oj.uz

답안 #631895

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
631895 2022-08-19T05:20:32 Z radal Power Plant (JOI20_power) C++17
100 / 100
 165 ms 29576 KB 
#include <bits/stdc++.h>
#define rep(i,l,r) for (int i = l; i < r; i++)
#define pb push_back

using namespace std;

constexpr int N = 2e5+10;

int dp[N][2],n;
vector<int> adj[N];
string s;
void dfs(int v,int p){
    for (int u : adj[v]){
        if (u != p){
            dfs(u,v);
        }
    }
    if (s[v-1] == '0'){
        int su = 0;
        for (int u : adj[v]){
            if (u == p) continue;
            su += dp[u][1];
            dp[v][0] = max(dp[v][0],dp[u][0]);
        }
        dp[v][0] = max(dp[v][0],su);
        dp[v][1] = su;
        return;
    }
    dp[v][0] = dp[v][1] = 1;
    int su = 0;
    for (int u : adj[v]){
        if (u == p) continue;
        dp[v][0] = max({dp[v][0],dp[u][0],1+dp[u][1]});
        su += dp[u][1];
    }
    dp[v][0] = max(dp[v][0],su-1);
    dp[v][1] = max(dp[v][1],su-1);
}

int main(){
    ios_base :: sync_with_stdio(0); cin.tie(0);
    cin >> n;
    rep(i,1,n){
        int u,v;
        cin >> u >> v;
        adj[u].pb(v);
        adj[v].pb(u);
    }
    cin >> s;
    dfs(1,0);
    cout << dp[1][0];
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5028 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 4 ms 4948 KB Output is correct
4 Correct 5 ms 5028 KB Output is correct
5 Correct 3 ms 5028 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 5 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 4 ms 5028 KB Output is correct
14 Correct 3 ms 5032 KB Output is correct
15 Correct 3 ms 5024 KB Output is correct
16 Correct 3 ms 5024 KB Output is correct
17 Correct 3 ms 5028 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 4 ms 4952 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 4 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5028 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 4 ms 4948 KB Output is correct
4 Correct 5 ms 5028 KB Output is correct
5 Correct 3 ms 5028 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 5 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 4 ms 5028 KB Output is correct
14 Correct 3 ms 5032 KB Output is correct
15 Correct 3 ms 5024 KB Output is correct
16 Correct 3 ms 5024 KB Output is correct
17 Correct 3 ms 5028 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 4 ms 4952 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 4 ms 4948 KB Output is correct
22 Correct 5 ms 5040 KB Output is correct
23 Correct 4 ms 5036 KB Output is correct
24 Correct 5 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 5 ms 5012 KB Output is correct
27 Correct 4 ms 5040 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 4 ms 5084 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 5 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 4 ms 5040 KB Output is correct
36 Correct 4 ms 5020 KB Output is correct
37 Correct 4 ms 5284 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 5 ms 5168 KB Output is correct
40 Correct 5 ms 5076 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 3 ms 5040 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5092 KB Output is correct
47 Correct 4 ms 5084 KB Output is correct
48 Correct 4 ms 5204 KB Output is correct
49 Correct 5 ms 5084 KB Output is correct
50 Correct 3 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 4 ms 5044 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 3 ms 5044 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 4 ms 5168 KB Output is correct
58 Correct 4 ms 5040 KB Output is correct
59 Correct 4 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5028 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 4 ms 4948 KB Output is correct
4 Correct 5 ms 5028 KB Output is correct
5 Correct 3 ms 5028 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 5 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 4 ms 5028 KB Output is correct
14 Correct 3 ms 5032 KB Output is correct
15 Correct 3 ms 5024 KB Output is correct
16 Correct 3 ms 5024 KB Output is correct
17 Correct 3 ms 5028 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 4 ms 4952 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 4 ms 4948 KB Output is correct
22 Correct 5 ms 5040 KB Output is correct
23 Correct 4 ms 5036 KB Output is correct
24 Correct 5 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 5 ms 5012 KB Output is correct
27 Correct 4 ms 5040 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 4 ms 5084 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 5 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 4 ms 5040 KB Output is correct
36 Correct 4 ms 5020 KB Output is correct
37 Correct 4 ms 5284 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 5 ms 5168 KB Output is correct
40 Correct 5 ms 5076 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 3 ms 5040 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5092 KB Output is correct
47 Correct 4 ms 5084 KB Output is correct
48 Correct 4 ms 5204 KB Output is correct
49 Correct 5 ms 5084 KB Output is correct
50 Correct 3 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 4 ms 5044 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 3 ms 5044 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 4 ms 5168 KB Output is correct
58 Correct 4 ms 5040 KB Output is correct
59 Correct 4 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct
64 Correct 152 ms 15884 KB Output is correct
65 Correct 164 ms 15864 KB Output is correct
66 Correct 146 ms 15880 KB Output is correct
67 Correct 119 ms 15944 KB Output is correct
68 Correct 124 ms 15904 KB Output is correct
69 Correct 116 ms 15984 KB Output is correct
70 Correct 157 ms 15876 KB Output is correct
71 Correct 126 ms 15948 KB Output is correct
72 Correct 138 ms 15988 KB Output is correct
73 Correct 141 ms 28532 KB Output is correct
74 Correct 153 ms 28444 KB Output is correct
75 Correct 115 ms 15852 KB Output is correct
76 Correct 154 ms 15960 KB Output is correct
77 Correct 119 ms 15816 KB Output is correct
78 Correct 110 ms 15756 KB Output is correct
79 Correct 126 ms 15876 KB Output is correct
80 Correct 138 ms 15820 KB Output is correct
81 Correct 98 ms 16268 KB Output is correct
82 Correct 130 ms 16076 KB Output is correct
83 Correct 165 ms 21076 KB Output is correct
84 Correct 155 ms 23204 KB Output is correct
85 Correct 118 ms 22860 KB Output is correct
86 Correct 129 ms 17308 KB Output is correct
87 Correct 140 ms 16688 KB Output is correct
88 Correct 125 ms 17140 KB Output is correct
89 Correct 136 ms 17204 KB Output is correct
90 Correct 110 ms 16960 KB Output is correct
91 Correct 118 ms 17252 KB Output is correct
92 Correct 119 ms 17472 KB Output is correct
93 Correct 110 ms 19844 KB Output is correct
94 Correct 151 ms 21672 KB Output is correct
95 Correct 132 ms 20272 KB Output is correct
96 Correct 121 ms 18516 KB Output is correct
97 Correct 117 ms 17020 KB Output is correct
98 Correct 101 ms 16536 KB Output is correct
99 Correct 126 ms 16220 KB Output is correct
100 Correct 120 ms 19448 KB Output is correct
101 Correct 123 ms 17380 KB Output is correct
102 Correct 124 ms 16660 KB Output is correct
103 Correct 137 ms 16500 KB Output is correct
104 Correct 83 ms 16780 KB Output is correct
105 Correct 146 ms 25400 KB Output is correct
106 Correct 69 ms 16688 KB Output is correct
107 Correct 68 ms 16640 KB Output is correct
108 Correct 137 ms 29324 KB Output is correct
109 Correct 71 ms 16752 KB Output is correct
110 Correct 143 ms 29576 KB Output is correct
111 Correct 103 ms 15816 KB Output is correct