oj.uz

답안 #849773

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
849773 2023-09-15T10:32:21 Z Abito Power Plant (JOI20_power) C++17
100 / 100
 183 ms 26704 KB 
#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
#define int long long
#define y1 YONE
typedef unsigned long long ull;
using namespace std;
const int N=2e5+5;
int n,dp[N],ans;
vector<int> adj[N];
bool a[N];
int rec(int node,int p){
    //int s=bool(p);
    dp[node]=0;
    for (auto u:adj[node]) if (u!=p) dp[node]+=rec(u,node);
    if (adj[node].size()<=1) dp[node]+=a[node];
    else dp[node]-=a[node];
    return dp[node]=max(dp[node],(int)a[node]);
}
void dfs(int node,int p){
    if (p) dp[p]=max(dp[p]-dp[node],(int)a[p]);
    dp[node]=max(dp[node]+dp[p],(int)a[node]);
    ans=max(ans,dp[node]);
    for (auto u:adj[node]) if (u!=p) dfs(u,node);
    return;
}
int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    cin>>n;
    for (int i=1;i<n;i++){
        int x,y;cin>>x>>y;
        adj[x].pb(y);adj[y].pb(x);
    }for (int i=1;i<=n;i++){char c;cin>>c;a[i]=c-'0';}
    rec(1,0);
    dfs(1,0);
    cout<<ans<<endl;
    return 0;
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Correct 2 ms 6488 KB Output is correct
4 Correct 2 ms 6488 KB Output is correct
5 Correct 1 ms 6488 KB Output is correct
6 Correct 1 ms 6488 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 2 ms 6488 KB Output is correct
10 Correct 1 ms 6488 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 2 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 6488 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Correct 2 ms 6488 KB Output is correct
4 Correct 2 ms 6488 KB Output is correct
5 Correct 1 ms 6488 KB Output is correct
6 Correct 1 ms 6488 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 2 ms 6488 KB Output is correct
10 Correct 1 ms 6488 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 2 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 6488 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6488 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 2 ms 6492 KB Output is correct
26 Correct 2 ms 6492 KB Output is correct
27 Correct 2 ms 6496 KB Output is correct
28 Correct 2 ms 6692 KB Output is correct
29 Correct 2 ms 6744 KB Output is correct
30 Correct 2 ms 6744 KB Output is correct
31 Correct 2 ms 6488 KB Output is correct
32 Correct 2 ms 6488 KB Output is correct
33 Correct 2 ms 6488 KB Output is correct
34 Correct 2 ms 6488 KB Output is correct
35 Correct 2 ms 6488 KB Output is correct
36 Correct 2 ms 6488 KB Output is correct
37 Correct 2 ms 6488 KB Output is correct
38 Correct 2 ms 6492 KB Output is correct
39 Correct 2 ms 6492 KB Output is correct
40 Correct 2 ms 6488 KB Output is correct
41 Correct 2 ms 6488 KB Output is correct
42 Correct 2 ms 6488 KB Output is correct
43 Correct 2 ms 6488 KB Output is correct
44 Correct 2 ms 6488 KB Output is correct
45 Correct 2 ms 6492 KB Output is correct
46 Correct 2 ms 6488 KB Output is correct
47 Correct 2 ms 6488 KB Output is correct
48 Correct 2 ms 6488 KB Output is correct
49 Correct 2 ms 6744 KB Output is correct
50 Correct 2 ms 6592 KB Output is correct
51 Correct 2 ms 6488 KB Output is correct
52 Correct 2 ms 6492 KB Output is correct
53 Correct 2 ms 6488 KB Output is correct
54 Correct 2 ms 6488 KB Output is correct
55 Correct 2 ms 6488 KB Output is correct
56 Correct 2 ms 6488 KB Output is correct
57 Correct 2 ms 6744 KB Output is correct
58 Correct 2 ms 6488 KB Output is correct
59 Correct 2 ms 6488 KB Output is correct
60 Correct 2 ms 6744 KB Output is correct
61 Correct 2 ms 6488 KB Output is correct
62 Correct 2 ms 6744 KB Output is correct
63 Correct 2 ms 6496 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 1 ms 6488 KB Output is correct
3 Correct 2 ms 6488 KB Output is correct
4 Correct 2 ms 6488 KB Output is correct
5 Correct 1 ms 6488 KB Output is correct
6 Correct 1 ms 6488 KB Output is correct
7 Correct 2 ms 6488 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 2 ms 6488 KB Output is correct
