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Submission #963345

# Submission time Handle Problem Language Result Execution time Memory
963345 2024-04-14T21:13:11 Z TimAni Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 1360 ms 146612 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), cur;
    for(int u = 0; u < n; u++){
        vector<int> val(n);
        cur.clear();
        for(auto &v : gR[u]){
            for(auto &[value, ind] : dp[v]){
                val[ind] = max(val[ind], value + 1);
                if(vis[ind] != u){
                    vis[ind] = u;
                    cur.push_back(ind);
                }
            }
        }
		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 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 860 KB Output is correct
8 Correct 3 ms 1376 KB Output is correct
9 Correct 3 ms 1372 KB Output is correct
10 Correct 3 ms 1372 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 1372 KB Output is correct
14 Correct 3 ms 1112 KB Output is correct
15 Correct 3 ms 856 KB Output is correct
16 Correct 3 ms 1116 KB Output is correct
17 Correct 4 ms 1116 KB Output is correct
18 Correct 4 ms 1112 KB Output is correct
19 Correct 4 ms 1116 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 860 KB Output is correct
8 Correct 3 ms 1376 KB Output is correct
9 Correct 3 ms 1372 KB Output is correct
10 Correct 3 ms 1372 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 1372 KB Output is correct
14 Correct 3 ms 1112 KB Output is correct
15 Correct 3 ms 856 KB Output is correct
16 Correct 3 ms 1116 KB Output is correct
17 Correct 4 ms 1116 KB Output is correct
18 Correct 4 ms 1112 KB Output is correct
19 Correct 4 ms 1116 KB Output is correct
20 Correct 55 ms 2384 KB Output is correct
21 Correct 56 ms 2560 KB Output is correct
22 Correct 54 ms 2584 KB Output is correct
23 Correct 60 ms 2724 KB Output is correct
24 Correct 1020 ms 113260 KB Output is correct
25 Correct 1086 ms 111328 KB Output is correct
26 Correct 1006 ms 111064 KB Output is correct
27 Correct 829 ms 113064 KB Output is correct
28 Correct 836 ms 113008 KB Output is correct
29 Correct 875 ms 112744 KB Output is correct
30 Correct 826 ms 112836 KB Output is correct
31 Correct 959 ms 130684 KB Output is correct
32 Correct 883 ms 112616 KB Output is correct
33 Correct 801 ms 76856 KB Output is correct
34 Correct 1052 ms 104240 KB Output is correct
35 Correct 805 ms 76600 KB Output is correct
36 Correct 818 ms 93428 KB Output is correct
37 Correct 1060 ms 115476 KB Output is correct
38 Correct 897 ms 93572 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 860 KB Output is correct
8 Correct 3 ms 1376 KB Output is correct
9 Correct 3 ms 1372 KB Output is correct
10 Correct 3 ms 1372 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 1372 KB Output is correct
14 Correct 3 ms 1112 KB Output is correct
15 Correct 3 ms 856 KB Output is correct
16 Correct 3 ms 1116 KB Output is correct
17 Correct 4 ms 1116 KB Output is correct
18 Correct 4 ms 1112 KB Output is correct
19 Correct 4 ms 1116 KB Output is correct
20 Correct 55 ms 2384 KB Output is correct
21 Correct 56 ms 2560 KB Output is correct
22 Correct 54 ms 2584 KB Output is correct
23 Correct 60 ms 2724 KB Output is correct
24 Correct 1020 ms 113260 KB Output is correct
25 Correct 1086 ms 111328 KB Output is correct
26 Correct 1006 ms 111064 KB Output is correct
27 Correct 829 ms 113064 KB Output is correct
28 Correct 836 ms 113008 KB Output is correct
29 Correct 875 ms 112744 KB Output is correct
30 Correct 826 ms 112836 KB Output is correct
31 Correct 959 ms 130684 KB Output is correct
32 Correct 883 ms 112616 KB Output is correct
33 Correct 801 ms 76856 KB Output is correct
34 Correct 1052 ms 104240 KB Output is correct
35 Correct 805 ms 76600 KB Output is correct
36 Correct 818 ms 93428 KB Output is correct
37 Correct 1060 ms 115476 KB Output is correct
38 Correct 897 ms 93572 KB Output is correct
39 Correct 1283 ms 118036 KB Output is correct
