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Submission #963340

# Submission time Handle Problem Language Result Execution time Memory
963340 2024-04-14T21:09:23 Z TimAni Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 1366 ms 145800 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);
    for(int u = 0; u < n; u++){
        vector<int> val(n), cur;
        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 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 1112 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 3 ms 928 KB Output is correct
8 Correct 3 ms 1368 KB Output is correct
9 Correct 4 ms 1368 KB Output is correct
10 Correct 3 ms 1500 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1324 KB Output is correct
13 Correct 3 ms 1368 KB Output is correct
14 Correct 3 ms 1116 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 3 ms 1116 KB Output is correct
17 Correct 4 ms 1112 KB Output is correct
18 Correct 4 ms 1048 KB Output is correct
19 Correct 3 ms 1268 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 1112 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 3 ms 928 KB Output is correct
8 Correct 3 ms 1368 KB Output is correct
9 Correct 4 ms 1368 KB Output is correct
10 Correct 3 ms 1500 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1324 KB Output is correct
13 Correct 3 ms 1368 KB Output is correct
14 Correct 3 ms 1116 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 3 ms 1116 KB Output is correct
17 Correct 4 ms 1112 KB Output is correct
18 Correct 4 ms 1048 KB Output is correct
19 Correct 3 ms 1268 KB Output is correct
20 Correct 55 ms 2448 KB Output is correct
21 Correct 61 ms 2604 KB Output is correct
22 Correct 70 ms 2388 KB Output is correct
23 Correct 58 ms 2396 KB Output is correct
24 Correct 1088 ms 113688 KB Output is correct
25 Correct 1061 ms 109676 KB Output is correct
26 Correct 1063 ms 109328 KB Output is correct
27 Correct 835 ms 111248 KB Output is correct
28 Correct 871 ms 111060 KB Output is correct
29 Correct 819 ms 111080 KB Output is correct
30 Correct 922 ms 111016 KB Output is correct
31 Correct 1037 ms 129184 KB Output is correct
32 Correct 939 ms 111148 KB Output is correct
33 Correct 872 ms 75124 KB Output is correct
34 Correct 992 ms 103744 KB Output is correct
35 Correct 795 ms 74956 KB Output is correct
36 Correct 804 ms 91924 KB Output is correct
37 Correct 1006 ms 113968 KB Output is correct
38 Correct 795 ms 91992 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 1112 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 3 ms 928 KB Output is correct
8 Correct 3 ms 1368 KB Output is correct
9 Correct 4 ms 1368 KB Output is correct
10 Correct 3 ms 1500 KB Output is correct
11 Correct 3 ms 1372 KB Output is correct
12 Correct 3 ms 1324 KB Output is correct
13 Correct 3 ms 1368 KB Output is correct
14 Correct 3 ms 1116 KB Output is correct
15 Correct 3 ms 860 KB Output is correct
16 Correct 3 ms 1116 KB Output is correct
17 Correct 4 ms 1112 KB Output is correct
18 Correct 4 ms 1048 KB Output is correct
19 Correct 3 ms 1268 KB Output is correct
20 Correct 55 ms 2448 KB Output is correct
21 Correct 61 ms 2604 KB Output is correct
22 Correct 70 ms 2388 KB Output is correct
23 Correct 58 ms 2396 KB Output is correct
24 Correct 1088 ms 113688 KB Output is correct
25 Correct 1061 ms 109676 KB Output is correct
26 Correct 1063 ms 109328 KB Output is correct
27 Correct 835 ms 111248 KB Output is correct
28 Correct 871 ms 111060 KB Output is correct
29 Correct 819 ms 111080 KB Output is correct
30 Correct 922 ms 111016 KB Output is correct
31 Correct 1037 ms 129184 KB Output is correct
32 Correct 939 ms 111148 KB Output is correct
33 Correct 872 ms 75124 KB Output is correct
34 Correct 992 ms 103744 KB Output is correct
35 Correct 795 ms 74956 KB Output is correct
36 Correct 804 ms 91924 KB Output is correct
37 Correct 1006 ms 113968 KB Output is correct
38 Correct 795 ms 91992 KB Output is correct
39 Correct 1278 ms 114668 KB Output is correct
