = 0;
			for(auto x : path[v])
				if(!is[x.second])
				{
					cout << x.first << endl;
					f = 1;
					break;
				}

			if(!f)
				cout << -1 << endl;
		}

		for(auto x : tmp)
			is[x] = 0;
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 5496 KB Output is correct
2 Correct 6 ms 5368 KB Output is correct
3 Correct 6 ms 5368 KB Output is correct
4 Correct 5 ms 5496 KB Output is correct
5 Correct 8 ms 5880 KB Output is correct
6 Correct 8 ms 5880 KB Output is correct
7 Correct 8 ms 5880 KB Output is correct
8 Correct 11 ms 7288 KB Output is correct
9 Correct 11 ms 7288 KB Output is correct
10 Correct 12 ms 7288 KB Output is correct
11 Correct 12 ms 7224 KB Output is correct
12 Correct 12 ms 6520 KB Output is correct
13 Correct 11 ms 7160 KB Output is correct
14 Correct 10 ms 6520 KB Output is correct
15 Correct 10 ms 6136 KB Output is correct
16 Correct 11 ms 6524 KB Output is correct
17 Correct 11 ms 6776 KB Output is correct
18 Correct 10 ms 6392 KB Output is correct
19 Correct 11 ms 6776 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 5496 KB Output is correct
2 Correct 6 ms 5368 KB Output is correct
3 Correct 6 ms 5368 KB Output is correct
4 Correct 5 ms 5496 KB Output is correct
5 Correct 8 ms 5880 KB Output is correct
6 Correct 8 ms 5880 KB Output is correct
7 Correct 8 ms 5880 KB Output is correct
8 Correct 11 ms 7288 KB Output is correct
9 Correct 11 ms 7288 KB Output is correct
10 Correct 12 ms 7288 KB Output is correct
11 Correct 12 ms 7224 KB Output is correct
12 Correct 12 ms 6520 KB Output is correct
13 Correct 11 ms 7160 KB Output is correct
14 Correct 10 ms 6520 KB Output is correct
15 Correct 10 ms 6136 KB Output is correct
16 Correct 11 ms 6524 KB Output is correct
17 Correct 11 ms 6776 KB Output is correct
18 Correct 10 ms 6392 KB Output is correct
19 Correct 11 ms 6776 KB Output is correct
20 Correct 98 ms 8696 KB Output is correct
21 Correct 105 ms 8620 KB Output is correct
22 Correct 99 ms 8596 KB Output is correct
23 Correct 108 ms 8796 KB Output is correct
24 Correct 1088 ms 156108 KB Output is correct
25 Correct 1044 ms 157056 KB Output is correct
26 Correct 1014 ms 157724 KB Output is correct
27 Correct 680 ms 211152 KB Output is correct
28 Correct 694 ms 211220 KB Output is correct
29 Correct 716 ms 211108 KB Output is correct
30 Correct 813 ms 211064 KB Output is correct
31 Correct 978 ms 208376 KB Output is correct
32 Correct 796 ms 210900 KB Output is correct
33 Correct 621 ms 133060 KB Output is correct
34 Correct 904 ms 154240 KB Output is correct
35 Correct 639 ms 132220 KB Output is correct
36 Correct 676 ms 172512 KB Output is correct
37 Correct 955 ms 166440 KB Output is correct
38 Correct 645 ms 172660 KB Output is correct

