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Submission #963330

# Submission time Handle Problem Language Result Execution time Memory
963330 2024-04-14T20:55:32 Z TimAni Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 1296 ms 147780 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(n);

    for(int u = 0; u < n; u++, cur.clear()){
        vector<int> val(n);
        for(auto &v : gR[u]){
            for(auto &[value, ind] : dp[v]){
                if(vis[ind] == u) val[ind] = max(val[ind], value + 1);
                else vis[ind] = u, val[ind] = value + 1, 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 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 3 ms 860 KB Output is correct
6 Correct 3 ms 864 KB Output is correct
7 Correct 2 ms 860 KB Output is correct
8 Correct 3 ms 1368 KB Output is correct
9 Correct 3 ms 1372 KB Output is correct
10 Correct 3 ms 1456 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1124 KB Output is correct
13 Correct 3 ms 1372 KB Output is correct
14 Correct 3 ms 976 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 4 ms 1116 KB Output is correct
17 Correct 3 ms 1116 KB Output is correct
18 Correct 3 ms 1116 KB Output is correct
19 Correct 3 ms 1112 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 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 3 ms 860 KB Output is correct
6 Correct 3 ms 864 KB Output is correct
7 Correct 2 ms 860 KB Output is correct
8 Correct 3 ms 1368 KB Output is correct
9 Correct 3 ms 1372 KB Output is correct
10 Correct 3 ms 1456 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1124 KB Output is correct
13 Correct 3 ms 1372 KB Output is correct
14 Correct 3 ms 976 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 4 ms 1116 KB Output is correct
17 Correct 3 ms 1116 KB Output is correct
18 Correct 3 ms 1116 KB Output is correct
19 Correct 3 ms 1112 KB Output is correct
20 Correct 50 ms 3528 KB Output is correct
21 Correct 49 ms 3664 KB Output is correct
22 Correct 53 ms 3484 KB Output is correct
23 Correct 67 ms 3448 KB Output is correct
24 Correct 1078 ms 116944 KB Output is correct
25 Correct 1059 ms 113476 KB Output is correct
26 Correct 1063 ms 113280 KB Output is correct
27 Correct 804 ms 114864 KB Output is correct
28 Correct 834 ms 114904 KB Output is correct
29 Correct 843 ms 114936 KB Output is correct
30 Correct 844 ms 114732 KB Output is correct
31 Correct 915 ms 132716 KB Output is correct
32 Correct 838 ms 114740 KB Output is correct
33 Correct 809 ms 78848 KB Output is correct
34 Correct 973 ms 106448 KB Output is correct
35 Correct 856 ms 78624 KB Output is correct
36 Correct 836 ms 95452 KB Output is correct
37 Correct 981 ms 117340 KB Output is correct
38 Correct 796 ms 95732 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 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 3 ms 860 KB Output is correct
6 Correct 3 ms 864 KB Output is correct
7 Correct 2 ms 860 KB Output is correct
8 Correct 3 ms 1368 KB Output is correct
9 Correct 3 ms 1372 KB Output is correct
10 Correct 3 ms 1456 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1124 KB Output is correct
13 Correct 3 ms 1372 KB Output is correct
14 Correct 3 ms 976 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 4 ms 1116 KB Output is correct
17 Correct 3 ms 1116 KB Output is correct
18 Correct 3 ms 1116 KB Output is correct
19 Correct 3 ms 1112 KB Output is correct
20 Correct 50 ms 3528 KB Output is correct
21 Correct 49 ms 3664 KB Output is correct
22 Correct 53 ms 3484 KB Output is correct
23 Correct 67 ms 3448 KB Output is correct
24 Correct 1078 ms 116944 KB Output is correct
25 Correct 1059 ms 113476 KB Output is correct
26 Correct 1063 ms 113280 KB Output is correct
27 Correct 804 ms 114864 KB Output is correct
28 Correct 834 ms 114904 KB Output is correct
29 Correct 843 ms 114936 KB Output is correct
30 Correct 844 ms 114732 KB Output is correct
31 Correct 915 ms 132716 KB Output is correct
32 Correct 838 ms 114740 KB Output is correct
33 Correct 809 ms 78848 KB Output is correct
34 Correct 973 ms 106448 KB Output is correct
35 Correct 856 ms 78624 KB Output is correct
