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Submission #751294

# Submission time Handle Problem Language Result Execution time Memory
751294 2023-05-31T10:57:54 Z Dan4Life Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 1259 ms 86192 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int mxN = (int)2e5+2;
const int B = 50;

int n, m, Q, a, b;
vector<int> adj[mxN], cur;
vector<array<int,2>> node[mxN];
int bad[mxN], vis[mxN], dis[mxN], dp[mxN];

int main() {
	cin >> n >> m >> Q;
	for(int i = 0; i < m; i++)
		cin >> a >> b, adj[b].pb(a);
	for(int i = 1; i <= n; i++, cur.clear()){
		for(auto j : adj[i]){
			for(auto [w,u] : node[j]){
				if(vis[u]==i) dis[u] = max(dis[u], w+1);
				else vis[u]=i, dis[u] = w+1, cur.pb(u);
			}
		}
		for(auto u : cur) node[i].pb({dis[u],u});
		node[i].pb({0,i}); sort(rbegin(node[i]),rend(node[i]));
		if(node[i].size()>B) node[i].erase(begin(node[i])+B,end(node[i]));
	}
	for(int q = 1; q <= Q; q++){
		int t, k, x, ans=-1; cin >> t >> k;
		for(int i = 0; i < k; i++) cin >> x, bad[x]=q;
		if(k<B){
			for(auto [w,u] : node[t]){
				if(bad[u]!=q){ ans=w; break; }
			}
		}
		else{
			fill(dp, dp+n+1, -1);
			for(int i = 1; i <= t; i++){
				if(bad[i]!=q) dp[i]=0;
				for(auto j : adj[i]) if(dp[j]!=-1) 
					dp[i] = max(dp[i],dp[j]+1);
			}
			ans = dp[t];
		}
		cout << ans << "\n";
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 6 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 8 ms 10068 KB Output is correct
6 Correct 9 ms 10068 KB Output is correct
7 Correct 8 ms 10068 KB Output is correct
8 Correct 7 ms 10196 KB Output is correct
9 Correct 10 ms 10196 KB Output is correct
10 Correct 8 ms 10196 KB Output is correct
11 Correct 9 ms 10196 KB Output is correct
12 Correct 10 ms 10260 KB Output is correct
13 Correct 8 ms 10196 KB Output is correct
14 Correct 8 ms 10108 KB Output is correct
15 Correct 8 ms 10100 KB Output is correct
16 Correct 8 ms 10068 KB Output is correct
17 Correct 8 ms 10068 KB Output is correct
18 Correct 8 ms 10068 KB Output is correct
19 Correct 11 ms 10092 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 6 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 8 ms 10068 KB Output is correct
6 Correct 9 ms 10068 KB Output is correct
7 Correct 8 ms 10068 KB Output is correct
8 Correct 7 ms 10196 KB Output is correct
9 Correct 10 ms 10196 KB Output is correct
10 Correct 8 ms 10196 KB Output is correct
11 Correct 9 ms 10196 KB Output is correct
12 Correct 10 ms 10260 KB Output is correct
13 Correct 8 ms 10196 KB Output is correct
14 Correct 8 ms 10108 KB Output is correct
15 Correct 8 ms 10100 KB Output is correct
16 Correct 8 ms 10068 KB Output is correct
17 Correct 8 ms 10068 KB Output is correct
18 Correct 8 ms 10068 KB Output is correct
19 Correct 11 ms 10092 KB Output is correct
20 Correct 122 ms 11248 KB Output is correct
21 Correct 117 ms 11360 KB Output is correct
22 Correct 123 ms 11300 KB Output is correct
23 Correct 122 ms 11432 KB Output is correct
24 Correct 472 ms 69360 KB Output is correct
25 Correct 505 ms 67244 KB Output is correct
26 Correct 487 ms 67524 KB Output is correct
27 Correct 361 ms 65424 KB Output is correct
28 Correct 382 ms 65304 KB Output is correct
29 Correct 350 ms 65160 KB Output is correct
30 Correct 351 ms 65376 KB Output is correct
31 Correct 423 ms 73864 KB Output is correct
32 Correct 348 ms 65108 KB Output is correct
33 Correct 329 ms 50420 KB Output is correct
34 Correct 424 ms 65824 KB Output is correct
35 Correct 330 ms 50172 KB Output is correct
36 Correct 327 ms 56480 KB Output is correct
37 Correct 438 ms 70732 KB Output is correct
38 Correct 343 ms 56428 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 6 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 8 ms 10068 KB Output is correct
6 Correct 9 ms 10068 KB Output is correct
7 Correct 8 ms 10068 KB Output is correct
8 Correct 7 ms 10196 KB Output is correct
9 Correct 10 ms 10196 KB Output is correct
10 Correct 8 ms 10196 KB Output is correct
11 Correct 9 ms 10196 KB Output is correct
12 Correct 10 ms 10260 KB Output is correct
13 Correct 8 ms 10196 KB Output is correct
14 Correct 8 ms 10108 KB Output is correct
15 Correct 8 ms 10100 KB Output is correct
16 Correct 8 ms 10068 KB Output is correct
17 Correct 8 ms 10068 KB Output is correct
18 Correct 8 ms 10068 KB Output is correct
19 Correct 11 ms 10092 KB Output is correct
20 Correct 122 ms 11248 KB Output is correct
21 Correct 117 ms 11360 KB Output is correct
22 Correct 123 ms 11300 KB Output is correct
23 Correct 122 ms 11432 KB Output is correct
24 Correct 472 ms 69360 KB Output is correct
