oj.uz

Submission #884194

# Submission time Handle Problem Language Result Execution time Memory
884194 2023-12-06T17:35:22 Z OAleksa Bitaro’s Party (JOI18_bitaro) C++14
100 / 100
 1806 ms 417856 KB 
#include<bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define int long long
const int N = 1e5 + 69;
const int B = 200;
int n, m, q, cnt[N], d[N], vis[N], val[N];
vector<int> in[N];
vector<pair<int, int>> dis[N];
signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
  int tt = 1;
	//cin >> tt;
  while (tt--) {
   	cin >> n >> m >> q;
   	for (int i = 1;i <= m;i++) {
   		int a, b;
   		cin >> a >> b;
   		in[b].push_back(a);
   	}
   	for (int i = 1;i <= n;i++) {
   		vector<int> cur;
   		cur.push_back(i);
   		for (auto u : in[i]) {
   			if (vis[u] != i) {
	 				vis[u] = i;
	 				cur.push_back(u);
	 				val[u] = 1;
 				}
   			for (auto y : dis[u]) {
   				int x = y.f, d = y.s;
   				if (vis[x] == i)
   					val[x] = max(val[x], d + 1);
   				else {
   					vis[x] = i;
   					val[x] = d + 1;
   					cur.push_back(x);
   				}
   			}
   		}
   		sort(cur.begin(), cur.end(), [&](int x, int y) {
   			return val[x] > val[y];
   		});
   		for (int j = 0;j < min(B, (int)cur.size());j++)
   			dis[i].push_back({cur[j], val[cur[j]]});
   	}
   	while (q--) {
   		int s, c;
   		cin >> s >> c;
   		int a[c];
   		for (int i = 0;i < c;i++) {
   			cin >> a[i];
   			cnt[a[i]] = 1;
   		}
   		int ans = -cnt[s];
   		if (c < B) {
   			for (auto u : dis[s]) {
   				if (!cnt[u.f])		
   					ans = max(ans, u.s);
   			}
   		}
   		else {
   			for (int i = 1;i <= n;i++) 
   				d[i] = -1;
   			d[s] = 0;
   			for (int i = s;i >= 1;i--) {
   				if (d[i] >= 0) {
	   				if (!cnt[i])
	   					ans = max(ans, d[i]);
	   				for (auto u : in[i]) 
	   					d[u] = max(d[u], d[i] + 1);
   				}
   			}
   		}
   		cout << ans << '\n';
   		for (int i = 0;i < c;i++)
   			cnt[a[i]] = 0;
   	}
	}
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 2 ms 6748 KB Output is correct
5 Correct 3 ms 7516 KB Output is correct
6 Correct 5 ms 7516 KB Output is correct
7 Correct 3 ms 7516 KB Output is correct
8 Correct 15 ms 10332 KB Output is correct
9 Correct 15 ms 10328 KB Output is correct
10 Correct 15 ms 10328 KB Output is correct
11 Correct 14 ms 10076 KB Output is correct
12 Correct 7 ms 9052 KB Output is correct
13 Correct 13 ms 10076 KB Output is correct
14 Correct 8 ms 8796 KB Output is correct
15 Correct 5 ms 8060 KB Output is correct
16 Correct 8 ms 8792 KB Output is correct
17 Correct 9 ms 9308 KB Output is correct
18 Correct 6 ms 8540 KB Output is correct
19 Correct 9 ms 9400 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 2 ms 6748 KB Output is correct
5 Correct 3 ms 7516 KB Output is correct
6 Correct 5 ms 7516 KB Output is correct
7 Correct 3 ms 7516 KB Output is correct
8 Correct 15 ms 10332 KB Output is correct
9 Correct 15 ms 10328 KB Output is correct
10 Correct 15 ms 10328 KB Output is correct
11 Correct 14 ms 10076 KB Output is correct
12 Correct 7 ms 9052 KB Output is correct
13 Correct 13 ms 10076 KB Output is correct
14 Correct 8 ms 8796 KB Output is correct
15 Correct 5 ms 8060 KB Output is correct
16 Correct 8 ms 8792 KB Output is correct
17 Correct 9 ms 9308 KB Output is correct
