oj.uz

Submission #369422

# Submission time Handle Problem Language Result Execution time Memory
369422 2021-02-21T16:22:57 Z jhnah917 Power Plant (JOI20_power) C++14
100 / 100
 196 ms 26988 KB 
/******************************
Author: jhnah917(Justice_Hui)
g++ -std=c++17 -DLOCAL
******************************/

#include <bits/stdc++.h>
#define x first
#define y second
#define all(v) v.begin(), v.end()
#define compress(v) sort(all(v)), v.erase(unique(all(v)), v.end())
#define IDX(v, x) lower_bound(all(v), x) - v.begin()
using namespace std;

using uint = unsigned;
using ll = long long;
using ull = unsigned long long;

int N, R;
bool S[202020];
vector<int> G[202020];

int DFS(int v, int b){
    int t1 = 0, t2 = S[v];
    for(const auto &i : G[v]){
        if(i == b) continue;
        int t = DFS(i, v);
        t1 += t; t2 = max(t2, t + S[v]);
    }
    t1 = max<int>(S[v], t1 - S[v]);
    R = max({R, t1, t2});
    return t1;
}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    cin >> N;
    for(int i=1; i<N; i++){
        int s, e; cin >> s >> e;
        G[s].push_back(e); G[e].push_back(s);
    }
    for(int i=1; i<=N; i++){ char c; cin >> c; S[i] = c == '1'; }
    DFS(1, -1);
    cout << R;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5100 KB Output is correct
2 Correct 4 ms 5100 KB Output is correct
3 Correct 3 ms 5100 KB Output is correct
4 Correct 3 ms 5100 KB Output is correct
5 Correct 4 ms 5100 KB Output is correct
6 Correct 4 ms 5100 KB Output is correct
7 Correct 4 ms 5100 KB Output is correct
8 Correct 4 ms 5100 KB Output is correct
9 Correct 3 ms 5100 KB Output is correct
10 Correct 4 ms 5100 KB Output is correct
11 Correct 4 ms 5100 KB Output is correct
12 Correct 3 ms 5100 KB Output is correct
13 Correct 4 ms 5100 KB Output is correct
14 Correct 4 ms 5228 KB Output is correct
15 Correct 4 ms 5100 KB Output is correct
16 Correct 4 ms 5100 KB Output is correct
17 Correct 3 ms 5100 KB Output is correct
18 Correct 4 ms 5100 KB Output is correct
19 Correct 4 ms 5100 KB Output is correct
20 Correct 3 ms 5100 KB Output is correct
21 Correct 4 ms 5100 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5100 KB Output is correct
2 Correct 4 ms 5100 KB Output is correct
3 Correct 3 ms 5100 KB Output is correct
4 Correct 3 ms 5100 KB Output is correct
5 Correct 4 ms 5100 KB Output is correct
6 Correct 4 ms 5100 KB Output is correct
7 Correct 4 ms 5100 KB Output is correct
8 Correct 4 ms 5100 KB Output is correct
9 Correct 3 ms 5100 KB Output is correct
10 Correct 4 ms 5100 KB Output is correct
11 Correct 4 ms 5100 KB Output is correct
12 Correct 3 ms 5100 KB Output is correct
13 Correct 4 ms 5100 KB Output is correct
14 Correct 4 ms 5228 KB Output is correct
15 Correct 4 ms 5100 KB Output is correct
16 Correct 4 ms 5100 KB Output is correct
17 Correct 3 ms 5100 KB Output is correct
18 Correct 4 ms 5100 KB Output is correct
19 Correct 4 ms 5100 KB Output is correct
20 Correct 3 ms 5100 KB Output is correct
21 Correct 4 ms 5100 KB Output is correct
22 Correct 4 ms 5100 KB Output is correct
23 Correct 4 ms 5100 KB Output is correct
24 Correct 4 ms 5100 KB Output is correct
25 Correct 4 ms 5100 KB Output is correct
