Submission #369420

# Submission time Handle Problem Language Result Execution time Memory
369420 2021-02-21T16:21:14 Z jhnah917 Power Plant (JOI20_power) C++14
100 / 100
217 ms 29492 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, S[202020];
vector<int> G[202020];
int D[202020], R;

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

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 - '0'; }
    DFS(1, -1);
    cout << R;
}
# Verdict Execution time Memory Grader output
1 Correct 4 ms 5120 KB Output is correct
2 Correct 4 ms 5100 KB Output is correct
3 Correct 4 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 3 ms 5100 KB Output is correct
7 Correct 3 ms 5100 KB Output is correct
8 Correct 4 ms 5100 KB Output is correct
9 Correct 4 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 5100 KB Output is correct
15 Correct 4 ms 5100 KB Output is correct
16 Correct 4 ms 5100 KB Output is correct
17 Correct 4 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 4 ms 5100 KB Output is correct
21 Correct 4 ms 5248 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 5120 KB Output is correct
2 Correct 4 ms 5100 KB Output is correct
3 Correct 4 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 3 ms 5100 KB Output is correct
7 Correct 3 ms 5100 KB Output is correct
8 Correct 4 ms 5100 KB Output is correct
9 Correct 4 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 5100 KB Output is correct
15 Correct 4 ms 5100 KB Output is correct
16 Correct 4 ms 5100 KB Output is correct
17 Correct 4 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 4 ms 5100 KB Output is correct
21 Correct 4 ms 5248 KB Output is correct
22 Correct 6 ms 5228 KB Output is correct
23 Correct 5 ms 5228 KB Output is correct
24 Correct 5 ms 5228 KB Output is correct
25 Correct 5 ms 5228 KB Output is correct
26 Correct 5 ms 5228 KB Output is correct
27 Correct 5 ms 5228 KB Output is correct
28 Correct 4 ms 5228 KB Output is correct
29 Correct 4 ms 5356 KB Output is correct
30 Correct 5 ms 5228 KB Output is correct
31 Correct 4 ms 5228 KB Output is correct
32 Correct 4 ms 5228 KB Output is correct
33 Correct 5 ms 5356 KB Output is correct
34 Correct 4 ms 5228 KB Output is correct
35 Correct 5 ms 5228 KB Output is correct
36 Correct 4 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 4 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 5 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 4 ms 5228 KB Output is correct
46 Correct 5 ms 5376 KB Output is correct
47 Correct 5 ms 5228 KB Output is correct
48 Correct 4 ms 5228 KB Output is correct
49 Correct 4 ms 5228 KB Output is correct
50 Correct 5 ms 5228 KB Output is correct
51 Correct 5 ms 5228 KB Output is correct
52 Correct 4 ms 5228 KB Output is correct
53 Correct 6 ms 5228 KB Output is correct
54 Correct 5 ms 5228 KB Output is correct
55 Correct 4 ms 5228 KB Output is correct
56 Correct 4 ms 5228 KB Output is correct
57 Correct 5 ms 5356 KB Output is correct
58 Correct 5 ms 5228 KB Output is correct
59 Correct 5 ms 5228 KB Output is correct
60 Correct 5 ms 5228 KB Output is correct
61 Correct 4 ms 5228 KB Output is correct
62 Correct 4 ms 5356 KB Output is correct
63 Correct 6 ms 5228 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 5120 KB Output is correct
2 Correct 4 ms 5100 KB Output is correct
3 Correct 4 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 3 ms 5100 KB Output is correct
7 Correct 3 ms 5100 KB Output is correct
8 Correct 4 ms 5100 KB Output is correct
9 Correct 4 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 5100 KB Output is correct
15 Correct 4 ms 5100 KB Output is correct
16 Correct 4 ms 5100 KB Output is correct
17 Correct 4 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 4 ms 5100 KB Output is correct
