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Submission #963347

# Submission time Handle Problem Language Result Execution time Memory
963347 2024-04-14T21:14:32 Z TimAni Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 814 ms 145560 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++){
        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 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 3 ms 856 KB Output is correct
7 Correct 3 ms 856 KB Output is correct
8 Correct 3 ms 1372 KB Output is correct
9 Correct 3 ms 1372 KB Output is correct
10 Correct 5 ms 1368 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1116 KB Output is correct
13 Correct 3 ms 1392 KB Output is correct
14 Correct 3 ms 972 KB Output is correct
15 Correct 3 ms 856 KB Output is correct
16 Correct 3 ms 1116 KB Output is correct
17 Correct 3 ms 1116 KB Output is correct
18 Correct 3 ms 1120 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 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 3 ms 856 KB Output is correct
7 Correct 3 ms 856 KB Output is correct
8 Correct 3 ms 1372 KB Output is correct
9 Correct 3 ms 1372 KB Output is correct
10 Correct 5 ms 1368 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1116 KB Output is correct
13 Correct 3 ms 1392 KB Output is correct
14 Correct 3 ms 972 KB Output is correct
15 Correct 3 ms 856 KB Output is correct
16 Correct 3 ms 1116 KB Output is correct
17 Correct 3 ms 1116 KB Output is correct
18 Correct 3 ms 1120 KB Output is correct
19 Correct 3 ms 1116 KB Output is correct
20 Correct 59 ms 3516 KB Output is correct
21 Correct 94 ms 3416 KB Output is correct
22 Correct 51 ms 3420 KB Output is correct
23 Correct 52 ms 3668 KB Output is correct
24 Correct 546 ms 115312 KB Output is correct
25 Correct 551 ms 111516 KB Output is correct
26 Correct 542 ms 111220 KB Output is correct
27 Correct 342 ms 112680 KB Output is correct
28 Correct 314 ms 112596 KB Output is correct
29 Correct 309 ms 113096 KB Output is correct
30 Correct 350 ms 112608 KB Output is correct
31 Correct 507 ms 130836 KB Output is correct
32 Correct 341 ms 112964 KB Output is correct
33 Correct 311 ms 76632 KB Output is correct
34 Correct 492 ms 105304 KB Output is correct
35 Correct 293 ms 76372 KB Output is correct
36 Correct 300 ms 93532 KB Output is correct
37 Correct 520 ms 115300 KB Output is correct
38 Correct 382 ms 93936 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 3 ms 856 KB Output is correct
7 Correct 3 ms 856 KB Output is correct
8 Correct 3 ms 1372 KB Output is correct
9 Correct 3 ms 1372 KB Output is correct
10 Correct 5 ms 1368 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1116 KB Output is correct
13 Correct 3 ms 1392 KB Output is correct
14 Correct 3 ms 972 KB Output is correct
15 Correct 3 ms 856 KB Output is correct
16 Correct 3 ms 1116 KB Output is correct
17 Correct 3 ms 1116 KB Output is correct
18 Correct 3 ms 1120 KB Output is correct
19 Correct 3 ms 1116 KB Output is correct
20 Correct 59 ms 3516 KB Output is correct
21 Correct 94 ms 3416 KB Output is correct
22 Correct 51 ms 3420 KB Output is correct
23 Correct 52 ms 3668 KB Output is correct
24 Correct 546 ms 115312 KB Output is correct
25 Correct 551 ms 111516 KB Output is correct
26 Correct 542 ms 111220 KB Output is correct
27 Correct 342 ms 112680 KB Output is correct
28 Correct 314 ms 112596 KB Output is correct
29 Correct 309 ms 113096 KB Output is correct
30 Correct 350 ms 112608 KB Output is correct
31 Correct 507 ms 130836 KB Output is correct
32 Correct 341 ms 112964 KB Output is correct
33 Correct 311 ms 76632 KB Output is correct
34 Correct 492 ms 105304 KB Output is correct
35 Correct 293 ms 76372 KB Output is correct
36 Correct 300 ms 93532 KB Output is correct
37 Correct 520 ms 115300 KB Output is correct
38 Correct 382 ms 93936 KB Output is correct
39 Correct 728 ms 116988 KB Output is correct
