oj.uz

Submission #928635

# Submission time Handle Problem Language Result Execution time Memory
928635 2024-02-16T22:48:22 Z 1075508020060209tc Power Plant (JOI20_power) C++14
100 / 100
 192 ms 25620 KB 
//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
//#define _int __int128
#define int long long
int n;
vector<int>e[200005];
int dp[200005];
int ar[200005];
void init(){
cin>>n;
for(int i=1;i<=n-1;i++){
    int a;int b;
    cin>>a>>b;
    e[a].push_back(b);
    e[b].push_back(a);
}
string s;
cin>>s;
for(int i=0;i<n;i++){
    ar[i+1]=s[i]-'0';
}
}
int ans;
void dfs(int nw,int pa){
for(auto v:e[nw]){
    if(v==pa){continue;}
    dfs(v,nw);
}
if(ar[nw]==0){
for(auto v:e[nw]){
    if(v==pa){continue;}
    dp[nw]+=dp[v];
}
}else{
dp[nw]=-1;
for(auto v:e[nw]){
    if(v==pa){continue;}
    dp[nw]+=dp[v];
    ans=max(ans,dp[v]+1);
}
dp[nw]=max(1ll,dp[nw]);
}
ans=max(ans,dp[nw]);
}


signed main(){
init();
dfs(1,0);
cout<<ans;

}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8028 KB Output is correct
2 Correct 2 ms 5980 KB Output is correct
3 Correct 1 ms 5980 KB Output is correct
4 Correct 2 ms 8028 KB Output is correct
5 Correct 2 ms 8092 KB Output is correct
6 Correct 2 ms 8028 KB Output is correct
7 Correct 2 ms 8288 KB Output is correct
8 Correct 2 ms 8028 KB Output is correct
9 Correct 2 ms 8028 KB Output is correct
10 Correct 2 ms 5980 KB Output is correct
11 Correct 2 ms 8028 KB Output is correct
12 Correct 2 ms 8028 KB Output is correct
13 Correct 2 ms 8028 KB Output is correct
14 Correct 2 ms 8028 KB Output is correct
15 Correct 2 ms 5812 KB Output is correct
16 Correct 2 ms 8028 KB Output is correct
17 Correct 2 ms 8028 KB Output is correct
18 Correct 2 ms 8028 KB Output is correct
19 Correct 2 ms 8028 KB Output is correct
20 Correct 2 ms 8084 KB Output is correct
21 Correct 2 ms 8028 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8028 KB Output is correct
2 Correct 2 ms 5980 KB Output is correct
3 Correct 1 ms 5980 KB Output is correct
4 Correct 2 ms 8028 KB Output is correct
5 Correct 2 ms 8092 KB Output is correct
6 Correct 2 ms 8028 KB Output is correct
7 Correct 2 ms 8288 KB Output is correct
8 Correct 2 ms 8028 KB Output is correct
9 Correct 2 ms 8028 KB Output is correct
10 Correct 2 ms 5980 KB Output is correct
11 Correct 2 ms 8028 KB Output is correct
12 Correct 2 ms 8028 KB Output is correct
13 Correct 2 ms 8028 KB Output is correct
14 Correct 2 ms 8028 KB Output is correct
15 Correct 2 ms 5812 KB Output is correct
16 Correct 2 ms 8028 KB Output is correct
17 Correct 2 ms 8028 KB Output is correct
18 Correct 2 ms 8028 KB Output is correct
19 Correct 2 ms 8028 KB Output is correct
20 Correct 2 ms 8084 KB Output is correct
21 Correct 2 ms 8028 KB Output is correct
22 Correct 3 ms 8024 KB Output is correct
23 Correct 3 ms 8028 KB Output is correct
24 Correct 3 ms 8028 KB Output is correct
25 Correct 3 ms 8024 KB Output is correct
26 Correct 3 ms 8028 KB Output is correct
27 Correct 3 ms 6236 KB Output is correct
28 Correct 3 ms 5980 KB Output is correct
29 Correct 3 ms 8028 KB Output is correct
30 Correct 3 ms 8028 KB Output is correct