36 Correct 836 ms 95452 KB Output is correct
37 Correct 981 ms 117340 KB Output is correct
38 Correct 796 ms 95732 KB Output is correct
39 Correct 1164 ms 119632 KB Output is correct
40 Correct 1033 ms 115092 KB Output is correct
41 Correct 1242 ms 116292 KB Output is correct
42 Correct 1080 ms 115552 KB Output is correct
43 Correct 1018 ms 117380 KB Output is correct
44 Correct 214 ms 5368 KB Output is correct
45 Correct 93 ms 4500 KB Output is correct
46 Correct 110 ms 4556 KB Output is correct
47 Correct 65 ms 4544 KB Output is correct
48 Correct 50 ms 4012 KB Output is correct
49 Correct 1032 ms 115840 KB Output is correct
50 Correct 1091 ms 115068 KB Output is correct
51 Correct 220 ms 5092 KB Output is correct
52 Correct 109 ms 4336 KB Output is correct
53 Correct 1004 ms 96096 KB Output is correct
54 Correct 1235 ms 117096 KB Output is correct
55 Correct 1111 ms 95524 KB Output is correct
56 Correct 1296 ms 120188 KB Output is correct
57 Correct 217 ms 5392 KB Output is correct
58 Correct 201 ms 5144 KB Output is correct
59 Correct 111 ms 4232 KB Output is correct
60 Correct 116 ms 4432 KB Output is correct
61 Correct 877 ms 114912 KB Output is correct
62 Correct 865 ms 95832 KB Output is correct
63 Correct 1060 ms 115916 KB Output is correct
64 Correct 995 ms 115084 KB Output is correct
65 Correct 1002 ms 95656 KB Output is correct
66 Correct 1136 ms 117668 KB Output is correct
67 Correct 1083 ms 114868 KB Output is correct
68 Correct 1050 ms 96220 KB Output is correct
69 Correct 1248 ms 117784 KB Output is correct
70 Correct 820 ms 115084 KB Output is correct
71 Correct 761 ms 95808 KB Output is correct
72 Correct 970 ms 117672 KB Output is correct
73 Correct 780 ms 115064 KB Output is correct
74 Correct 804 ms 95816 KB Output is correct
75 Correct 983 ms 119880 KB Output is correct
76 Correct 1069 ms 116140 KB Output is correct
77 Correct 1092 ms 115208 KB Output is correct
78 Correct 827 ms 115448 KB Output is correct
79 Correct 193 ms 5268 KB Output is correct
80 Correct 106 ms 4540 KB Output is correct
81 Correct 58 ms 3920 KB Output is correct
82 Correct 990 ms 116100 KB Output is correct
83 Correct 1180 ms 137228 KB Output is correct
84 Correct 1103 ms 115232 KB Output is correct
85 Correct 1288 ms 147780 KB Output is correct
86 Correct 859 ms 115184 KB Output is correct
87 Correct 957 ms 136300 KB Output is correct
88 Correct 199 ms 5376 KB Output is correct
89 Correct 196 ms 5412 KB Output is correct
90 Correct 113 ms 4432 KB Output is correct
91 Correct 111 ms 4536 KB Output is correct
92 Correct 56 ms 3960 KB Output is correct
93 Correct 52 ms 4152 KB Output is correct
94 Correct 992 ms 80300 KB Output is correct
95 Correct 1154 ms 114296 KB Output is correct
96 Correct 954 ms 79028 KB Output is correct
97 Correct 1194 ms 114240 KB Output is correct
98 Correct 760 ms 79492 KB Output is correct
99 Correct 931 ms 110144 KB Output is correct
100 Correct 196 ms 5656 KB Output is correct
101 Correct 220 ms 5332 KB Output is correct
102 Correct 95 ms 4584 KB Output is correct
103 Correct 101 ms 4712 KB Output is correct
104 Correct 51 ms 4176 KB Output is correct
105 Correct 51 ms 4020 KB Output is correct
106 Correct 958 ms 96436 KB Output is correct
107 Correct 1189 ms 122640 KB Output is correct
108 Correct 1034 ms 96480 KB Output is correct
109 Correct 1209 ms 113916 KB Output is correct
110 Correct 785 ms 96168 KB Output is correct
111 Correct 1024 ms 118852 KB Output is correct
112 Correct 195 ms 5456 KB Output is correct
113 Correct 210 ms 5500 KB Output is correct
114 Correct 107 ms 4460 KB Output is correct
115 Correct 112 ms 4492 KB Output is correct
116 Correct 53 ms 4024 KB Output is correct
117 Correct 51 ms 4140 KB Output is correct
118 Correct 868 ms 114572 KB Output is correct
119 Correct 777 ms 95452 KB Output is correct
120 Correct 1012 ms 122968 KB Output is correct
121 Correct 783 ms 114620 KB Output is correct
122 Correct 893 ms 95176 KB Output is correct
123 Correct 1149 ms 121920 KB Output is correct
124 Correct 864 ms 114460 KB Output is correct
125 Correct 781 ms 95752 KB Output is correct
126 Correct 1032 ms 119004 KB Output is correct