40 Correct 1152 ms 110708 KB Output is correct
41 Correct 1366 ms 112364 KB Output is correct
42 Correct 1149 ms 111536 KB Output is correct
43 Correct 1029 ms 113208 KB Output is correct
44 Correct 206 ms 3100 KB Output is correct
45 Correct 75 ms 2640 KB Output is correct
46 Correct 124 ms 2644 KB Output is correct
47 Correct 69 ms 2544 KB Output is correct
48 Correct 63 ms 2388 KB Output is correct
49 Correct 1057 ms 111656 KB Output is correct
50 Correct 1044 ms 111272 KB Output is correct
51 Correct 200 ms 2908 KB Output is correct
52 Correct 114 ms 2620 KB Output is correct
53 Correct 1032 ms 91592 KB Output is correct
54 Correct 1170 ms 112708 KB Output is correct
55 Correct 1089 ms 91544 KB Output is correct
56 Correct 1332 ms 116396 KB Output is correct
57 Correct 237 ms 5056 KB Output is correct
58 Correct 220 ms 5456 KB Output is correct
59 Correct 121 ms 4180 KB Output is correct
60 Correct 117 ms 4368 KB Output is correct
61 Correct 925 ms 113784 KB Output is correct
62 Correct 869 ms 94720 KB Output is correct
63 Correct 1006 ms 114880 KB Output is correct
64 Correct 1034 ms 114148 KB Output is correct
65 Correct 1025 ms 94256 KB Output is correct
66 Correct 1176 ms 116540 KB Output is correct
67 Correct 1111 ms 113752 KB Output is correct
68 Correct 1115 ms 94748 KB Output is correct
69 Correct 1248 ms 116928 KB Output is correct
70 Correct 884 ms 114008 KB Output is correct
71 Correct 804 ms 94744 KB Output is correct
72 Correct 1008 ms 116384 KB Output is correct
73 Correct 821 ms 113968 KB Output is correct
74 Correct 879 ms 94656 KB Output is correct
75 Correct 1040 ms 118608 KB Output is correct
76 Correct 998 ms 114780 KB Output is correct
77 Correct 1142 ms 113832 KB Output is correct
78 Correct 832 ms 113884 KB Output is correct
79 Correct 202 ms 5464 KB Output is correct
80 Correct 112 ms 4432 KB Output is correct
81 Correct 56 ms 3924 KB Output is correct
82 Correct 1039 ms 114532 KB Output is correct
83 Correct 1250 ms 135920 KB Output is correct
84 Correct 1141 ms 113692 KB Output is correct
85 Correct 1248 ms 145800 KB Output is correct
86 Correct 821 ms 113040 KB Output is correct
87 Correct 968 ms 134196 KB Output is correct
88 Correct 219 ms 4352 KB Output is correct
89 Correct 211 ms 4372 KB Output is correct
90 Correct 116 ms 3516 KB Output is correct
91 Correct 117 ms 3960 KB Output is correct
92 Correct 65 ms 3616 KB Output is correct
93 Correct 58 ms 3656 KB Output is correct
94 Correct 987 ms 77544 KB Output is correct
95 Correct 1198 ms 112780 KB Output is correct
96 Correct 991 ms 76860 KB Output is correct
97 Correct 1313 ms 114164 KB Output is correct
98 Correct 837 ms 78060 KB Output is correct
99 Correct 1057 ms 109908 KB Output is correct
100 Correct 218 ms 5468 KB Output is correct
101 Correct 227 ms 5236 KB Output is correct
102 Correct 109 ms 4180 KB Output is correct
103 Correct 99 ms 4272 KB Output is correct
104 Correct 58 ms 4180 KB Output is correct
105 Correct 72 ms 4072 KB Output is correct
106 Correct 1032 ms 94744 KB Output is correct
107 Correct 1247 ms 121040 KB Output is correct
108 Correct 1154 ms 94816 KB Output is correct
109 Correct 1299 ms 112384 KB Output is correct
110 Correct 850 ms 94884 KB Output is correct
111 Correct 1029 ms 117556 KB Output is correct
112 Correct 214 ms 5316 KB Output is correct
113 Correct 219 ms 5048 KB Output is correct
114 Correct 114 ms 4164 KB Output is correct
115 Correct 116 ms 4100 KB Output is correct
116 Correct 60 ms 3948 KB Output is correct
117 Correct 58 ms 3952 KB Output is correct
118 Correct 873 ms 113100 KB Output is correct
119 Correct 804 ms 93976 KB Output is correct
120 Correct 1098 ms 121212 KB Output is correct
121 Correct 896 ms 113464 KB Output is correct
122 Correct 857 ms 94096 KB Output is correct
123 Correct 1044 ms 120956 KB Output is correct
124 Correct 863 ms 113608 KB Output is correct
125 Correct 814 ms 94400 KB Output is correct
126 Correct 1000 ms 117700 KB Output is correct