oj.uz

Submission #95048

# Submission time Handle Problem Language Result Execution time Memory
95048 2019-01-27T07:11:54 Z Mahdi_Jfri Bitaro’s Party (JOI18_bitaro) C++14
14 / 100
 1423 ms 214776 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);
	}

	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(sz);
		for(auto &x : tmp)
			cin >> x , x--;

		for(auto x : tmp)
			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 6 ms 4984 KB Output is correct
2 Correct 6 ms 5084 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 8 ms 5496 KB Output is correct
6 Correct 8 ms 5624 KB Output is correct
7 Correct 8 ms 5496 KB Output is correct
8 Correct 11 ms 6904 KB Output is correct
9 Correct 11 ms 6904 KB Output is correct
10 Correct 12 ms 6904 KB Output is correct
11 Correct 12 ms 6904 KB Output is correct
12 Correct 12 ms 6264 KB Output is correct
13 Correct 12 ms 6776 KB Output is correct
14 Correct 11 ms 6136 KB Output is correct
15 Correct 10 ms 5752 KB Output is correct
16 Correct 11 ms 6136 KB Output is correct
17 Correct 12 ms 6396 KB Output is correct
18 Correct 11 ms 6008 KB Output is correct
19 Correct 12 ms 6520 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 5084 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 8 ms 5496 KB Output is correct
6 Correct 8 ms 5624 KB Output is correct
7 Correct 8 ms 5496 KB Output is correct
8 Correct 11 ms 6904 KB Output is correct
9 Correct 11 ms 6904 KB Output is correct
10 Correct 12 ms 6904 KB Output is correct
11 Correct 12 ms 6904 KB Output is correct
12 Correct 12 ms 6264 KB Output is correct
13 Correct 12 ms 6776 KB Output is correct
14 Correct 11 ms 6136 KB Output is correct
15 Correct 10 ms 5752 KB Output is correct
16 Correct 11 ms 6136 KB Output is correct
17 Correct 12 ms 6396 KB Output is correct
18 Correct 11 ms 6008 KB Output is correct
19 Correct 12 ms 6520 KB Output is correct
20 Correct 107 ms 8908 KB Output is correct
21 Correct 109 ms 8824 KB Output is correct
22 Correct 109 ms 8824 KB Output is correct
23 Correct 110 ms 9080 KB Output is correct
24 Correct 1153 ms 157056 KB Output is correct
25 Correct 1083 ms 158124 KB Output is correct
26 Correct 1148 ms 158828 KB Output is correct
27 Correct 776 ms 211348 KB Output is correct
28 Correct 748 ms 211064 KB Output is correct
29 Correct 790 ms 211032 KB Output is correct
30 Correct 811 ms 210692 KB Output is correct
31 Correct 1048 ms 208112 KB Output is correct
32 Correct 790 ms 210840 KB Output is correct
33 Correct 634 ms 132840 KB Output is correct
34 Correct 953 ms 154104 KB Output is correct
35 Correct 633 ms 132216 KB Output is correct
36 Correct 636 ms 172152 KB Output is correct
37 Correct 934 ms 166492 KB Output is correct
38 Correct 672 ms 172408 KB Output is correct

