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Submission #963348

# Submission time Handle Problem Language Result Execution time Memory
963348 2024-04-14T21:16:10 Z TimAni Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 781 ms 146620 KB 
//start-time: 2024-04-14 19:39:32
#include <bits/stdc++.h>
 
using namespace std;
using ll = long long;
 
const int w = 100;
 
void solve(){
    int n, m, q;
    cin >> n >> m >> q;
 
    vector<vector<int>> gR(n);
 
    for(int i = 0; i < m; i++){
        int u, v;
        cin >> u >> v;
        gR[v - 1].push_back(u - 1);
    }
    
    vector<vector<pair<int, int>>> dp(n);

    vector<int> vis(n), val(n);
    for(int u = 0; u < n; u++){
        // DONT CREATE VECTORS IN LOOP!
        // vector<int> vis(n), val(n);
        vector<int> cur;
        for(auto &v : gR[u]){
            for(auto &[value, ind] : dp[v]){
                if(vis[ind] != u){
                    val[ind] = value + 1;
                    vis[ind] = u;
                    cur.push_back(ind);
                }
                else{
                    val[ind] = max(val[ind], value + 1);
                }
            }
        }
		for(auto v : cur) dp[u].push_back({val[v],v});
		dp[u].push_back({0,u}); 
        sort(dp[u].rbegin(), dp[u].rend());
		if(dp[u].size()>w) dp[u].erase(dp[u].begin() + w, dp[u].end());
    }
 
    while(q--){
        vector<bool> c(n);
        int u, y, ans = -1;
        cin >> u >> y;
        u--;
        for(int j = 0; j < y; j++){
            int a; cin >> a;
            c[--a] = 1;
        }
 
        if(y < w) {
            for(auto &[v, i] : dp[u]){
                if(!c[i]){
                    ans = max(ans, v);
                }
            }
        }
        else {
            vector<int> naive(n);
            for(int v = 0; v <= u; v++){
                naive[v] = c[v] ? -1 : 0;
                for(auto &el : gR[v]){
                    naive[v] = max(naive[v], naive[el] + (naive[el] != -1));
                }
            }
            ans = naive[u];
        }
 