18 Correct 6 ms 8540 KB Output is correct
19 Correct 9 ms 9400 KB Output is correct
20 Correct 77 ms 12744 KB Output is correct
21 Correct 76 ms 12624 KB Output is correct
22 Correct 78 ms 12540 KB Output is correct
23 Correct 79 ms 12628 KB Output is correct
24 Correct 907 ms 296212 KB Output is correct
25 Correct 955 ms 305112 KB Output is correct
26 Correct 909 ms 304504 KB Output is correct
27 Correct 1596 ms 416324 KB Output is correct
28 Correct 1646 ms 416372 KB Output is correct
29 Correct 1587 ms 415900 KB Output is correct
30 Correct 1571 ms 416068 KB Output is correct
31 Correct 1408 ms 405664 KB Output is correct
32 Correct 1558 ms 415996 KB Output is correct
33 Correct 819 ms 260024 KB Output is correct
34 Correct 776 ms 222700 KB Output is correct
35 Correct 804 ms 257940 KB Output is correct
36 Correct 1016 ms 338516 KB Output is correct
37 Correct 876 ms 314008 KB Output is correct
38 Correct 1042 ms 339280 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 2 ms 6748 KB Output is correct
5 Correct 3 ms 7516 KB Output is correct
6 Correct 5 ms 7516 KB Output is correct
7 Correct 3 ms 7516 KB Output is correct
8 Correct 15 ms 10332 KB Output is correct
9 Correct 15 ms 10328 KB Output is correct
10 Correct 15 ms 10328 KB Output is correct
11 Correct 14 ms 10076 KB Output is correct
12 Correct 7 ms 9052 KB Output is correct
13 Correct 13 ms 10076 KB Output is correct
14 Correct 8 ms 8796 KB Output is correct
15 Correct 5 ms 8060 KB Output is correct
16 Correct 8 ms 8792 KB Output is correct
17 Correct 9 ms 9308 KB Output is correct
18 Correct 6 ms 8540 KB Output is correct
19 Correct 9 ms 9400 KB Output is correct
20 Correct 77 ms 12744 KB Output is correct
21 Correct 76 ms 12624 KB Output is correct
22 Correct 78 ms 12540 KB Output is correct
23 Correct 79 ms 12628 KB Output is correct
24 Correct 907 ms 296212 KB Output is correct
25 Correct 955 ms 305112 KB Output is correct
26 Correct 909 ms 304504 KB Output is correct
27 Correct 1596 ms 416324 KB Output is correct
28 Correct 1646 ms 416372 KB Output is correct
29 Correct 1587 ms 415900 KB Output is correct
30 Correct 1571 ms 416068 KB Output is correct
31 Correct 1408 ms 405664 KB Output is correct
32 Correct 1558 ms 415996 KB Output is correct
33 Correct 819 ms 260024 KB Output is correct
34 Correct 776 ms 222700 KB Output is correct
35 Correct 804 ms 257940 KB Output is correct
36 Correct 1016 ms 338516 KB Output is correct
37 Correct 876 ms 314008 KB Output is correct
38 Correct 1042 ms 339280 KB Output is correct
39 Correct 945 ms 300200 KB Output is correct
40 Correct 932 ms 303696 KB Output is correct
41 Correct 908 ms 304212 KB Output is correct
42 Correct 884 ms 304560 KB Output is correct
43 Correct 930 ms 302880 KB Output is correct
44 Correct 119 ms 15472 KB Output is correct
45 Correct 87 ms 14772 KB Output is correct
46 Correct 82 ms 14608 KB Output is correct
47 Correct 87 ms 14448 KB Output is correct
48 Correct 80 ms 14160 KB Output is correct
49 Correct 1700 ms 416636 KB Output is correct
50 Correct 1663 ms 415576 KB Output is correct
51 Correct 117 ms 15184 KB Output is correct
52 Correct 81 ms 14496 KB Output is correct
53 Correct 1080 ms 337804 KB Output is correct
54 Correct 949 ms 313984 KB Output is correct
55 Correct 1041 ms 336568 KB Output is correct