40 Correct 549 ms 112348 KB Output is correct
41 Correct 814 ms 113924 KB Output is correct
42 Correct 616 ms 113452 KB Output is correct
43 Correct 559 ms 115104 KB Output is correct
44 Correct 200 ms 4228 KB Output is correct
45 Correct 81 ms 3668 KB Output is correct
46 Correct 119 ms 3780 KB Output is correct
47 Correct 74 ms 4304 KB Output is correct
48 Correct 53 ms 3500 KB Output is correct
49 Correct 512 ms 113236 KB Output is correct
50 Correct 601 ms 112736 KB Output is correct
51 Correct 205 ms 4432 KB Output is correct
52 Correct 128 ms 3556 KB Output is correct
53 Correct 516 ms 93636 KB Output is correct
54 Correct 680 ms 114700 KB Output is correct
55 Correct 584 ms 93128 KB Output is correct
56 Correct 764 ms 118068 KB Output is correct
57 Correct 208 ms 4724 KB Output is correct
58 Correct 208 ms 4328 KB Output is correct
59 Correct 120 ms 3540 KB Output is correct
60 Correct 112 ms 3656 KB Output is correct
61 Correct 349 ms 112688 KB Output is correct
62 Correct 370 ms 93660 KB Output is correct
63 Correct 526 ms 113668 KB Output is correct
64 Correct 470 ms 112888 KB Output is correct
65 Correct 471 ms 93660 KB Output is correct
66 Correct 650 ms 115716 KB Output is correct
67 Correct 571 ms 112868 KB Output is correct
68 Correct 556 ms 93712 KB Output is correct
69 Correct 732 ms 115532 KB Output is correct
70 Correct 317 ms 112764 KB Output is correct
71 Correct 309 ms 93504 KB Output is correct
72 Correct 489 ms 115284 KB Output is correct
73 Correct 334 ms 112992 KB Output is correct
74 Correct 340 ms 93864 KB Output is correct
75 Correct 502 ms 117628 KB Output is correct
76 Correct 497 ms 113564 KB Output is correct
77 Correct 565 ms 113104 KB Output is correct
78 Correct 315 ms 112996 KB Output is correct
79 Correct 196 ms 4192 KB Output is correct
80 Correct 109 ms 3668 KB Output is correct
81 Correct 58 ms 3592 KB Output is correct
82 Correct 543 ms 113932 KB Output is correct
83 Correct 676 ms 134848 KB Output is correct
84 Correct 548 ms 112920 KB Output is correct
85 Correct 714 ms 145560 KB Output is correct
86 Correct 346 ms 112960 KB Output is correct
87 Correct 462 ms 134028 KB Output is correct
88 Correct 201 ms 4440 KB Output is correct
89 Correct 200 ms 4432 KB Output is correct
90 Correct 110 ms 3672 KB Output is correct
91 Correct 120 ms 3904 KB Output is correct
92 Correct 51 ms 3496 KB Output is correct
93 Correct 56 ms 3620 KB Output is correct
94 Correct 454 ms 77592 KB Output is correct
95 Correct 645 ms 112736 KB Output is correct
96 Correct 490 ms 77000 KB Output is correct
97 Correct 711 ms 113460 KB Output is correct
98 Correct 288 ms 77076 KB Output is correct
99 Correct 466 ms 109224 KB Output is correct
100 Correct 194 ms 4820 KB Output is correct
101 Correct 199 ms 4780 KB Output is correct
102 Correct 97 ms 3908 KB Output is correct
103 Correct 103 ms 3804 KB Output is correct
104 Correct 56 ms 3920 KB Output is correct
105 Correct 52 ms 3700 KB Output is correct
106 Correct 510 ms 94040 KB Output is correct
107 Correct 706 ms 120200 KB Output is correct
108 Correct 557 ms 92472 KB Output is correct
109 Correct 713 ms 109856 KB Output is correct
110 Correct 320 ms 92244 KB Output is correct
111 Correct 492 ms 115088 KB Output is correct
112 Correct 215 ms 2952 KB Output is correct
113 Correct 192 ms 2944 KB Output is correct
114 Correct 112 ms 2644 KB Output is correct
115 Correct 111 ms 2632 KB Output is correct
116 Correct 50 ms 2388 KB Output is correct
117 Correct 65 ms 2536 KB Output is correct
118 Correct 323 ms 110720 KB Output is correct
119 Correct 310 ms 91732 KB Output is correct
120 Correct 515 ms 119100 KB Output is correct
121 Correct 313 ms 110816 KB Output is correct
122 Correct 334 ms 91404 KB Output is correct
123 Correct 546 ms 118240 KB Output is correct
124 Correct 311 ms 110884 KB Output is correct
125 Correct 330 ms 91856 KB Output is correct
126 Correct 531 ms 115028 KB Output is correct