oj.uz

Submission #763285

# Submission time Handle Problem Language Result Execution time Memory
763285 2023-06-22T07:42:16 Z vjudge1 Power Plant (JOI20_power) C++14
100 / 100
 178 ms 26160 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define SIZE 200000
 
void chmax(int &a,int b){
    if(a<b)a=b;
}
 
int n,ans;
vector<int>g[SIZE];
int E[SIZE],dp[SIZE];
 
void dfs(int v,int p){
    int sum=0,ma=0;
    for(int &i:g[v]){
        if(i==p)continue;
        dfs(i,v);
        sum+=dp[i];
        chmax(ma,dp[i]);
    }
    if(E[v]==1){
        chmax(ans,max(ma+1,sum-1));
    }else{
        chmax(ans,sum);
    }
    dp[v]=max(E[v],sum-E[v]);
}
 
int main(){
    cin>>n;
    for(int i=0;i<n-1;i++){
        int a,b;
        cin>>a>>b;
        g[--a].push_back(--b);
        g[b].push_back(a);
    }
    string s;
    cin>>s;
    for(int i=0;i<n;i++){
        if(s[i]=='1')E[i]=1;
    }
    dfs(0,-1);
    cout<<ans<<endl;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 4 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 4 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 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 3 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 3 ms 5204 KB Output is correct
30 Correct 3 ms 5076 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 4 ms 5076 KB Output is correct
37 Correct 3 ms 5096 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 3 ms 5148 KB Output is correct
42 Correct 3 ms 5076 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 5076 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5076 KB Output is correct
49 Correct 3 ms 5076 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 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 5004 KB Output is correct
60 Correct 3 ms 5076 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

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 4 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 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 3 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 3 ms 5204 KB Output is correct
30 Correct 3 ms 5076 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 4 ms 5076 KB Output is correct
37 Correct 3 ms 5096 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 3 ms 5148 KB Output is correct
42 Correct 3 ms 5076 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 5076 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5076 KB Output is correct
49 Correct 3 ms 5076 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 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 5004 KB Output is correct
60 Correct 3 ms 5076 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 125 ms 13200 KB Output is correct
65 Correct 136 ms 13128 KB Output is correct
66 Correct 125 ms 13212 KB Output is correct
67 Correct 126 ms 13176 KB Output is correct
68 Correct 122 ms 13164 KB Output is correct
69 Correct 122 ms 13224 KB Output is correct
70 Correct 127 ms 13196 KB Output is correct
71 Correct 138 ms 13292 KB Output is correct
72 Correct 120 ms 12384 KB Output is correct
73 Correct 141 ms 25864 KB Output is correct
74 Correct 140 ms 25772 KB Output is correct
75 Correct 137 ms 13024 KB Output is correct
76 Correct 121 ms 13048 KB Output is correct
77 Correct 122 ms 13060 KB Output is correct
78 Correct 133 ms 13020 KB Output is correct
79 Correct 138 ms 13264 KB Output is correct
80 Correct 121 ms 13072 KB Output is correct
81 Correct 113 ms 13560 KB Output is correct
82 Correct 132 ms 13400 KB Output is correct
83 Correct 131 ms 18292 KB Output is correct
84 Correct 138 ms 20496 KB Output is correct
85 Correct 134 ms 20064 KB Output is correct
86 Correct 162 ms 14492 KB Output is correct
87 Correct 124 ms 13972 KB Output is correct
88 Correct 140 ms 14420 KB Output is correct
89 Correct 125 ms 14448 KB Output is correct
90 Correct 133 ms 14220 KB Output is correct
91 Correct 125 ms 14440 KB Output is correct
92 Correct 141 ms 14828 KB Output is correct
93 Correct 122 ms 17236 KB Output is correct
94 Correct 119 ms 19020 KB Output is correct
95 Correct 120 ms 17612 KB Output is correct
96 Correct 132 ms 15708 KB Output is correct
97 Correct 119 ms 14240 KB Output is correct
98 Correct 122 ms 13732 KB Output is correct
99 Correct 121 ms 13576 KB Output is correct
100 Correct 122 ms 16740 KB Output is correct
101 Correct 122 ms 14708 KB Output is correct
102 Correct 138 ms 13984 KB Output is correct
103 Correct 120 ms 13752 KB Output is correct
104 Correct 103 ms 13240 KB Output is correct
105 Correct 133 ms 21872 KB Output is correct
106 Correct 105 ms 14012 KB Output is correct
107 Correct 119 ms 13924 KB Output is correct
108 Correct 178 ms 25840 KB Output is correct
109 Correct 111 ms 13168 KB Output is correct
110 Correct 135 ms 26160 KB Output is correct
111 Correct 126 ms 13088 KB Output is correct