26 Correct 4 ms 5100 KB Output is correct
27 Correct 4 ms 5100 KB Output is correct
28 Correct 4 ms 5100 KB Output is correct
29 Correct 4 ms 5228 KB Output is correct
30 Correct 4 ms 5228 KB Output is correct
31 Correct 5 ms 5228 KB Output is correct
32 Correct 5 ms 5228 KB Output is correct
33 Correct 4 ms 5228 KB Output is correct
34 Correct 4 ms 5228 KB Output is correct
35 Correct 5 ms 5228 KB Output is correct
36 Correct 5 ms 5228 KB Output is correct
37 Correct 4 ms 5228 KB Output is correct
38 Correct 4 ms 5228 KB Output is correct
39 Correct 5 ms 5228 KB Output is correct
40 Correct 5 ms 5228 KB Output is correct
41 Correct 5 ms 5228 KB Output is correct
42 Correct 4 ms 5228 KB Output is correct
43 Correct 5 ms 5228 KB Output is correct
44 Correct 4 ms 5228 KB Output is correct
45 Correct 5 ms 5228 KB Output is correct
46 Correct 4 ms 5228 KB Output is correct
47 Correct 5 ms 5228 KB Output is correct
48 Correct 4 ms 5228 KB Output is correct
49 Correct 6 ms 5228 KB Output is correct
50 Correct 4 ms 5228 KB Output is correct
51 Correct 5 ms 5228 KB Output is correct
52 Correct 5 ms 5228 KB Output is correct
53 Correct 5 ms 5228 KB Output is correct
54 Correct 4 ms 5228 KB Output is correct
55 Correct 5 ms 5228 KB Output is correct
56 Correct 4 ms 5228 KB Output is correct
57 Correct 4 ms 5356 KB Output is correct
58 Correct 4 ms 5228 KB Output is correct
59 Correct 4 ms 5228 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 4 ms 5228 KB Output is correct
62 Correct 5 ms 5228 KB Output is correct
63 Correct 4 ms 5228 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5100 KB Output is correct
2 Correct 4 ms 5100 KB Output is correct
3 Correct 3 ms 5100 KB Output is correct
4 Correct 3 ms 5100 KB Output is correct
5 Correct 4 ms 5100 KB Output is correct
6 Correct 4 ms 5100 KB Output is correct
7 Correct 4 ms 5100 KB Output is correct
8 Correct 4 ms 5100 KB Output is correct
9 Correct 3 ms 5100 KB Output is correct
10 Correct 4 ms 5100 KB Output is correct
11 Correct 4 ms 5100 KB Output is correct
12 Correct 3 ms 5100 KB Output is correct
13 Correct 4 ms 5100 KB Output is correct
14 Correct 4 ms 5228 KB Output is correct
15 Correct 4 ms 5100 KB Output is correct
16 Correct 4 ms 5100 KB Output is correct
17 Correct 3 ms 5100 KB Output is correct
18 Correct 4 ms 5100 KB Output is correct
19 Correct 4 ms 5100 KB Output is correct
20 Correct 3 ms 5100 KB Output is correct
21 Correct 4 ms 5100 KB Output is correct
22 Correct 4 ms 5100 KB Output is correct
23 Correct 4 ms 5100 KB Output is correct
24 Correct 4 ms 5100 KB Output is correct
25 Correct 4 ms 5100 KB Output is correct
26 Correct 4 ms 5100 KB Output is correct
27 Correct 4 ms 5100 KB Output is correct
28 Correct 4 ms 5100 KB Output is correct
29 Correct 4 ms 5228 KB Output is correct
30 Correct 4 ms 5228 KB Output is correct
31 Correct 5 ms 5228 KB Output is correct
32 Correct 5 ms 5228 KB Output is correct
33 Correct 4 ms 5228 KB Output is correct
34 Correct 4 ms 5228 KB Output is correct
35 Correct 5 ms 5228 KB Output is correct
36 Correct 5 ms 5228 KB Output is correct
37 Correct 4 ms 5228 KB Output is correct
38 Correct 4 ms 5228 KB Output is correct