40 Correct 1146 ms 113536 KB Output is correct
41 Correct 1360 ms 115160 KB Output is correct
42 Correct 1245 ms 113944 KB Output is correct
43 Correct 1097 ms 115948 KB Output is correct
44 Correct 220 ms 5256 KB Output is correct
45 Correct 78 ms 4368 KB Output is correct
46 Correct 123 ms 4436 KB Output is correct
47 Correct 69 ms 4112 KB Output is correct
48 Correct 62 ms 4072 KB Output is correct
49 Correct 1036 ms 114164 KB Output is correct
50 Correct 1157 ms 113560 KB Output is correct
51 Correct 205 ms 4868 KB Output is correct
52 Correct 121 ms 4304 KB Output is correct
53 Correct 1050 ms 94408 KB Output is correct
54 Correct 1193 ms 115316 KB Output is correct
55 Correct 1131 ms 93944 KB Output is correct
56 Correct 1299 ms 118844 KB Output is correct
57 Correct 219 ms 5056 KB Output is correct
58 Correct 224 ms 4948 KB Output is correct
59 Correct 115 ms 4188 KB Output is correct
60 Correct 116 ms 4180 KB Output is correct
61 Correct 865 ms 113532 KB Output is correct
62 Correct 837 ms 94304 KB Output is correct
63 Correct 1073 ms 114124 KB Output is correct
64 Correct 1020 ms 113328 KB Output is correct
65 Correct 1040 ms 94060 KB Output is correct
66 Correct 1169 ms 116196 KB Output is correct
67 Correct 1140 ms 113500 KB Output is correct
68 Correct 1054 ms 94404 KB Output is correct
69 Correct 1230 ms 116356 KB Output is correct
70 Correct 808 ms 113336 KB Output is correct
71 Correct 837 ms 94172 KB Output is correct
72 Correct 1025 ms 115828 KB Output is correct
73 Correct 848 ms 113460 KB Output is correct
74 Correct 847 ms 94264 KB Output is correct
75 Correct 997 ms 118328 KB Output is correct
76 Correct 1033 ms 114356 KB Output is correct
77 Correct 1100 ms 113868 KB Output is correct
78 Correct 847 ms 113880 KB Output is correct
79 Correct 203 ms 5092 KB Output is correct
80 Correct 113 ms 4296 KB Output is correct
81 Correct 66 ms 3904 KB Output is correct
82 Correct 1087 ms 114400 KB Output is correct
83 Correct 1180 ms 135676 KB Output is correct
84 Correct 1118 ms 113704 KB Output is correct
85 Correct 1253 ms 146612 KB Output is correct
86 Correct 874 ms 113820 KB Output is correct
87 Correct 976 ms 135040 KB Output is correct
88 Correct 216 ms 5260 KB Output is correct
89 Correct 209 ms 5424 KB Output is correct
90 Correct 120 ms 4284 KB Output is correct
91 Correct 132 ms 4296 KB Output is correct
92 Correct 62 ms 4060 KB Output is correct
93 Correct 55 ms 3916 KB Output is correct
94 Correct 1004 ms 78916 KB Output is correct
95 Correct 1139 ms 112608 KB Output is correct
96 Correct 983 ms 77372 KB Output is correct
97 Correct 1204 ms 112120 KB Output is correct
98 Correct 757 ms 77148 KB Output is correct
99 Correct 978 ms 108028 KB Output is correct
100 Correct 246 ms 4436 KB Output is correct
101 Correct 205 ms 4728 KB Output is correct
102 Correct 105 ms 3924 KB Output is correct
103 Correct 107 ms 3756 KB Output is correct
104 Correct 58 ms 3664 KB Output is correct
105 Correct 65 ms 3624 KB Output is correct
106 Correct 1008 ms 94136 KB Output is correct
107 Correct 1236 ms 120264 KB Output is correct
108 Correct 1168 ms 94600 KB Output is correct
109 Correct 1327 ms 112316 KB Output is correct
110 Correct 862 ms 94720 KB Output is correct
111 Correct 1065 ms 117436 KB Output is correct
112 Correct 216 ms 5228 KB Output is correct
113 Correct 218 ms 5328 KB Output is correct
114 Correct 123 ms 4200 KB Output is correct
115 Correct 125 ms 4416 KB Output is correct
116 Correct 56 ms 3976 KB Output is correct
117 Correct 61 ms 3924 KB Output is correct
118 Correct 840 ms 113428 KB Output is correct
119 Correct 933 ms 94348 KB Output is correct
120 Correct 1049 ms 121484 KB Output is correct
121 Correct 925 ms 113032 KB Output is correct
122 Correct 886 ms 93768 KB Output is correct
123 Correct 1086 ms 120572 KB Output is correct
124 Correct 898 ms 112932 KB Output is correct
125 Correct 843 ms 94248 KB Output is correct
126 Correct 1108 ms 117516 KB Output is correct