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Submission #963352

# Submission time Handle Problem Language Result Execution time Memory
963352 2024-04-14T21:17:53 Z TimAni Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 1678 ms 414792 KB 
//start-time: 2024-04-14 19:39:32
#include <bits/stdc++.h>
 
using namespace std;
using ll = long long;
 
const int w = 330;
 
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 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 424 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 856 KB Output is correct
6 Correct 3 ms 852 KB Output is correct
7 Correct 3 ms 860 KB Output is correct
8 Correct 7 ms 3676 KB Output is correct
9 Correct 7 ms 3676 KB Output is correct
10 Correct 7 ms 3676 KB Output is correct
11 Correct 8 ms 3420 KB Output is correct
12 Correct 5 ms 1628 KB Output is correct
13 Correct 8 ms 3180 KB Output is correct
14 Correct 7 ms 2392 KB Output is correct
15 Correct 6 ms 1368 KB Output is correct
16 Correct 7 ms 2396 KB Output is correct
17 Correct 8 ms 2768 KB Output is correct
18 Correct 5 ms 1628 KB Output is correct
19 Correct 8 ms 2652 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 1 ms 424 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 856 KB Output is correct
6 Correct 3 ms 852 KB Output is correct
7 Correct 3 ms 860 KB Output is correct
8 Correct 7 ms 3676 KB Output is correct
9 Correct 7 ms 3676 KB Output is correct
10 Correct 7 ms 3676 KB Output is correct
11 Correct 8 ms 3420 KB Output is correct
12 Correct 5 ms 1628 KB Output is correct
13 Correct 8 ms 3180 KB Output is correct
14 Correct 7 ms 2392 KB Output is correct
15 Correct 6 ms 1368 KB Output is correct
16 Correct 7 ms 2396 KB Output is correct
17 Correct 8 ms 2768 KB Output is correct
18 Correct 5 ms 1628 KB Output is correct
19 Correct 8 ms 2652 KB Output is correct
20 Correct 126 ms 6488 KB Output is correct
21 Correct 90 ms 6480 KB Output is correct
22 Correct 96 ms 6296 KB Output is correct
23 Correct 109 ms 6532 KB Output is correct
24 Correct 1289 ms 270540 KB Output is correct
25 Correct 1351 ms 278764 KB Output is correct
26 Correct 1348 ms 276908 KB Output is correct
27 Correct 966 ms 413588 KB Output is correct
28 Correct 959 ms 413560 KB Output is correct
29 Correct 929 ms 413616 KB Output is correct
30 Correct 997 ms 413144 KB Output is correct
31 Correct 1353 ms 406856 KB Output is correct
32 Correct 1088 ms 412484 KB Output is correct
33 Correct 923 ms 255812 KB Output is correct
34 Correct 1242 ms 285092 KB Output is correct
35 Correct 850 ms 253984 KB Output is correct
36 Correct 959 ms 334284 KB Output is correct
37 Correct 1467 ms 314052 KB Output is correct
38 Correct 976 ms 335488 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 1 ms 424 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 856 KB Output is correct
6 Correct 3 ms 852 KB Output is correct
7 Correct 3 ms 860 KB Output is correct
8 Correct 7 ms 3676 KB Output is correct
9 Correct 7 ms 3676 KB Output is correct
10 Correct 7 ms 3676 KB Output is correct
11 Correct 8 ms 3420 KB Output is correct
12 Correct 5 ms 1628 KB Output is correct
13 Correct 8 ms 3180 KB Output is correct
14 Correct 7 ms 2392 KB Output is correct
15 Correct 6 ms 1368 KB Output is correct
16 Correct 7 ms 2396 KB Output is correct
17 Correct 8 ms 2768 KB Output is correct
18 Correct 5 ms 1628 KB Output is correct
19 Correct 8 ms 2652 KB Output is correct
20 Correct 126 ms 6488 KB Output is correct
21 Correct 90 ms 6480 KB Output is correct
22 Correct 96 ms 6296 KB Output is correct
23 Correct 109 ms 6532 KB Output is correct
24 Correct 1289 ms 270540 KB Output is correct
25 Correct 1351 ms 278764 KB Output is correct
26 Correct 1348 ms 276908 KB Output is correct
27 Correct 966 ms 413588 KB Output is correct
28 Correct 959 ms 413560 KB Output is correct
29 Correct 929 ms 413616 KB Output is correct
30 Correct 997 ms 413144 KB Output is correct
31 Correct 1353 ms 406856 KB Output is correct
32 Correct 1088 ms 412484 KB Output is correct
33 Correct 923 ms 255812 KB Output is correct
34 Correct 1242 ms 285092 KB Output is correct
35 Correct 850 ms 253984 KB Output is correct