Subtask #3
0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 5496 KB Output is correct
2 Correct 6 ms 5368 KB Output is correct
3 Correct 6 ms 5368 KB Output is correct
4 Correct 5 ms 5496 KB Output is correct
5 Correct 8 ms 5880 KB Output is correct
6 Correct 8 ms 5880 KB Output is correct
7 Correct 8 ms 5880 KB Output is correct
8 Correct 11 ms 7288 KB Output is correct
9 Correct 11 ms 7288 KB Output is correct
10 Correct 12 ms 7288 KB Output is correct
11 Correct 12 ms 7224 KB Output is correct
12 Correct 12 ms 6520 KB Output is correct
13 Correct 11 ms 7160 KB Output is correct
14 Correct 10 ms 6520 KB Output is correct
15 Correct 10 ms 6136 KB Output is correct
16 Correct 11 ms 6524 KB Output is correct
17 Correct 11 ms 6776 KB Output is correct
18 Correct 10 ms 6392 KB Output is correct
19 Correct 11 ms 6776 KB Output is correct
20 Correct 98 ms 8696 KB Output is correct
21 Correct 105 ms 8620 KB Output is correct
22 Correct 99 ms 8596 KB Output is correct
23 Correct 108 ms 8796 KB Output is correct
24 Correct 1088 ms 156108 KB Output is correct
25 Correct 1044 ms 157056 KB Output is correct
26 Correct 1014 ms 157724 KB Output is correct
27 Correct 680 ms 211152 KB Output is correct
28 Correct 694 ms 211220 KB Output is correct
29 Correct 716 ms 211108 KB Output is correct
30 Correct 813 ms 211064 KB Output is correct
31 Correct 978 ms 208376 KB Output is correct
32 Correct 796 ms 210900 KB Output is correct
33 Correct 621 ms 133060 KB Output is correct
34 Correct 904 ms 154240 KB Output is correct
35 Correct 639 ms 132220 KB Output is correct
36 Correct 676 ms 172512 KB Output is correct
37 Correct 955 ms 166440 KB Output is correct
38 Correct 645 ms 172660 KB Output is correct
39 Correct 1331 ms 156728 KB Output is correct
40 Correct 1180 ms 155432 KB Output is correct
41 Correct 1203 ms 156624 KB Output is correct
42 Correct 1214 ms 156880 KB Output is correct
43 Correct 1144 ms 157304 KB Output is correct
44 Correct 263 ms 8952 KB Output is correct
45 Correct 130 ms 8700 KB Output is correct
46 Correct 116 ms 8552 KB Output is correct
47 Correct 116 ms 8516 KB Output is correct
48 Correct 105 ms 8736 KB Output is correct
49 Correct 999 ms 211196 KB Output is correct
50 Correct 816 ms 210548 KB Output is correct
51 Correct 268 ms 8952 KB Output is correct
52 Correct 113 ms 8700 KB Output is correct
53 Correct 971 ms 171480 KB Output is correct
54 Correct 1198 ms 164272 KB Output is correct
55 Correct 796 ms 171740 KB Output is correct
56 Correct 1071 ms 168652 KB Output is correct
57 Correct 259 ms 9464 KB Output is correct
58 Correct 266 ms 9596 KB Output is correct
59 Correct 112 ms 9044 KB Output is correct
60 Correct 110 ms 9236 KB Output is correct
61 Correct 780 ms 211352 KB Output is correct
62 Correct 814 ms 172664 KB Output is correct
63 Correct 1030 ms 164656 KB Output is correct
64 Correct 976 ms 211372 KB Output is correct
65 Correct 972 ms 171980 KB Output is correct
66 Correct 1357 ms 165608 KB Output is correct
67 Correct 1080 ms 211560 KB Output is correct
68 Correct 1075 ms 172856 KB Output is correct
69 Correct 1365 ms 165264 KB Output is correct
70 Correct 814 ms 211460 KB Output is correct
71 Correct 757 ms 172536 KB Output is correct
72 Correct 1008 ms 165240 KB Output is correct
73 Correct 836 ms 211448 KB Output is correct
74 Correct 800 ms 172688 KB Output is correct
75 Correct 1020 ms 166944 KB Output is correct
76 Correct 895 ms 211600 KB Output is correct
77 Correct 885 ms 211620 KB Output is correct
78 Correct 725 ms 211640 KB Output is correct
79 Correct 260 ms 9548 KB Output is correct
80 Correct 144 ms 9080 KB Output is correct
81 Correct 105 ms 9004 KB Output is correct
82 Correct 993 ms 211424 KB Output is correct
83 Correct 1351 ms 208992 KB Output is correct
84 Correct 1145 ms 211288 KB Output is correct
85 Correct 1199 ms 210196 KB Output is correct
86 Correct 739 ms 211540 KB Output is correct
87 Correct 956 ms 209440 KB Output is correct
88 Correct 256 ms 9568 KB Output is correct
89 Correct 261 ms 9464 KB Output is correct
90 Correct 136 ms 9192 KB Output is correct
91 Correct 131 ms 9088 KB Output is correct
92 Correct 105 ms 9148 KB Output is correct
93 Correct 109 ms 9080 KB Output is correct
94 Correct 890 ms 133672 KB Output is correct
95 Correct 1167 ms 162788 KB Output is correct
96 Correct 878 ms 133020 KB Output is correct
97 Correct 1225 ms 164412 KB Output is correct
98 Correct 649 ms 133544 KB Output is correct
99 Correct 974 ms 159832 KB Output is correct
100 Correct 357 ms 9616 KB Output is correct
101 Incorrect 268 ms 9816 KB Output isn't correct
102 Halted 0 ms 0 KB -