31 Correct 3 ms 8024 KB Output is correct
32 Correct 3 ms 8028 KB Output is correct
33 Correct 4 ms 8028 KB Output is correct
34 Correct 3 ms 8028 KB Output is correct
35 Correct 3 ms 5980 KB Output is correct
36 Correct 2 ms 5980 KB Output is correct
37 Correct 3 ms 8028 KB Output is correct
38 Correct 3 ms 5980 KB Output is correct
39 Correct 3 ms 8028 KB Output is correct
40 Correct 3 ms 8028 KB Output is correct
41 Correct 3 ms 5976 KB Output is correct
42 Correct 3 ms 5980 KB Output is correct
43 Correct 3 ms 8028 KB Output is correct
44 Correct 3 ms 8028 KB Output is correct
45 Correct 3 ms 8100 KB Output is correct
46 Correct 3 ms 8028 KB Output is correct
47 Correct 3 ms 5980 KB Output is correct
48 Correct 3 ms 5976 KB Output is correct
49 Correct 3 ms 8024 KB Output is correct
50 Correct 3 ms 8028 KB Output is correct
51 Correct 4 ms 8024 KB Output is correct
52 Correct 3 ms 8028 KB Output is correct
53 Correct 2 ms 5980 KB Output is correct
54 Correct 3 ms 8028 KB Output is correct
55 Correct 3 ms 8028 KB Output is correct
56 Correct 3 ms 5980 KB Output is correct
57 Correct 3 ms 6116 KB Output is correct
58 Correct 3 ms 8028 KB Output is correct
59 Correct 3 ms 8028 KB Output is correct
60 Correct 3 ms 8028 KB Output is correct
61 Correct 2 ms 5976 KB Output is correct
62 Correct 3 ms 8028 KB Output is correct
63 Correct 3 ms 8152 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8028 KB Output is correct
2 Correct 2 ms 5980 KB Output is correct
3 Correct 1 ms 5980 KB Output is correct
4 Correct 2 ms 8028 KB Output is correct
5 Correct 2 ms 8092 KB Output is correct
6 Correct 2 ms 8028 KB Output is correct
7 Correct 2 ms 8288 KB Output is correct
8 Correct 2 ms 8028 KB Output is correct
9 Correct 2 ms 8028 KB Output is correct
10 Correct 2 ms 5980 KB Output is correct
11 Correct 2 ms 8028 KB Output is correct
12 Correct 2 ms 8028 KB Output is correct
13 Correct 2 ms 8028 KB Output is correct
14 Correct 2 ms 8028 KB Output is correct
15 Correct 2 ms 5812 KB Output is correct
16 Correct 2 ms 8028 KB Output is correct
17 Correct 2 ms 8028 KB Output is correct
18 Correct 2 ms 8028 KB Output is correct
19 Correct 2 ms 8028 KB Output is correct
20 Correct 2 ms 8084 KB Output is correct
21 Correct 2 ms 8028 KB Output is correct
22 Correct 3 ms 8024 KB Output is correct
23 Correct 3 ms 8028 KB Output is correct
24 Correct 3 ms 8028 KB Output is correct
25 Correct 3 ms 8024 KB Output is correct
26 Correct 3 ms 8028 KB Output is correct
27 Correct 3 ms 6236 KB Output is correct
28 Correct 3 ms 5980 KB Output is correct
29 Correct 3 ms 8028 KB Output is correct
30 Correct 3 ms 8028 KB Output is correct
31 Correct 3 ms 8024 KB Output is correct
32 Correct 3 ms 8028 KB Output is correct
33 Correct 4 ms 8028 KB Output is correct
34 Correct 3 ms 8028 KB Output is correct
35 Correct 3 ms 5980 KB Output is correct
36 Correct 2 ms 5980 KB Output is correct
37 Correct 3 ms 8028 KB Output is correct
38 Correct 3 ms 5980 KB Output is correct
39 Correct 3 ms 8028 KB Output is correct
40 Correct 3 ms 8028 KB Output is correct
41 Correct 3 ms 5976 KB Output is correct
