답안 #307029

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
307029 2020-09-26T19:18:01 Z jovan_b Power Plant (JOI20_power) C++17
100 / 100
193 ms 27576 KB
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;

string s = "0";
int res;
int dp[200005];
vector <int> graf[200005];

void dfs(int v, int par){
    int mx = 0;
    for(auto c : graf[v]){
        if(c == par) continue;
        dfs(c, v);
        dp[v] += dp[c];
        mx = max(mx, dp[c]);
    }
    if(s[v] == '1') res = max(res, 1+mx);
    else res = max(res, dp[v]);
    dp[v] -= s[v]-'0';
    if(dp[v] <= 0 && s[v] == '1') dp[v] = 1;
    //cout << v << " " << dp[v] << endl;
    res = max(res, dp[v]);
}

int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cout.precision(10);
    cout << fixed;

    int n;
    cin >> n;
    for(int i=1; i<n; i++){
        int a, b;
        cin >> a >> b;
        graf[a].push_back(b);
        graf[b].push_back(a);
    }
    string g;
    cin >> g;
    s += g;
    dfs(1, 0);
    cout << res;
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 4 ms 5120 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 5120 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 3 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 4 ms 5120 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 5120 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 3 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 5 ms 5120 KB Output is correct
23 Correct 5 ms 5120 KB Output is correct
24 Correct 4 ms 5120 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 5 ms 5120 KB Output is correct
27 Correct 4 ms 5120 KB Output is correct
28 Correct 4 ms 5120 KB Output is correct
29 Correct 5 ms 5248 KB Output is correct
30 Correct 4 ms 5248 KB Output is correct
31 Correct 4 ms 5120 KB Output is correct
32 Correct 5 ms 5120 KB Output is correct
33 Correct 5 ms 5120 KB Output is correct
34 Correct 4 ms 5120 KB Output is correct
35 Correct 4 ms 5120 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 4 ms 5120 KB Output is correct
38 Correct 4 ms 5120 KB Output is correct
39 Correct 4 ms 5120 KB Output is correct
40 Correct 4 ms 5120 KB Output is correct
41 Correct 4 ms 5120 KB Output is correct
42 Correct 4 ms 5120 KB Output is correct
43 Correct 4 ms 5120 KB Output is correct
44 Correct 4 ms 5120 KB Output is correct
45 Correct 5 ms 5120 KB Output is correct
46 Correct 5 ms 5120 KB Output is correct
47 Correct 6 ms 5248 KB Output is correct
48 Correct 4 ms 5248 KB Output is correct
49 Correct 5 ms 5248 KB Output is correct
50 Correct 4 ms 5120 KB Output is correct
51 Correct 5 ms 5120 KB Output is correct
52 Correct 5 ms 5120 KB Output is correct
53 Correct 5 ms 5120 KB Output is correct
54 Correct 5 ms 5120 KB Output is correct
55 Correct 5 ms 5120 KB Output is correct
56 Correct 4 ms 5120 KB Output is correct
57 Correct 4 ms 5248 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 4 ms 5120 KB Output is correct
62 Correct 4 ms 5248 KB Output is correct
63 Correct 4 ms 5120 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 4 ms 5120 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 5120 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 3 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 5 ms 5120 KB Output is correct
23 Correct 5 ms 5120 KB Output is correct
24 Correct 4 ms 5120 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 5 ms 5120 KB Output is correct
27 Correct 4 ms 5120 KB Output is correct
28 Correct 4 ms 5120 KB Output is correct
