oj.uz

답안 #623060

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
623060 2022-08-05T06:45:37 Z Mahdi Power Plant (JOI20_power) C++17
100 / 100
 183 ms 32444 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
#define all(v) v.begin(), v.end()
#define F first
#define S second
typedef long long ll;
typedef pair<int, int> pii;
const int N=2e5+5;
int n, dp[N], pd[N];
vector<int>g[N];
string s;

void dfs(const int &v, const int &p=-1){
    for(int u: g[v]){
        if(u!=p){
            dfs(u, v);
            pd[v]+=pd[u];
            if(s[v]=='1')
                dp[v]=max(dp[v], pd[u]+1);
            dp[v]=max(dp[v], dp[u]);  
        }
    }
    if(s[v]=='1'){
        --pd[v];
        pd[v]=max(pd[v], 1);
    }
    dp[v]=max(dp[v], pd[v]);
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin>>n;
    for(int i=1;i<n;++i){
        int u, v;
        cin>>u>>v;
        g[--u].push_back(--v);
        g[v].push_back(u);
    }
    cin>>s;
    dfs(0);
    cout<<dp[0]<<'\n';
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 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 3 ms 4948 KB Output is correct
5 Correct 3 ms 5032 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5032 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 5028 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4960 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 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 4 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 5028 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 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 3 ms 4948 KB Output is correct
5 Correct 3 ms 5032 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5032 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 5028 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4960 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 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 4 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 5028 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 5 ms 5204 KB Output is correct
30 Correct 4 ms 5204 KB Output is correct
31 Correct 4 ms 5076 KB Output is correct
32 Correct 4 ms 5040 KB Output is correct
33 Correct 3 ms 5036 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 3 ms 5040 KB Output is correct
36 Correct 4 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5040 KB Output is correct
39 Correct 4 ms 5088 KB Output is correct
40 Correct 3 ms 5088 KB Output is correct
41 Correct 3 ms 5204 KB Output is correct
42 Correct 5 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 4 ms 5168 KB Output is correct
45 Correct 3 ms 5108 KB Output is correct
46 Correct 4 ms 5076 KB Output is correct
47 Correct 4 ms 5092 KB Output is correct
48 Correct 4 ms 5152 KB Output is correct
49 Correct 5 ms 5172 KB Output is correct
50 Correct 3 ms 5172 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 5 ms 5088 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 5 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5172 KB Output is correct
58 Correct 5 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 4 ms 5164 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 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 3 ms 4948 KB Output is correct
5 Correct 3 ms 5032 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5032 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 5028 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4960 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 2 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 4 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 5028 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 5 ms 5204 KB Output is correct
30 Correct 4 ms 5204 KB Output is correct
31 Correct 4 ms 5076 KB Output is correct
32 Correct 4 ms 5040 KB Output is correct
33 Correct 3 ms 5036 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 3 ms 5040 KB Output is correct
36 Correct 4 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5040 KB Output is correct
39 Correct 4 ms 5088 KB Output is correct
40 Correct 3 ms 5088 KB Output is correct
41 Correct 3 ms 5204 KB Output is correct
42 Correct 5 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 4 ms 5168 KB Output is correct
45 Correct 3 ms 5108 KB Output is correct
46 Correct 4 ms 5076 KB Output is correct
47 Correct 4 ms 5092 KB Output is correct
48 Correct 4 ms 5152 KB Output is correct
49 Correct 5 ms 5172 KB Output is correct
50 Correct 3 ms 5172 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 5 ms 5088 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 5 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5172 KB Output is correct
58 Correct 5 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 4 ms 5164 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 122 ms 15920 KB Output is correct
65 Correct 119 ms 15880 KB Output is correct
66 Correct 141 ms 15880 KB Output is correct
67 Correct 151 ms 15908 KB Output is correct
68 Correct 152 ms 15936 KB Output is correct
69 Correct 175 ms 15880 KB Output is correct
70 Correct 152 ms 15960 KB Output is correct
71 Correct 115 ms 15980 KB Output is correct
72 Correct 132 ms 15920 KB Output is correct
73 Correct 148 ms 31120 KB Output is correct
74 Correct 133 ms 30988 KB Output is correct
75 Correct 137 ms 15776 KB Output is correct
76 Correct 109 ms 15764 KB Output is correct
77 Correct 113 ms 15792 KB Output is correct
78 Correct 116 ms 15756 KB Output is correct
79 Correct 183 ms 15768 KB Output is correct
80 Correct 117 ms 15752 KB Output is correct
81 Correct 98 ms 16312 KB Output is correct
82 Correct 117 ms 16156 KB Output is correct
83 Correct 131 ms 22112 KB Output is correct
84 Correct 128 ms 24584 KB Output is correct
85 Correct 122 ms 24224 KB Output is correct
86 Correct 116 ms 17584 KB Output is correct
87 Correct 120 ms 16904 KB Output is correct
88 Correct 110 ms 17252 KB Output is correct
89 Correct 120 ms 17284 KB Output is correct
90 Correct 175 ms 17004 KB Output is correct
91 Correct 115 ms 17320 KB Output is correct
92 Correct 120 ms 17692 KB Output is correct
93 Correct 128 ms 20688 KB Output is correct
94 Correct 116 ms 22796 KB Output is correct
95 Correct 115 ms 21060 KB Output is correct
96 Correct 116 ms 19008 KB Output is correct
97 Correct 128 ms 17068 KB Output is correct
98 Correct 118 ms 16448 KB Output is correct
99 Correct 130 ms 16368 KB Output is correct
100 Correct 114 ms 20124 KB Output is correct
101 Correct 118 ms 17688 KB Output is correct
102 Correct 110 ms 16796 KB Output is correct
103 Correct 116 ms 16556 KB Output is correct
104 Correct 76 ms 16028 KB Output is correct
105 Correct 134 ms 27396 KB Output is correct
106 Correct 74 ms 16784 KB Output is correct
107 Correct 66 ms 16704 KB Output is correct
108 Correct 132 ms 32008 KB Output is correct
109 Correct 70 ms 16084 KB Output is correct
110 Correct 136 ms 32444 KB Output is correct
111 Correct 117 ms 15816 KB Output is correct