        cout << ans << endl;
    }
}
 
int main() {
    cin.tie(0)->sync_with_stdio(0);
    ll T = 1;
    //cin >> T;
    while(T--) solve();
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 2 ms 856 KB Output is correct
8 Correct 4 ms 1368 KB Output is correct
9 Correct 4 ms 1372 KB Output is correct
10 Correct 3 ms 1464 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1112 KB Output is correct
13 Correct 3 ms 1372 KB Output is correct
14 Correct 3 ms 1112 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 4 ms 1112 KB Output is correct
19 Correct 3 ms 1116 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 2 ms 856 KB Output is correct
8 Correct 4 ms 1368 KB Output is correct
9 Correct 4 ms 1372 KB Output is correct
10 Correct 3 ms 1464 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1112 KB Output is correct
13 Correct 3 ms 1372 KB Output is correct
14 Correct 3 ms 1112 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 4 ms 1112 KB Output is correct
19 Correct 3 ms 1116 KB Output is correct
20 Correct 50 ms 2388 KB Output is correct
21 Correct 63 ms 2428 KB Output is correct
22 Correct 63 ms 2384 KB Output is correct
23 Correct 51 ms 2528 KB Output is correct
24 Correct 537 ms 113440 KB Output is correct
25 Correct 551 ms 109848 KB Output is correct
26 Correct 569 ms 109584 KB Output is correct
27 Correct 338 ms 113000 KB Output is correct
28 Correct 345 ms 112996 KB Output is correct
29 Correct 360 ms 112556 KB Output is correct
30 Correct 360 ms 112988 KB Output is correct
31 Correct 501 ms 130748 KB Output is correct
32 Correct 338 ms 112752 KB Output is correct
33 Correct 297 ms 77052 KB Output is correct
34 Correct 509 ms 105608 KB Output is correct
35 Correct 293 ms 76756 KB Output is correct
36 Correct 335 ms 93656 KB Output is correct
37 Correct 578 ms 116212 KB Output is correct
38 Correct 312 ms 94288 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 2 ms 856 KB Output is correct
8 Correct 4 ms 1368 KB Output is correct
9 Correct 4 ms 1372 KB Output is correct
10 Correct 3 ms 1464 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1112 KB Output is correct
13 Correct 3 ms 1372 KB Output is correct
14 Correct 3 ms 1112 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 4 ms 1112 KB Output is correct
19 Correct 3 ms 1116 KB Output is correct
20 Correct 50 ms 2388 KB Output is correct
21 Correct 63 ms 2428 KB Output is correct
22 Correct 63 ms 2384 KB Output is correct
23 Correct 51 ms 2528 KB Output is correct
24 Correct 537 ms 113440 KB Output is correct
25 Correct 551 ms 109848 KB Output is correct
26 Correct 569 ms 109584 KB Output is correct
27 Correct 338 ms 113000 KB Output is correct
28 Correct 345 ms 112996 KB Output is correct
29 Correct 360 ms 112556 KB Output is correct
30 Correct 360 ms 112988 KB Output is correct
31 Correct 501 ms 130748 KB Output is correct
32 Correct 338 ms 112752 KB Output is correct
33 Correct 297 ms 77052 KB Output is correct
34 Correct 509 ms 105608 KB Output is correct
35 Correct 293 ms 76756 KB Output is correct
36 Correct 335 ms 93656 KB Output is correct
37 Correct 578 ms 116212 KB Output is correct
38 Correct 312 ms 94288 KB Output is correct
39 Correct 776 ms 118136 KB Output is correct
40 Correct 563 ms 113488 KB Output is correct
41 Correct 754 ms 115136 KB Output is correct
42 Correct 590 ms 114592 KB Output is correct
43 Correct 540 ms 116196 KB Output is correct
44 Correct 193 ms 5444 KB Output is correct
45 Correct 76 ms 4400 KB Output is correct
46 Correct 119 ms 4680 KB Output is correct
47 Correct 63 ms 4332 KB Output is correct
48 Correct 52 ms 4108 KB Output is correct
49 Correct 518 ms 114572 KB Output is correct
50 Correct 616 ms 113608 KB Output is correct
51 Correct 195 ms 5240 KB Output is correct
52 Correct 110 ms 4180 KB Output is correct
53 Correct 572 ms 94732 KB Output is correct
54 Correct 672 ms 115828 KB Output is correct
55 Correct 578 ms 94156 KB Output is correct
56 Correct 781 ms 119104 KB Output is correct
57 Correct 198 ms 5284 KB Output is correct
58 Correct 211 ms 5200 KB Output is correct
59 Correct 114 ms 4408 KB Output is correct
60 Correct 131 ms 4424 KB Output is correct
61 Correct 374 ms 113800 KB Output is correct
62 Correct 410 ms 94596 KB Output is correct
63 Correct 561 ms 114652 KB Output is correct
64 Correct 448 ms 113672 KB Output is correct
65 Correct 454 ms 94412 KB Output is correct
66 Correct 676 ms 116388 KB Output is correct
67 Correct 558 ms 113664 KB Output is correct
68 Correct 550 ms 94744 KB Output is correct
69 Correct 735 ms 116540 KB Output is correct
70 Correct 320 ms 113616 KB Output is correct
71 Correct 342 ms 94444 KB Output is correct
72 Correct 513 ms 116260 KB Output is correct
73 Correct 315 ms 113732 KB Output is correct
74 Correct 323 ms 94460 KB Output is correct
75 Correct 496 ms 118644 KB Output is correct
76 Correct 508 ms 114768 KB Output is correct
77 Correct 566 ms 114140 KB Output is correct
78 Correct 324 ms 114076 KB Output is correct
79 Correct 193 ms 5420 KB Output is correct
80 Correct 119 ms 4636 KB Output is correct
81 Correct 51 ms 4152 KB Output is correct
82 Correct 502 ms 114696 KB Output is correct
83 Correct 649 ms 135868 KB Output is correct
84 Correct 546 ms 114060 KB Output is correct
85 Correct 747 ms 146620 KB Output is correct
86 Correct 345 ms 113888 KB Output is correct
87 Correct 459 ms 135048 KB Output is correct
88 Correct 209 ms 5660 KB Output is correct
89 Correct 194 ms 5304 KB Output is correct
90 Correct 113 ms 4408 KB Output is correct
91 Correct 111 ms 4436 KB Output is correct
92 Correct 69 ms 4068 KB Output is correct
93 Correct 62 ms 4080 KB Output is correct
94 Correct 455 ms 78712 KB Output is correct
95 Correct 679 ms 113920 KB Output is correct
96 Correct 521 ms 77720 KB Output is correct
97 Correct 726 ms 114288 KB Output is correct
98 Correct 270 ms 78136 KB Output is correct
99 Correct 473 ms 109928 KB Output is correct
100 Correct 195 ms 5116 KB Output is correct
101 Correct 199 ms 5252 KB Output is correct
102 Correct 95 ms 4432 KB Output is correct
103 Correct 102 ms 4684 KB Output is correct
104 Correct 54 ms 4164 KB Output is correct
105 Correct 52 ms 4004 KB Output is correct
106 Correct 508 ms 95128 KB Output is correct
107 Correct 684 ms 121172 KB Output is correct
108 Correct 577 ms 95008 KB Output is correct
109 Correct 695 ms 112284 KB Output is correct
110 Correct 326 ms 94820 KB Output is correct
111 Correct 505 ms 117508 KB Output is correct
112 Correct 204 ms 5012 KB Output is correct
113 Correct 202 ms 5020 KB Output is correct
114 Correct 111 ms 4284 KB Output is correct
115 Correct 112 ms 4176 KB Output is correct
116 Correct 63 ms 3916 KB Output is correct
117 Correct 50 ms 3924 KB Output is correct
118 Correct 325 ms 113212 KB Output is correct
119 Correct 329 ms 94112 KB Output is correct
120 Correct 508 ms 121392 KB Output is correct
121 Correct 311 ms 113252 KB Output is correct
122 Correct 324 ms 93668 KB Output is correct
123 Correct 519 ms 120704 KB Output is correct
124 Correct 302 ms 112948 KB Output is correct
125 Correct 314 ms 94204 KB Output is correct
126 Correct 498 ms 117296 KB Output is correct