oj.uz

Submission #570017

# Submission time Handle Problem Language Result Execution time Memory
570017 2022-05-28T12:37:48 Z OttoTheDino Power Plant (JOI20_power) C++17
100 / 100
 188 ms 28008 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define rep(i,s,e)                  for (int i = s; i <= e; ++i)
#define pb                          push_back
typedef vector<int> vi;
 
const int mx=2e5;
vi adj[mx+1];
int ans = 0;
string s;
 
int dfs (int u, int p) {
    int x = 0, c = 0, ma = 0;
    for (int v : adj[u]) {
        if (v==p) continue;
        int res = dfs (v, u);
        if (res) {
            c++;
            x += res;
            ma = max(ma, res);
        }
    }
    if (s[u-1]=='1') {
        ans = max(ans, ma+1);
        if (c<2) ans = max(ans, x+1);
        x = max(x-1, 1);
    }
    ans = max(ans, x);
    return x;
}
 
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
 
    int n;cin>>n;
    rep(i,1,n-1){
       int u,v; cin>>u>>v;
       adj[u].pb(v);
       adj[v].pb(u);
    }
    cin >> s;
    dfs (1,0);
    cout << ans << "\n";
    
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5020 KB Output is correct
8 Correct 4 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 4 ms 4948 KB Output is correct
13 Correct 4 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5020 KB Output is correct
8 Correct 4 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 4 ms 4948 KB Output is correct
13 Correct 4 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5072 KB Output is correct
23 Correct 4 ms 5036 KB Output is correct
24 Correct 3 ms 5036 KB Output is correct
25 Correct 3 ms 5032 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 5 ms 5028 KB Output is correct
29 Correct 4 ms 5164 KB Output is correct
30 Correct 4 ms 5076 KB Output is correct
31 Correct 4 ms 5032 KB Output is correct
32 Correct 4 ms 5032 KB Output is correct
33 Correct 4 ms 5036 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 4 ms 5160 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 3 ms 5160 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 4 ms 5124 KB Output is correct
44 Correct 5 ms 5076 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 4 ms 5100 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 4 ms 5184 KB Output is correct
49 Correct 4 ms 5076 KB Output is correct
50 Correct 4 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 4 ms 5204 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5084 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 4 ms 5076 KB Output is correct
59 Correct 5 ms 5076 KB Output is correct
60 Correct 4 ms 5160 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 4 ms 5208 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5020 KB Output is correct
8 Correct 4 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 4 ms 4948 KB Output is correct
13 Correct 4 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5072 KB Output is correct
23 Correct 4 ms 5036 KB Output is correct
24 Correct 3 ms 5036 KB Output is correct
25 Correct 3 ms 5032 KB Output is correct
26 Correct 4 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 5 ms 5028 KB Output is correct
29 Correct 4 ms 5164 KB Output is correct
30 Correct 4 ms 5076 KB Output is correct
31 Correct 4 ms 5032 KB Output is correct
32 Correct 4 ms 5032 KB Output is correct
33 Correct 4 ms 5036 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 4 ms 5160 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 3 ms 5160 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 4 ms 5124 KB Output is correct
44 Correct 5 ms 5076 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 4 ms 5100 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 4 ms 5184 KB Output is correct
49 Correct 4 ms 5076 KB Output is correct
50 Correct 4 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 4 ms 5204 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5084 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 4 ms 5076 KB Output is correct
59 Correct 5 ms 5076 KB Output is correct
60 Correct 4 ms 5160 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 4 ms 5208 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct
64 Correct 114 ms 14612 KB Output is correct
65 Correct 119 ms 14444 KB Output is correct
66 Correct 188 ms 14524 KB Output is correct
67 Correct 109 ms 14512 KB Output is correct
68 Correct 122 ms 14500 KB Output is correct
69 Correct 129 ms 14528 KB Output is correct
70 Correct 132 ms 14524 KB Output is correct
71 Correct 136 ms 14476 KB Output is correct
72 Correct 138 ms 14492 KB Output is correct
73 Correct 159 ms 26976 KB Output is correct
74 Correct 138 ms 26904 KB Output is correct
75 Correct 140 ms 14436 KB Output is correct
76 Correct 127 ms 14324 KB Output is correct
77 Correct 124 ms 14384 KB Output is correct
78 Correct 155 ms 14376 KB Output is correct
79 Correct 131 ms 14528 KB Output is correct
80 Correct 136 ms 14440 KB Output is correct
81 Correct 86 ms 14660 KB Output is correct
82 Correct 124 ms 14488 KB Output is correct
83 Correct 163 ms 19508 KB Output is correct
84 Correct 121 ms 21672 KB Output is correct
85 Correct 136 ms 21272 KB Output is correct
86 Correct 118 ms 15756 KB Output is correct
87 Correct 139 ms 15148 KB Output is correct
88 Correct 136 ms 15560 KB Output is correct
89 Correct 110 ms 15568 KB Output is correct
90 Correct 109 ms 15408 KB Output is correct
91 Correct 112 ms 15724 KB Output is correct
92 Correct 110 ms 15924 KB Output is correct
93 Correct 133 ms 18360 KB Output is correct
94 Correct 110 ms 20116 KB Output is correct
95 Correct 100 ms 18792 KB Output is correct
96 Correct 119 ms 17020 KB Output is correct
97 Correct 135 ms 15448 KB Output is correct
98 Correct 129 ms 14972 KB Output is correct
99 Correct 106 ms 14844 KB Output is correct
100 Correct 102 ms 17872 KB Output is correct
101 Correct 104 ms 15812 KB Output is correct
102 Correct 105 ms 15144 KB Output is correct
103 Correct 108 ms 14992 KB Output is correct
104 Correct 79 ms 15264 KB Output is correct
105 Correct 163 ms 23752 KB Output is correct
106 Correct 58 ms 15076 KB Output is correct
107 Correct 62 ms 15092 KB Output is correct
108 Correct 125 ms 27704 KB Output is correct
109 Correct 89 ms 15260 KB Output is correct
110 Correct 170 ms 28008 KB Output is correct
111 Correct 101 ms 14348 KB Output is correct