10 Correct 1 ms 6488 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 2 ms 6488 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 6488 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6488 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6488 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 2 ms 6492 KB Output is correct
26 Correct 2 ms 6492 KB Output is correct
27 Correct 2 ms 6496 KB Output is correct
28 Correct 2 ms 6692 KB Output is correct
29 Correct 2 ms 6744 KB Output is correct
30 Correct 2 ms 6744 KB Output is correct
31 Correct 2 ms 6488 KB Output is correct
32 Correct 2 ms 6488 KB Output is correct
33 Correct 2 ms 6488 KB Output is correct
34 Correct 2 ms 6488 KB Output is correct
35 Correct 2 ms 6488 KB Output is correct
36 Correct 2 ms 6488 KB Output is correct
37 Correct 2 ms 6488 KB Output is correct
38 Correct 2 ms 6492 KB Output is correct
39 Correct 2 ms 6492 KB Output is correct
40 Correct 2 ms 6488 KB Output is correct
41 Correct 2 ms 6488 KB Output is correct
42 Correct 2 ms 6488 KB Output is correct
43 Correct 2 ms 6488 KB Output is correct
44 Correct 2 ms 6488 KB Output is correct
45 Correct 2 ms 6492 KB Output is correct
46 Correct 2 ms 6488 KB Output is correct
47 Correct 2 ms 6488 KB Output is correct
48 Correct 2 ms 6488 KB Output is correct
49 Correct 2 ms 6744 KB Output is correct
50 Correct 2 ms 6592 KB Output is correct
51 Correct 2 ms 6488 KB Output is correct
52 Correct 2 ms 6492 KB Output is correct
53 Correct 2 ms 6488 KB Output is correct
54 Correct 2 ms 6488 KB Output is correct
55 Correct 2 ms 6488 KB Output is correct
56 Correct 2 ms 6488 KB Output is correct
57 Correct 2 ms 6744 KB Output is correct
58 Correct 2 ms 6488 KB Output is correct
59 Correct 2 ms 6488 KB Output is correct
60 Correct 2 ms 6744 KB Output is correct
61 Correct 2 ms 6488 KB Output is correct
62 Correct 2 ms 6744 KB Output is correct
63 Correct 2 ms 6496 KB Output is correct
64 Correct 124 ms 16956 KB Output is correct
65 Correct 103 ms 16720 KB Output is correct
66 Correct 84 ms 16976 KB Output is correct
67 Correct 75 ms 16720 KB Output is correct
68 Correct 103 ms 16748 KB Output is correct
69 Correct 75 ms 16972 KB Output is correct
70 Correct 88 ms 16736 KB Output is correct
71 Correct 79 ms 16968 KB Output is correct
72 Correct 80 ms 16720 KB Output is correct
73 Correct 113 ms 26064 KB Output is correct
74 Correct 103 ms 25892 KB Output is correct
75 Correct 79 ms 18208 KB Output is correct
76 Correct 120 ms 18132 KB Output is correct
77 Correct 87 ms 16724 KB Output is correct
78 Correct 86 ms 16724 KB Output is correct
79 Correct 122 ms 16976 KB Output is correct
80 Correct 75 ms 16952 KB Output is correct
81 Correct 64 ms 16832 KB Output is correct
82 Correct 68 ms 16812 KB Output is correct
83 Correct 183 ms 20900 KB Output is correct
84 Correct 128 ms 22568 KB Output is correct
85 Correct 95 ms 22256 KB Output is correct
86 Correct 83 ms 18256 KB Output is correct
87 Correct 94 ms 17576 KB Output is correct
88 Correct 83 ms 17488 KB Output is correct
89 Correct 116 ms 17680 KB Output is correct
90 Correct 103 ms 17688 KB Output is correct
91 Correct 73 ms 17572 KB Output is correct
92 Correct 122 ms 18000 KB Output is correct
93 Correct 87 ms 19400 KB Output is correct
94 Correct 86 ms 20932 KB Output is correct
95 Correct 79 ms 19956 KB Output is correct
96 Correct 83 ms 18512 KB Output is correct
97 Correct 119 ms 17376 KB Output is correct
98 Correct 97 ms 16976 KB Output is correct
99 Correct 89 ms 16976 KB Output is correct
100 Correct 80 ms 19280 KB Output is correct
101 Correct 74 ms 17648 KB Output is correct
102 Correct 101 ms 17080 KB Output is correct
103 Correct 76 ms 17232 KB Output is correct
104 Correct 60 ms 17396 KB Output is correct
105 Correct 98 ms 23376 KB Output is correct
106 Correct 50 ms 17344 KB Output is correct
107 Correct 67 ms 17324 KB Output is correct
108 Correct 130 ms 26704 KB Output is correct
109 Correct 46 ms 17340 KB Output is correct
110 Correct 101 ms 26704 KB Output is correct
111 Correct 80 ms 16724 KB Output is correct