21 Correct 4 ms 5248 KB Output is correct
22 Correct 6 ms 5228 KB Output is correct
23 Correct 5 ms 5228 KB Output is correct
24 Correct 5 ms 5228 KB Output is correct
25 Correct 5 ms 5228 KB Output is correct
26 Correct 5 ms 5228 KB Output is correct
27 Correct 5 ms 5228 KB Output is correct
28 Correct 4 ms 5228 KB Output is correct
29 Correct 4 ms 5356 KB Output is correct
30 Correct 5 ms 5228 KB Output is correct
31 Correct 4 ms 5228 KB Output is correct
32 Correct 4 ms 5228 KB Output is correct
33 Correct 5 ms 5356 KB Output is correct
34 Correct 4 ms 5228 KB Output is correct
35 Correct 5 ms 5228 KB Output is correct
36 Correct 4 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 4 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 5 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 4 ms 5228 KB Output is correct
46 Correct 5 ms 5376 KB Output is correct
47 Correct 5 ms 5228 KB Output is correct
48 Correct 4 ms 5228 KB Output is correct
49 Correct 4 ms 5228 KB Output is correct
50 Correct 5 ms 5228 KB Output is correct
51 Correct 5 ms 5228 KB Output is correct
52 Correct 4 ms 5228 KB Output is correct
53 Correct 6 ms 5228 KB Output is correct
54 Correct 5 ms 5228 KB Output is correct
55 Correct 4 ms 5228 KB Output is correct
56 Correct 4 ms 5228 KB Output is correct
57 Correct 5 ms 5356 KB Output is correct
58 Correct 5 ms 5228 KB Output is correct
59 Correct 5 ms 5228 KB Output is correct
60 Correct 5 ms 5228 KB Output is correct
61 Correct 4 ms 5228 KB Output is correct
62 Correct 4 ms 5356 KB Output is correct
63 Correct 6 ms 5228 KB Output is correct
64 Correct 158 ms 15724 KB Output is correct
65 Correct 176 ms 15724 KB Output is correct
66 Correct 169 ms 15852 KB Output is correct
67 Correct 159 ms 15724 KB Output is correct
68 Correct 163 ms 15852 KB Output is correct
69 Correct 170 ms 15724 KB Output is correct
70 Correct 167 ms 15852 KB Output is correct
71 Correct 157 ms 15724 KB Output is correct
72 Correct 173 ms 15724 KB Output is correct
73 Correct 190 ms 28600 KB Output is correct
74 Correct 197 ms 28268 KB Output is correct
75 Correct 171 ms 15724 KB Output is correct
76 Correct 161 ms 15724 KB Output is correct
77 Correct 170 ms 15724 KB Output is correct
78 Correct 176 ms 15816 KB Output is correct
79 Correct 189 ms 15596 KB Output is correct
80 Correct 184 ms 15596 KB Output is correct
81 Correct 140 ms 15972 KB Output is correct
82 Correct 160 ms 15848 KB Output is correct
83 Correct 204 ms 20844 KB Output is correct
84 Correct 174 ms 23020 KB Output is correct
85 Correct 189 ms 22636 KB Output is correct
86 Correct 172 ms 17132 KB Output is correct
87 Correct 194 ms 16492 KB Output is correct
88 Correct 168 ms 17004 KB Output is correct
89 Correct 187 ms 17004 KB Output is correct
90 Correct 163 ms 16876 KB Output is correct
91 Correct 169 ms 17132 KB Output is correct
92 Correct 198 ms 17388 KB Output is correct
93 Correct 171 ms 19816 KB Output is correct
94 Correct 144 ms 21348 KB Output is correct
95 Correct 156 ms 20200 KB Output is correct
96 Correct 165 ms 18412 KB Output is correct
97 Correct 158 ms 17008 KB Output is correct
98 Correct 148 ms 16364 KB Output is correct
99 Correct 155 ms 16108 KB Output is correct
100 Correct 151 ms 19436 KB Output is correct
101 Correct 171 ms 17260 KB Output is correct
102 Correct 151 ms 16620 KB Output is correct
103 Correct 156 ms 16492 KB Output is correct
104 Correct 100 ms 16480 KB Output is correct
105 Correct 191 ms 25324 KB Output is correct
106 Correct 107 ms 16352 KB Output is correct
107 Correct 97 ms 16352 KB Output is correct
108 Correct 182 ms 29164 KB Output is correct
109 Correct 118 ms 16480 KB Output is correct
110 Correct 217 ms 29492 KB Output is correct
111 Correct 164 ms 15596 KB Output is correct