25 Correct 505 ms 67244 KB Output is correct
26 Correct 487 ms 67524 KB Output is correct
27 Correct 361 ms 65424 KB Output is correct
28 Correct 382 ms 65304 KB Output is correct
29 Correct 350 ms 65160 KB Output is correct
30 Correct 351 ms 65376 KB Output is correct
31 Correct 423 ms 73864 KB Output is correct
32 Correct 348 ms 65108 KB Output is correct
33 Correct 329 ms 50420 KB Output is correct
34 Correct 424 ms 65824 KB Output is correct
35 Correct 330 ms 50172 KB Output is correct
36 Correct 327 ms 56480 KB Output is correct
37 Correct 438 ms 70732 KB Output is correct
38 Correct 343 ms 56428 KB Output is correct
39 Correct 669 ms 70096 KB Output is correct
40 Correct 472 ms 61456 KB Output is correct
41 Correct 1095 ms 62804 KB Output is correct
42 Correct 590 ms 68700 KB Output is correct
43 Correct 489 ms 66420 KB Output is correct
44 Correct 307 ms 11676 KB Output is correct
45 Correct 197 ms 11312 KB Output is correct
46 Correct 471 ms 11308 KB Output is correct
47 Correct 168 ms 11332 KB Output is correct
48 Correct 129 ms 11364 KB Output is correct
49 Correct 524 ms 65132 KB Output is correct
50 Correct 1000 ms 64964 KB Output is correct
51 Correct 299 ms 11596 KB Output is correct
52 Correct 462 ms 11236 KB Output is correct
53 Correct 545 ms 56104 KB Output is correct
54 Correct 663 ms 67964 KB Output is correct
55 Correct 1034 ms 56044 KB Output is correct
56 Correct 1259 ms 68380 KB Output is correct
57 Correct 305 ms 11724 KB Output is correct
58 Correct 305 ms 11672 KB Output is correct
59 Correct 550 ms 11256 KB Output is correct
60 Correct 436 ms 11244 KB Output is correct
61 Correct 391 ms 64908 KB Output is correct
62 Correct 447 ms 56228 KB Output is correct
63 Correct 513 ms 67908 KB Output is correct
64 Correct 508 ms 64928 KB Output is correct
65 Correct 536 ms 56420 KB Output is correct
66 Correct 664 ms 68272 KB Output is correct
67 Correct 684 ms 64848 KB Output is correct
68 Correct 642 ms 56232 KB Output is correct
69 Correct 729 ms 68576 KB Output is correct
70 Correct 384 ms 65052 KB Output is correct
71 Correct 361 ms 56132 KB Output is correct
72 Correct 448 ms 64988 KB Output is correct
73 Correct 402 ms 64968 KB Output is correct
74 Correct 358 ms 56316 KB Output is correct
75 Correct 491 ms 70208 KB Output is correct
76 Correct 521 ms 65528 KB Output is correct
77 Correct 837 ms 65416 KB Output is correct
78 Correct 360 ms 65380 KB Output is correct
79 Correct 312 ms 11644 KB Output is correct
80 Correct 357 ms 11340 KB Output is correct
81 Correct 158 ms 11268 KB Output is correct
82 Correct 560 ms 65432 KB Output is correct
83 Correct 655 ms 80512 KB Output is correct
84 Correct 774 ms 65348 KB Output is correct
85 Correct 925 ms 86192 KB Output is correct
86 Correct 406 ms 65232 KB Output is correct
87 Correct 460 ms 77196 KB Output is correct
88 Correct 321 ms 11680 KB Output is correct
89 Correct 296 ms 11808 KB Output is correct
90 Correct 362 ms 11344 KB Output is correct
91 Correct 356 ms 11248 KB Output is correct
92 Correct 124 ms 11320 KB Output is correct
93 Correct 145 ms 11232 KB Output is correct
94 Correct 529 ms 50520 KB Output is correct
95 Correct 660 ms 69396 KB Output is correct
96 Correct 729 ms 50320 KB Output is correct
97 Correct 932 ms 69376 KB Output is correct
98 Correct 355 ms 50636 KB Output is correct
99 Correct 483 ms 67456 KB Output is correct
100 Correct 317 ms 11728 KB Output is correct
101 Correct 314 ms 11644 KB Output is correct
102 Correct 280 ms 11324 KB Output is correct
103 Correct 286 ms 11276 KB Output is correct
104 Correct 137 ms 11380 KB Output is correct
105 Correct 124 ms 11288 KB Output is correct
106 Correct 509 ms 56548 KB Output is correct
107 Correct 686 ms 71308 KB Output is correct
108 Correct 828 ms 56676 KB Output is correct
109 Correct 908 ms 66636 KB Output is correct
110 Correct 364 ms 56636 KB Output is correct
111 Correct 475 ms 67908 KB Output is correct
112 Correct 319 ms 11716 KB Output is correct
113 Correct 335 ms 11700 KB Output is correct
114 Correct 380 ms 11268 KB Output is correct
115 Correct 412 ms 11236 KB Output is correct
116 Correct 122 ms 11288 KB Output is correct
117 Correct 129 ms 11244 KB Output is correct
118 Correct 374 ms 64604 KB Output is correct
119 Correct 386 ms 55796 KB Output is correct
120 Correct 475 ms 71240 KB Output is correct
121 Correct 363 ms 64576 KB Output is correct
122 Correct 380 ms 55680 KB Output is correct
123 Correct 510 ms 69952 KB Output is correct
124 Correct 901 ms 64960 KB Output is correct
125 Correct 959 ms 56524 KB Output is correct
126 Correct 1004 ms 68184 KB Output is correct