56 Correct 892 ms 314384 KB Output is correct
57 Correct 116 ms 15316 KB Output is correct
58 Correct 126 ms 15260 KB Output is correct
59 Correct 81 ms 14512 KB Output is correct
60 Correct 81 ms 14468 KB Output is correct
61 Correct 1730 ms 416740 KB Output is correct
62 Correct 1020 ms 338900 KB Output is correct
63 Correct 868 ms 312992 KB Output is correct
64 Correct 1703 ms 416324 KB Output is correct
65 Correct 1095 ms 337384 KB Output is correct
66 Correct 938 ms 314960 KB Output is correct
67 Correct 1704 ms 416420 KB Output is correct
68 Correct 1148 ms 338772 KB Output is correct
69 Correct 887 ms 311028 KB Output is correct
70 Correct 1567 ms 416688 KB Output is correct
71 Correct 1024 ms 338848 KB Output is correct
72 Correct 919 ms 313956 KB Output is correct
73 Correct 1619 ms 416288 KB Output is correct
74 Correct 1010 ms 338468 KB Output is correct
75 Correct 864 ms 313628 KB Output is correct
76 Correct 1806 ms 417856 KB Output is correct
77 Correct 1582 ms 417148 KB Output is correct
78 Correct 1609 ms 417728 KB Output is correct
79 Correct 119 ms 15348 KB Output is correct
80 Correct 89 ms 14676 KB Output is correct
81 Correct 78 ms 14216 KB Output is correct
82 Correct 1639 ms 417424 KB Output is correct
83 Correct 1514 ms 407320 KB Output is correct
84 Correct 1607 ms 416948 KB Output is correct
85 Correct 1426 ms 405956 KB Output is correct
86 Correct 1616 ms 417480 KB Output is correct
87 Correct 1471 ms 407376 KB Output is correct
88 Correct 143 ms 15368 KB Output is correct
89 Correct 140 ms 15500 KB Output is correct
90 Correct 83 ms 14672 KB Output is correct
91 Correct 88 ms 14420 KB Output is correct
92 Correct 78 ms 14224 KB Output is correct
93 Correct 91 ms 14212 KB Output is correct
94 Correct 866 ms 261504 KB Output is correct
95 Correct 839 ms 223172 KB Output is correct
96 Correct 795 ms 259872 KB Output is correct
97 Correct 773 ms 226792 KB Output is correct
98 Correct 780 ms 260908 KB Output is correct
99 Correct 766 ms 225984 KB Output is correct
100 Correct 121 ms 15696 KB Output is correct
101 Correct 145 ms 15628 KB Output is correct
102 Correct 87 ms 14584 KB Output is correct
103 Correct 89 ms 14516 KB Output is correct
104 Correct 82 ms 14160 KB Output is correct
105 Correct 86 ms 14252 KB Output is correct
106 Correct 1118 ms 338716 KB Output is correct
107 Correct 970 ms 315492 KB Output is correct
108 Correct 1050 ms 340184 KB Output is correct
109 Correct 859 ms 314540 KB Output is correct
110 Correct 1048 ms 340692 KB Output is correct
111 Correct 918 ms 315968 KB Output is correct
112 Correct 122 ms 15628 KB Output is correct
113 Correct 119 ms 15440 KB Output is correct
114 Correct 82 ms 14676 KB Output is correct
115 Correct 82 ms 14420 KB Output is correct
116 Correct 76 ms 14192 KB Output is correct
117 Correct 86 ms 14296 KB Output is correct
118 Correct 1597 ms 415404 KB Output is correct
119 Correct 1006 ms 338536 KB Output is correct
120 Correct 867 ms 312852 KB Output is correct
121 Correct 1571 ms 415624 KB Output is correct
122 Correct 1016 ms 337088 KB Output is correct
123 Correct 888 ms 312280 KB Output is correct
124 Correct 1666 ms 415572 KB Output is correct
125 Correct 1056 ms 338964 KB Output is correct
126 Correct 854 ms 311744 KB Output is correct