oj.uz

Submission #1065789

# Submission time Handle Problem Language Result Execution time Memory
1065789 2024-08-19T11:46:56 Z Malix Power Plant (JOI20_power) C++14
100 / 100
 281 ms 29264 KB 
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> tii;
typedef vector<ll> li;
typedef vector<li> lii;
 
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define LSOne(s) ((s)&(-s))
 
ll INF=1000000000000000010;
int inf=1e9+10;
ll M=1e9+7;

int n;
vii a;
vi p,dp;
int ans=0;

void dfs(int x){
    int k=0;
    int c=0;
    for(auto u:a[x]){
        if(p[x]==u)continue;
        p[u]=x;
        dfs(u);
        k+=dp[u];
        c=max(c,dp[u]);
    }
    if(dp[x]){
        if(x==0&&a[x].size()==1){
            ans=max(ans,dp[x]+k);
            dp[x]=max(dp[x],k-1);
            return;
        }
        else if(x!=0&&a[x].size()==2){
            ans=max(ans,dp[x]+k);
            dp[x]=max(dp[x],k-1);
            return;
        }
        ans=max(ans,c+1);
        dp[x]=max(dp[x],k-1);
        return;
    }
    dp[x]=k;
}

int main() {   
    cin>>n;
    a.resize(n);p.resize(n,-1);dp.resize(n,0);
    REP(i,0,n-1){
        int x,y;cin>>x>>y;
        x--;y--;
        a[x].PB(y);
        a[y].PB(x);
    }
    REP(i,0,n){
        char x;cin>>x;
        if(x-'0'==1)dp[i]=1;
    }
    dfs(0);
    ans=max(ans,*max_element(dp.begin(),dp.end()));
    cout<<ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 568 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 600 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 1 ms 604 KB Output is correct
55 Correct 1 ms 600 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 448 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 1 ms 604 KB Output is correct
63 Correct 1 ms 604 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 568 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 600 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 1 ms 604 KB Output is correct
55 Correct 1 ms 600 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 448 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 1 ms 604 KB Output is correct
63 Correct 1 ms 604 KB Output is correct
64 Correct 120 ms 15704 KB Output is correct
65 Correct 100 ms 15700 KB Output is correct
66 Correct 106 ms 15696 KB Output is correct
67 Correct 109 ms 15544 KB Output is correct
68 Correct 105 ms 15696 KB Output is correct
69 Correct 124 ms 15596 KB Output is correct
70 Correct 116 ms 15700 KB Output is correct
71 Correct 104 ms 15552 KB Output is correct
72 Correct 102 ms 15700 KB Output is correct
73 Correct 123 ms 28500 KB Output is correct
74 Correct 113 ms 28240 KB Output is correct
75 Correct 108 ms 15576 KB Output is correct
76 Correct 105 ms 15440 KB Output is correct
77 Correct 125 ms 15440 KB Output is correct
78 Correct 103 ms 15440 KB Output is correct
79 Correct 105 ms 15440 KB Output is correct
80 Correct 127 ms 15444 KB Output is correct
81 Correct 128 ms 15792 KB Output is correct
82 Correct 99 ms 15824 KB Output is correct
83 Correct 112 ms 20820 KB Output is correct
84 Correct 112 ms 22784 KB Output is correct
85 Correct 122 ms 22608 KB Output is correct
86 Correct 110 ms 16980 KB Output is correct
87 Correct 102 ms 16504 KB Output is correct
88 Correct 113 ms 16976 KB Output is correct
89 Correct 114 ms 16980 KB Output is correct
90 Correct 281 ms 16644 KB Output is correct
91 Correct 110 ms 16980 KB Output is correct
92 Correct 114 ms 17336 KB Output is correct
93 Correct 100 ms 19664 KB Output is correct
94 Correct 105 ms 21192 KB Output is correct
95 Correct 100 ms 19916 KB Output is correct
96 Correct 102 ms 18260 KB Output is correct
97 Correct 104 ms 16720 KB Output is correct
98 Correct 104 ms 16188 KB Output is correct
99 Correct 103 ms 15952 KB Output is correct
100 Correct 103 ms 19184 KB Output is correct
101 Correct 117 ms 17052 KB Output is correct
102 Correct 99 ms 16464 KB Output is correct
103 Correct 101 ms 16208 KB Output is correct
104 Correct 87 ms 16316 KB Output is correct
105 Correct 105 ms 25032 KB Output is correct
106 Correct 115 ms 16324 KB Output is correct
107 Correct 97 ms 16164 KB Output is correct
108 Correct 114 ms 29100 KB Output is correct
109 Correct 91 ms 16348 KB Output is correct
110 Correct 124 ms 29264 KB Output is correct
111 Correct 99 ms 15440 KB Output is correct