29 Correct 5 ms 5248 KB Output is correct
30 Correct 4 ms 5248 KB Output is correct
31 Correct 4 ms 5120 KB Output is correct
32 Correct 5 ms 5120 KB Output is correct
33 Correct 5 ms 5120 KB Output is correct
34 Correct 4 ms 5120 KB Output is correct
35 Correct 4 ms 5120 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 4 ms 5120 KB Output is correct
38 Correct 4 ms 5120 KB Output is correct
39 Correct 4 ms 5120 KB Output is correct
40 Correct 4 ms 5120 KB Output is correct
41 Correct 4 ms 5120 KB Output is correct
42 Correct 4 ms 5120 KB Output is correct
43 Correct 4 ms 5120 KB Output is correct
44 Correct 4 ms 5120 KB Output is correct
45 Correct 5 ms 5120 KB Output is correct
46 Correct 5 ms 5120 KB Output is correct
47 Correct 6 ms 5248 KB Output is correct
48 Correct 4 ms 5248 KB Output is correct
49 Correct 5 ms 5248 KB Output is correct
50 Correct 4 ms 5120 KB Output is correct
51 Correct 5 ms 5120 KB Output is correct
52 Correct 5 ms 5120 KB Output is correct
53 Correct 5 ms 5120 KB Output is correct
54 Correct 5 ms 5120 KB Output is correct
55 Correct 5 ms 5120 KB Output is correct
56 Correct 4 ms 5120 KB Output is correct
57 Correct 4 ms 5248 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 4 ms 5120 KB Output is correct
62 Correct 4 ms 5248 KB Output is correct
63 Correct 4 ms 5120 KB Output is correct
64 Correct 169 ms 14396 KB Output is correct
65 Correct 169 ms 14520 KB Output is correct
66 Correct 172 ms 14372 KB Output is correct
67 Correct 170 ms 14388 KB Output is correct
68 Correct 173 ms 14500 KB Output is correct
69 Correct 173 ms 14520 KB Output is correct
70 Correct 167 ms 14508 KB Output is correct
71 Correct 174 ms 14404 KB Output is correct
72 Correct 175 ms 14388 KB Output is correct
73 Correct 192 ms 27192 KB Output is correct
74 Correct 193 ms 27028 KB Output is correct
75 Correct 170 ms 14264 KB Output is correct
76 Correct 171 ms 14524 KB Output is correct
77 Correct 171 ms 14260 KB Output is correct
78 Correct 165 ms 14268 KB Output is correct
79 Correct 170 ms 14272 KB Output is correct
80 Correct 171 ms 14264 KB Output is correct
81 Correct 146 ms 14580 KB Output is correct
82 Correct 150 ms 14044 KB Output is correct
83 Correct 171 ms 19132 KB Output is correct
84 Correct 175 ms 21192 KB Output is correct
85 Correct 171 ms 20804 KB Output is correct
86 Correct 165 ms 15284 KB Output is correct
87 Correct 163 ms 14644 KB Output is correct
88 Correct 161 ms 15092 KB Output is correct
89 Correct 154 ms 15052 KB Output is correct
90 Correct 155 ms 14876 KB Output is correct
91 Correct 155 ms 15132 KB Output is correct
92 Correct 160 ms 15400 KB Output is correct
93 Correct 151 ms 17920 KB Output is correct
94 Correct 150 ms 19572 KB Output is correct
95 Correct 156 ms 18288 KB Output is correct
96 Correct 155 ms 16420 KB Output is correct
97 Correct 155 ms 14872 KB Output is correct
98 Correct 159 ms 14440 KB Output is correct
99 Correct 190 ms 14260 KB Output is correct
100 Correct 146 ms 17316 KB Output is correct
101 Correct 151 ms 15412 KB Output is correct
102 Correct 147 ms 14584 KB Output is correct
103 Correct 160 ms 14424 KB Output is correct
104 Correct 108 ms 14440 KB Output is correct
105 Correct 187 ms 23224 KB Output is correct
106 Correct 106 ms 14444 KB Output is correct
107 Correct 105 ms 14444 KB Output is correct
108 Correct 190 ms 27320 KB Output is correct
109 Correct 106 ms 14444 KB Output is correct
110 Correct 184 ms 27576 KB Output is correct
111 Correct 152 ms 13772 KB Output is correct