42 Correct 3 ms 5980 KB Output is correct
43 Correct 3 ms 8028 KB Output is correct
44 Correct 3 ms 8028 KB Output is correct
45 Correct 3 ms 8100 KB Output is correct
46 Correct 3 ms 8028 KB Output is correct
47 Correct 3 ms 5980 KB Output is correct
48 Correct 3 ms 5976 KB Output is correct
49 Correct 3 ms 8024 KB Output is correct
50 Correct 3 ms 8028 KB Output is correct
51 Correct 4 ms 8024 KB Output is correct
52 Correct 3 ms 8028 KB Output is correct
53 Correct 2 ms 5980 KB Output is correct
54 Correct 3 ms 8028 KB Output is correct
55 Correct 3 ms 8028 KB Output is correct
56 Correct 3 ms 5980 KB Output is correct
57 Correct 3 ms 6116 KB Output is correct
58 Correct 3 ms 8028 KB Output is correct
59 Correct 3 ms 8028 KB Output is correct
60 Correct 3 ms 8028 KB Output is correct
61 Correct 2 ms 5976 KB Output is correct
62 Correct 3 ms 8028 KB Output is correct
63 Correct 3 ms 8152 KB Output is correct
64 Correct 123 ms 18404 KB Output is correct
65 Correct 140 ms 18424 KB Output is correct
66 Correct 125 ms 18400 KB Output is correct
67 Correct 146 ms 18464 KB Output is correct
68 Correct 124 ms 18400 KB Output is correct
69 Correct 127 ms 18488 KB Output is correct
70 Correct 143 ms 18916 KB Output is correct
71 Correct 129 ms 18404 KB Output is correct
72 Correct 128 ms 18456 KB Output is correct
73 Correct 158 ms 24852 KB Output is correct
74 Correct 138 ms 24924 KB Output is correct
75 Correct 192 ms 19688 KB Output is correct
76 Correct 124 ms 19680 KB Output is correct
77 Correct 130 ms 18404 KB Output is correct
78 Correct 130 ms 18432 KB Output is correct
79 Correct 140 ms 18372 KB Output is correct
80 Correct 178 ms 18404 KB Output is correct
81 Correct 111 ms 18708 KB Output is correct
82 Correct 131 ms 18628 KB Output is correct
83 Correct 154 ms 21272 KB Output is correct
84 Correct 129 ms 22564 KB Output is correct
85 Correct 151 ms 22460 KB Output is correct
86 Correct 151 ms 19000 KB Output is correct
87 Correct 124 ms 18972 KB Output is correct
88 Correct 127 ms 18816 KB Output is correct
89 Correct 136 ms 19228 KB Output is correct
90 Correct 129 ms 18768 KB Output is correct
91 Correct 122 ms 18980 KB Output is correct
92 Correct 153 ms 19112 KB Output is correct
93 Correct 120 ms 20116 KB Output is correct
94 Correct 121 ms 21568 KB Output is correct
95 Correct 166 ms 20604 KB Output is correct
96 Correct 136 ms 19620 KB Output is correct
97 Correct 115 ms 18776 KB Output is correct
98 Correct 145 ms 18628 KB Output is correct
99 Correct 120 ms 18568 KB Output is correct
100 Correct 126 ms 19996 KB Output is correct
101 Correct 118 ms 18864 KB Output is correct
102 Correct 115 ms 18552 KB Output is correct
103 Correct 124 ms 18680 KB Output is correct
104 Correct 139 ms 19132 KB Output is correct
105 Correct 149 ms 22936 KB Output is correct
106 Correct 101 ms 19136 KB Output is correct
107 Correct 103 ms 19132 KB Output is correct
108 Correct 182 ms 25364 KB Output is correct
109 Correct 106 ms 19152 KB Output is correct
110 Correct 149 ms 25620 KB Output is correct
111 Correct 118 ms 18400 KB Output is correct