36 Correct 959 ms 334284 KB Output is correct
37 Correct 1467 ms 314052 KB Output is correct
38 Correct 976 ms 335488 KB Output is correct
39 Correct 1493 ms 275780 KB Output is correct
40 Correct 1315 ms 274992 KB Output is correct
41 Correct 1372 ms 275488 KB Output is correct
42 Correct 1449 ms 274892 KB Output is correct
43 Correct 1358 ms 275668 KB Output is correct
44 Correct 256 ms 7760 KB Output is correct
45 Correct 125 ms 6856 KB Output is correct
46 Correct 102 ms 6844 KB Output is correct
47 Correct 168 ms 6672 KB Output is correct
48 Correct 107 ms 6428 KB Output is correct
49 Correct 1204 ms 411772 KB Output is correct
50 Correct 917 ms 412148 KB Output is correct
51 Correct 255 ms 6532 KB Output is correct
52 Correct 97 ms 6228 KB Output is correct
53 Correct 1172 ms 332356 KB Output is correct
54 Correct 1660 ms 317320 KB Output is correct
55 Correct 1010 ms 333300 KB Output is correct
56 Correct 1508 ms 320784 KB Output is correct
57 Correct 292 ms 7700 KB Output is correct
58 Correct 259 ms 7636 KB Output is correct
59 Correct 117 ms 6736 KB Output is correct
60 Correct 103 ms 6584 KB Output is correct
61 Correct 1071 ms 413700 KB Output is correct
62 Correct 1036 ms 334820 KB Output is correct
63 Correct 1450 ms 315460 KB Output is correct
64 Correct 1114 ms 413856 KB Output is correct
65 Correct 1050 ms 333576 KB Output is correct
66 Correct 1599 ms 325876 KB Output is correct
67 Correct 1274 ms 413384 KB Output is correct
68 Correct 971 ms 334632 KB Output is correct
69 Correct 1408 ms 311756 KB Output is correct
70 Correct 934 ms 413912 KB Output is correct
71 Correct 976 ms 334912 KB Output is correct
72 Correct 1433 ms 316952 KB Output is correct
73 Correct 963 ms 413760 KB Output is correct
74 Correct 968 ms 335008 KB Output is correct
75 Correct 1412 ms 316032 KB Output is correct
76 Correct 1181 ms 414792 KB Output is correct
77 Correct 957 ms 413652 KB Output is correct
78 Correct 952 ms 411128 KB Output is correct
79 Correct 258 ms 5204 KB Output is correct
80 Correct 99 ms 4944 KB Output is correct
81 Correct 102 ms 4948 KB Output is correct
82 Correct 1290 ms 410928 KB Output is correct
83 Correct 1674 ms 403620 KB Output is correct
84 Correct 1006 ms 410224 KB Output is correct
85 Correct 1428 ms 406772 KB Output is correct
86 Correct 1072 ms 410572 KB Output is correct
87 Correct 1368 ms 406128 KB Output is correct
88 Correct 267 ms 5380 KB Output is correct
89 Correct 263 ms 5276 KB Output is correct
90 Correct 98 ms 4944 KB Output is correct
91 Correct 102 ms 4920 KB Output is correct
92 Correct 149 ms 4908 KB Output is correct
93 Correct 91 ms 4944 KB Output is correct
94 Correct 1075 ms 253104 KB Output is correct
95 Correct 1535 ms 296376 KB Output is correct
96 Correct 847 ms 251412 KB Output is correct
97 Correct 1340 ms 301052 KB Output is correct
98 Correct 840 ms 252864 KB Output is correct
99 Correct 1282 ms 293748 KB Output is correct
100 Correct 272 ms 5352 KB Output is correct
101 Correct 270 ms 5256 KB Output is correct
102 Correct 117 ms 4856 KB Output is correct
103 Correct 112 ms 4920 KB Output is correct
104 Correct 111 ms 4852 KB Output is correct
105 Correct 113 ms 4824 KB Output is correct
106 Correct 1157 ms 330948 KB Output is correct
107 Correct 1678 ms 316540 KB Output is correct
108 Correct 945 ms 332660 KB Output is correct
109 Correct 1336 ms 313788 KB Output is correct
110 Correct 950 ms 333240 KB Output is correct
111 Correct 1422 ms 313884 KB Output is correct
112 Correct 272 ms 5396 KB Output is correct
113 Correct 281 ms 5200 KB Output is correct
114 Correct 94 ms 4948 KB Output is correct
115 Correct 115 ms 5016 KB Output is correct
116 Correct 92 ms 5076 KB Output is correct
117 Correct 90 ms 4944 KB Output is correct
118 Correct 982 ms 410720 KB Output is correct
119 Correct 971 ms 332572 KB Output is correct
120 Correct 1378 ms 309704 KB Output is correct
121 Correct 945 ms 411128 KB Output is correct
122 Correct 945 ms 331060 KB Output is correct
123 Correct 1396 ms 315460 KB Output is correct
124 Correct 928 ms 410836 KB Output is correct
125 Correct 936 ms 332924 KB Output is correct
126 Correct 1388 ms 316328 KB Output is correct