oj.uz

답안 #793160

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
793160 2023-07-25T14:40:26 Z anton Power Plant (JOI20_power) C++17
100 / 100
 196 ms 33940 KB 
#include<bits/stdc++.h>

using namespace std;
#define int long long

const int MAX_N = 2*1e5;
int n, dp[MAX_N][2];
string s;
vector<int> adj[MAX_N];

void find_dp(int id, int anc){
    dp[id][0]= 0;
    dp[id][1] = 0;

    bool gen = s[id] == '1';

    int s1=0;
    int best1= 0;
    int best0= 0;

    for(auto e: adj[id]){
        if(e!=anc){
            find_dp(e, id);
            s1 += dp[e][1];
            best1 = max(best1, dp[e][1]);
            best0 = max(best0, dp[e][0]);
        }
    }
    if(!gen){
        dp[id][0] = max(max(s1, best0), 0LL);
        dp[id][1] = max(s1, 0LL);
    }
    else{
        dp[id][0] = max(s1-1, max(best1+1, best0));
        dp[id][1] = max(s1-1, 1LL);
    }

    //cout<<id<<" "<<dp[id][0]<<" "<<dp[id][1]<<endl;
}


signed main(){
    cin>>n;

    for(int i = 0; i<n-1; i++){
        int a, b;
        cin>>a>>b;
        a--;b--;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }

    cin>>s;

    find_dp(0, -1);
    cout<<dp[0][0]<<endl;
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5008 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5012 KB Output is correct
4 Correct 2 ms 5004 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5008 KB Output is correct
11 Correct 3 ms 5012 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 5008 KB Output is correct
19 Correct 3 ms 4920 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 5004 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5008 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5012 KB Output is correct
4 Correct 2 ms 5004 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5008 KB Output is correct
11 Correct 3 ms 5012 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 5008 KB Output is correct
19 Correct 3 ms 4920 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 5004 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5084 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5028 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 4 ms 5148 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 5 ms 5016 KB Output is correct
38 Correct 3 ms 5016 KB Output is correct
39 Correct 3 ms 5152 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5144 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5144 KB Output is correct
44 Correct 4 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5140 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 4 ms 5064 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 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 3 ms 5076 KB Output is correct
62 Correct 3 ms 5204 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 2 ms 5008 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5012 KB Output is correct
4 Correct 2 ms 5004 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5008 KB Output is correct
11 Correct 3 ms 5012 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 5008 KB Output is correct
19 Correct 3 ms 4920 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 5004 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5084 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5028 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 4 ms 5148 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 5 ms 5016 KB Output is correct
38 Correct 3 ms 5016 KB Output is correct
39 Correct 3 ms 5152 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5144 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5144 KB Output is correct
44 Correct 4 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5140 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 4 ms 5064 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 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 3 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 138 ms 18432 KB Output is correct
65 Correct 140 ms 18468 KB Output is correct
66 Correct 144 ms 18528 KB Output is correct
67 Correct 133 ms 18524 KB Output is correct
68 Correct 150 ms 18424 KB Output is correct
69 Correct 134 ms 18504 KB Output is correct
70 Correct 135 ms 18436 KB Output is correct
71 Correct 155 ms 18464 KB Output is correct
72 Correct 134 ms 18492 KB Output is correct
73 Correct 155 ms 32632 KB Output is correct
74 Correct 196 ms 32600 KB Output is correct
75 Correct 148 ms 19812 KB Output is correct
76 Correct 139 ms 19672 KB Output is correct
77 Correct 155 ms 18496 KB Output is correct
78 Correct 142 ms 18440 KB Output is correct
79 Correct 152 ms 18572 KB Output is correct
80 Correct 156 ms 18452 KB Output is correct
81 Correct 136 ms 18532 KB Output is correct
82 Correct 132 ms 18496 KB Output is correct
83 Correct 156 ms 24648 KB Output is correct
84 Correct 150 ms 27160 KB Output is correct
85 Correct 143 ms 26784 KB Output is correct
86 Correct 175 ms 20092 KB Output is correct
87 Correct 153 ms 19420 KB Output is correct
88 Correct 135 ms 19492 KB Output is correct
89 Correct 146 ms 19484 KB Output is correct
90 Correct 133 ms 19208 KB Output is correct
91 Correct 135 ms 19496 KB Output is correct
92 Correct 157 ms 19904 KB Output is correct
93 Correct 142 ms 22744 KB Output is correct
94 Correct 134 ms 24688 KB Output is correct
95 Correct 136 ms 23232 KB Output is correct
96 Correct 132 ms 20912 KB Output is correct
97 Correct 132 ms 19236 KB Output is correct
98 Correct 127 ms 18656 KB Output is correct
99 Correct 162 ms 18524 KB Output is correct
100 Correct 181 ms 22136 KB Output is correct
101 Correct 134 ms 19648 KB Output is correct
102 Correct 132 ms 18872 KB Output is correct
103 Correct 171 ms 18820 KB Output is correct
104 Correct 130 ms 19104 KB Output is correct
105 Correct 154 ms 28872 KB Output is correct
106 Correct 113 ms 19000 KB Output is correct
107 Correct 142 ms 18928 KB Output is correct
108 Correct 151 ms 33492 KB Output is correct
109 Correct 125 ms 19164 KB Output is correct
110 Correct 160 ms 33940 KB Output is correct
111 Correct 130 ms 18468 KB Output is correct