Subtask #3
0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 5084 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 8 ms 5496 KB Output is correct
6 Correct 8 ms 5624 KB Output is correct
7 Correct 8 ms 5496 KB Output is correct
8 Correct 11 ms 6904 KB Output is correct
9 Correct 11 ms 6904 KB Output is correct
10 Correct 12 ms 6904 KB Output is correct
11 Correct 12 ms 6904 KB Output is correct
12 Correct 12 ms 6264 KB Output is correct
13 Correct 12 ms 6776 KB Output is correct
14 Correct 11 ms 6136 KB Output is correct
15 Correct 10 ms 5752 KB Output is correct
16 Correct 11 ms 6136 KB Output is correct
17 Correct 12 ms 6396 KB Output is correct
18 Correct 11 ms 6008 KB Output is correct
19 Correct 12 ms 6520 KB Output is correct
20 Correct 107 ms 8908 KB Output is correct
21 Correct 109 ms 8824 KB Output is correct
22 Correct 109 ms 8824 KB Output is correct
23 Correct 110 ms 9080 KB Output is correct
24 Correct 1153 ms 157056 KB Output is correct
25 Correct 1083 ms 158124 KB Output is correct
26 Correct 1148 ms 158828 KB Output is correct
27 Correct 776 ms 211348 KB Output is correct
28 Correct 748 ms 211064 KB Output is correct
29 Correct 790 ms 211032 KB Output is correct
30 Correct 811 ms 210692 KB Output is correct
31 Correct 1048 ms 208112 KB Output is correct
32 Correct 790 ms 210840 KB Output is correct
33 Correct 634 ms 132840 KB Output is correct
34 Correct 953 ms 154104 KB Output is correct
35 Correct 633 ms 132216 KB Output is correct
36 Correct 636 ms 172152 KB Output is correct
37 Correct 934 ms 166492 KB Output is correct
38 Correct 672 ms 172408 KB Output is correct
39 Correct 1423 ms 156760 KB Output is correct
40 Correct 1232 ms 155928 KB Output is correct
41 Correct 1154 ms 157136 KB Output is correct
42 Correct 1171 ms 157304 KB Output is correct
43 Correct 1026 ms 157536 KB Output is correct
44 Correct 253 ms 9080 KB Output is correct
45 Correct 127 ms 10360 KB Output is correct
46 Correct 107 ms 10104 KB Output is correct
47 Correct 122 ms 9796 KB Output is correct
48 Correct 213 ms 9720 KB Output is correct
49 Correct 980 ms 214296 KB Output is correct
50 Correct 729 ms 213112 KB Output is correct
51 Correct 254 ms 10808 KB Output is correct
52 Correct 110 ms 10072 KB Output is correct
53 Correct 911 ms 174832 KB Output is correct
54 Correct 1163 ms 167416 KB Output is correct
55 Correct 787 ms 173732 KB Output is correct
56 Correct 1076 ms 170452 KB Output is correct
57 Correct 276 ms 11000 KB Output is correct
58 Correct 259 ms 11000 KB Output is correct
59 Correct 120 ms 9976 KB Output is correct
60 Correct 120 ms 10176 KB Output is correct
61 Correct 899 ms 213580 KB Output is correct
62 Correct 850 ms 174880 KB Output is correct
63 Correct 1097 ms 166760 KB Output is correct
64 Correct 1030 ms 213612 KB Output is correct
65 Correct 1052 ms 174328 KB Output is correct
66 Correct 1245 ms 167872 KB Output is correct
67 Correct 1194 ms 213624 KB Output is correct
68 Correct 1238 ms 174968 KB Output is correct
69 Correct 1389 ms 167324 KB Output is correct
70 Correct 877 ms 213716 KB Output is correct
71 Correct 789 ms 174840 KB Output is correct
72 Correct 1069 ms 167468 KB Output is correct
73 Correct 925 ms 213580 KB Output is correct
74 Correct 798 ms 174796 KB Output is correct
75 Correct 1065 ms 169208 KB Output is correct
76 Correct 1018 ms 214764 KB Output is correct
77 Correct 1114 ms 213884 KB Output is correct
78 Correct 896 ms 213880 KB Output is correct
79 Correct 257 ms 11088 KB Output is correct
80 Correct 129 ms 10032 KB Output is correct
81 Correct 101 ms 9720 KB Output is correct
82 Correct 970 ms 214776 KB Output is correct
83 Correct 1247 ms 212180 KB Output is correct
84 Correct 1027 ms 213624 KB Output is correct
85 Correct 1309 ms 212552 KB Output is correct
86 Correct 886 ms 213772 KB Output is correct
87 Correct 1142 ms 211488 KB Output is correct
88 Correct 270 ms 11128 KB Output is correct
89 Correct 272 ms 11032 KB Output is correct
90 Correct 141 ms 10120 KB Output is correct
91 Correct 141 ms 10140 KB Output is correct
92 Correct 103 ms 9720 KB Output is correct
93 Correct 108 ms 9720 KB Output is correct
94 Correct 924 ms 137080 KB Output is correct
95 Correct 1112 ms 166136 KB Output is correct
96 Correct 763 ms 135516 KB Output is correct
97 Correct 1161 ms 166780 KB Output is correct
98 Correct 630 ms 135800 KB Output is correct
99 Correct 958 ms 162160 KB Output is correct
100 Correct 263 ms 11224 KB Output is correct
101 Incorrect 257 ms 11256 KB Output isn't correct
102 Halted 0 ms 0 KB -