Submission #787681

# Submission time Handle Problem Language Result Execution time Memory
787681 2023-07-19T10:53:02 Z winter0101 Power Plant (JOI20_power) C++14
100 / 100
115 ms 28836 KB
#include<bits/stdc++.h>
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pli pair<long long,int>
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
#define pil pair<int,long long>
vector<int>a[200009];
int f[200009];
string s;
int ans=0;
void dfs(int u,int par){
if (s[u]=='1'){
    f[u]=1;
}
int sum=0;
for (auto v:a[u]){
    if (v==par)continue;
    dfs(v,u);
    if (s[u]=='1'){
        ans=max(ans,f[v]+1);
    }
    sum+=f[v];
}
if (s[u]=='1')sum--;
f[u]=max(f[u],sum);
ans=max(ans,f[u]);
}
signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    //freopen("temp.INP","r",stdin);
    //freopen("temp.OUT","w",stdout);
    int n;
    cin>>n;
    for1(i,1,n-1){
    int u,v;
    cin>>u>>v;
    a[u].pb(v);
    a[v].pb(u);
    }
    cin>>s;
    s=" "+s;
    dfs(1,0);
    cout<<ans;
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4956 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 5024 KB Output is correct
7 Correct 2 ms 5020 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 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 2 ms 5020 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4956 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 5024 KB Output is correct
7 Correct 2 ms 5020 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 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 2 ms 5020 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 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 5040 KB Output is correct
28 Correct 3 ms 5052 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5164 KB Output is correct
31 Correct 4 ms 5036 KB Output is correct
32 Correct 3 ms 5036 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 3 ms 5032 KB Output is correct
38 Correct 3 ms 5032 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5080 KB Output is correct
41 Correct 3 ms 5084 KB Output is correct
42 Correct 3 ms 5036 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 5040 KB Output is correct
48 Correct 3 ms 5160 KB Output is correct
49 Correct 3 ms 5160 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 4 ms 5016 KB Output is correct
53 Correct 3 ms 5160 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5204 KB Output is correct
56 Correct 4 ms 5076 KB Output is correct
57 Correct 4 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 5168 KB Output is correct
61 Correct 3 ms 5036 KB Output is correct
62 Correct 3 ms 5160 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4956 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 5024 KB Output is correct
7 Correct 2 ms 5020 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 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 2 ms 5020 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 3 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 5040 KB Output is correct
28 Correct 3 ms 5052 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5164 KB Output is correct
31 Correct 4 ms 5036 KB Output is correct
32 Correct 3 ms 5036 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 3 ms 5032 KB Output is correct
38 Correct 3 ms 5032 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5080 KB Output is correct
41 Correct 3 ms 5084 KB Output is correct
42 Correct 3 ms 5036 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 5040 KB Output is correct
48 Correct 3 ms 5160 KB Output is correct
49 Correct 3 ms 5160 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 4 ms 5016 KB Output is correct
53 Correct 3 ms 5160 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5204 KB Output is correct
56 Correct 4 ms 5076 KB Output is correct
57 Correct 4 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 5168 KB Output is correct
61 Correct 3 ms 5036 KB Output is correct
62 Correct 3 ms 5160 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 115 ms 15156 KB Output is correct
65 Correct 72 ms 15264 KB Output is correct
66 Correct 77 ms 15128 KB Output is correct
67 Correct 66 ms 15200 KB Output is correct
68 Correct 70 ms 15156 KB Output is correct
69 Correct 92 ms 15092 KB Output is correct
70 Correct 75 ms 15196 KB Output is correct
71 Correct 66 ms 15116 KB Output is correct
72 Correct 64 ms 15204 KB Output is correct
73 Correct 109 ms 27768 KB Output is correct
74 Correct 94 ms 27748 KB Output is correct
75 Correct 73 ms 15068 KB Output is correct
76 Correct 66 ms 14988 KB Output is correct
77 Correct 93 ms 15068 KB Output is correct
78 Correct 92 ms 15024 KB Output is correct
79 Correct 74 ms 15084 KB Output is correct
80 Correct 67 ms 14996 KB Output is correct
81 Correct 97 ms 15536 KB Output is correct
82 Correct 86 ms 15208 KB Output is correct
83 Correct 84 ms 20216 KB Output is correct
84 Correct 77 ms 22320 KB Output is correct
85 Correct 87 ms 22084 KB Output is correct
86 Correct 76 ms 16520 KB Output is correct
87 Correct 90 ms 15964 KB Output is correct
88 Correct 74 ms 16388 KB Output is correct
89 Correct 75 ms 16428 KB Output is correct
90 Correct 68 ms 16220 KB Output is correct
91 Correct 112 ms 16424 KB Output is correct
92 Correct 73 ms 16764 KB Output is correct
93 Correct 90 ms 19096 KB Output is correct
94 Correct 72 ms 20840 KB Output is correct
95 Correct 91 ms 19572 KB Output is correct
96 Correct 86 ms 17728 KB Output is correct
97 Correct 66 ms 16160 KB Output is correct
98 Correct 84 ms 15644 KB Output is correct
99 Correct 66 ms 15416 KB Output is correct
100 Correct 87 ms 18704 KB Output is correct
101 Correct 85 ms 16648 KB Output is correct
102 Correct 66 ms 15956 KB Output is correct
103 Correct 70 ms 15696 KB Output is correct
104 Correct 49 ms 16064 KB Output is correct
105 Correct 106 ms 24536 KB Output is correct
106 Correct 52 ms 15936 KB Output is correct
107 Correct 45 ms 15936 KB Output is correct
108 Correct 83 ms 28552 KB Output is correct
109 Correct 46 ms 15964 KB Output is correct
110 Correct 94 ms 28836 KB Output is correct
111 Correct 64 ms 15072 KB Output is correct