39 Correct 5 ms 5228 KB Output is correct
40 Correct 5 ms 5228 KB Output is correct
41 Correct 5 ms 5228 KB Output is correct
42 Correct 4 ms 5228 KB Output is correct
43 Correct 5 ms 5228 KB Output is correct
44 Correct 4 ms 5228 KB Output is correct
45 Correct 5 ms 5228 KB Output is correct
46 Correct 4 ms 5228 KB Output is correct
47 Correct 5 ms 5228 KB Output is correct
48 Correct 4 ms 5228 KB Output is correct
49 Correct 6 ms 5228 KB Output is correct
50 Correct 4 ms 5228 KB Output is correct
51 Correct 5 ms 5228 KB Output is correct
52 Correct 5 ms 5228 KB Output is correct
53 Correct 5 ms 5228 KB Output is correct
54 Correct 4 ms 5228 KB Output is correct
55 Correct 5 ms 5228 KB Output is correct
56 Correct 4 ms 5228 KB Output is correct
57 Correct 4 ms 5356 KB Output is correct
58 Correct 4 ms 5228 KB Output is correct
59 Correct 4 ms 5228 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 4 ms 5228 KB Output is correct
62 Correct 5 ms 5228 KB Output is correct
63 Correct 4 ms 5228 KB Output is correct
64 Correct 174 ms 13372 KB Output is correct
65 Correct 155 ms 13292 KB Output is correct
66 Correct 160 ms 13420 KB Output is correct
67 Correct 166 ms 13292 KB Output is correct
68 Correct 178 ms 13316 KB Output is correct
69 Correct 170 ms 13420 KB Output is correct
70 Correct 156 ms 13292 KB Output is correct
71 Correct 162 ms 13284 KB Output is correct
72 Correct 167 ms 13292 KB Output is correct
73 Correct 196 ms 26220 KB Output is correct
74 Correct 191 ms 25964 KB Output is correct
75 Correct 171 ms 13164 KB Output is correct
76 Correct 165 ms 13548 KB Output is correct
77 Correct 177 ms 13164 KB Output is correct
78 Correct 168 ms 13164 KB Output is correct
79 Correct 175 ms 13164 KB Output is correct
80 Correct 174 ms 13264 KB Output is correct
81 Correct 126 ms 13540 KB Output is correct
82 Correct 154 ms 13416 KB Output is correct
83 Correct 172 ms 18540 KB Output is correct
84 Correct 167 ms 20588 KB Output is correct
85 Correct 173 ms 20204 KB Output is correct
86 Correct 166 ms 14792 KB Output is correct
87 Correct 158 ms 14188 KB Output is correct
88 Correct 165 ms 14572 KB Output is correct
89 Correct 175 ms 14700 KB Output is correct
90 Correct 160 ms 14316 KB Output is correct
91 Correct 155 ms 14572 KB Output is correct
92 Correct 157 ms 14956 KB Output is correct
93 Correct 152 ms 17384 KB Output is correct
94 Correct 140 ms 19044 KB Output is correct
95 Correct 149 ms 17640 KB Output is correct
96 Correct 149 ms 15980 KB Output is correct
97 Correct 144 ms 14316 KB Output is correct
98 Correct 148 ms 13932 KB Output is correct
99 Correct 164 ms 13676 KB Output is correct
100 Correct 154 ms 16840 KB Output is correct
101 Correct 170 ms 14828 KB Output is correct
102 Correct 140 ms 14112 KB Output is correct
103 Correct 151 ms 14060 KB Output is correct
104 Correct 103 ms 14048 KB Output is correct
105 Correct 192 ms 22764 KB Output is correct
106 Correct 109 ms 13992 KB Output is correct
107 Correct 105 ms 14048 KB Output is correct
108 Correct 192 ms 26860 KB Output is correct
109 Correct 96 ms 14048 KB Output is correct
110 Correct 179 ms 26988 KB Output is correct
111 Correct 164 ms 13164 KB Output is correct