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답안 #734128

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
734128 2023-05-01T20:10:54 Z n0sk1ll Power Plant (JOI20_power) C++17
100 / 100
 152 ms 31764 KB 
#include <bits/stdc++.h>

#define FAST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);cerr.tie(0)
#define mp make_pair
#define xx first
#define yy second
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define all(x) x.begin(),x.end()
#define ff(i,a,b) for (int i = a; i < b; i++)
#define fff(i,a,b) for (int i = a; i <= b; i++)
#define bff(i,a,b) for (int i = b-1; i >= a; i--)
#define bfff(i,a,b) for (int i = b; i >= a; i--)

using namespace std;
long double typedef ld;
unsigned int typedef ui;
long long int typedef li;
pair<int,int> typedef pii;
pair<li,li> typedef pli;
pair<ld,ld> typedef pld;
vector<vector<int>> typedef graph;
unsigned long long int typedef ull;
//const int mod = 998244353;
const int mod = 1000000007;







//Note to self: Check for overflow

graph g(200005);
bool struja[200005];
int dp[200005];
int ans=0;

void dfs(int p, int q)
{
    int suma=0,mx=0;
    for (auto it : g[p]) if (it!=q)
    {
        dfs(it,p);
        suma+=dp[it];
        mx=max(mx,dp[it]);
    }

    ans=max(ans,mx+struja[p]);
    dp[p]=max(dp[p],suma-struja[p]);
    if (struja[p]) dp[p]=max(dp[p],1);
    ans=max(ans,dp[p]);
}

int main()
{
    FAST;

    int n; cin>>n;
    ff(i,1,n)
    {
        int u,v; cin>>u>>v;
        g[u].pb(v),g[v].pb(u);
    }

    string s; cin>>s;
    fff(i,1,n) struja[i]=(s[i-1]=='1');

    dfs(1,0);
    cout<<ans<<"\n";

    //fff(i,1,n) cout<<i<<": "<<dp[i]<<endl;
}

//Note to self: Check for overflow

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 5076 KB Output is correct
3 Correct 3 ms 5032 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5040 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5032 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 5036 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 5028 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 3 ms 5044 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5036 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 5076 KB Output is correct
3 Correct 3 ms 5032 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5040 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5032 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 5036 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 5028 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 3 ms 5044 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5036 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5044 KB Output is correct
23 Correct 4 ms 5204 KB Output is correct
24 Correct 4 ms 5044 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 4 ms 5248 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 5 ms 5092 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 4 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 3 ms 5184 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 4 ms 5180 KB Output is correct
42 Correct 4 ms 5072 KB Output is correct
43 Correct 4 ms 5076 KB Output is correct
44 Correct 4 ms 5076 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 4 ms 5204 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5172 KB Output is correct
52 Correct 3 ms 5052 KB Output is correct
53 Correct 3 ms 5044 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 4 ms 5048 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 5048 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 4 ms 5176 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 5076 KB Output is correct
3 Correct 3 ms 5032 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5040 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5032 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 5036 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 5028 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 3 ms 5044 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5036 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5044 KB Output is correct
23 Correct 4 ms 5204 KB Output is correct
24 Correct 4 ms 5044 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 4 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 4 ms 5248 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 5 ms 5092 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 4 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 4 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 4 ms 5076 KB Output is correct
39 Correct 3 ms 5184 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 4 ms 5180 KB Output is correct
42 Correct 4 ms 5072 KB Output is correct
43 Correct 4 ms 5076 KB Output is correct
44 Correct 4 ms 5076 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 4 ms 5076 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 4 ms 5204 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5172 KB Output is correct
52 Correct 3 ms 5052 KB Output is correct
53 Correct 3 ms 5044 KB Output is correct
54 Correct 4 ms 5076 KB Output is correct
55 Correct 4 ms 5048 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 5048 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 4 ms 5176 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct
64 Correct 115 ms 15356 KB Output is correct
65 Correct 132 ms 15320 KB Output is correct
66 Correct 126 ms 15288 KB Output is correct
67 Correct 117 ms 15412 KB Output is correct
68 Correct 120 ms 15352 KB Output is correct
69 Correct 146 ms 15332 KB Output is correct
70 Correct 116 ms 15420 KB Output is correct
71 Correct 137 ms 15352 KB Output is correct
72 Correct 138 ms 15400 KB Output is correct
73 Correct 148 ms 30480 KB Output is correct
74 Correct 130 ms 30480 KB Output is correct
75 Correct 140 ms 15188 KB Output is correct
76 Correct 118 ms 15292 KB Output is correct
77 Correct 114 ms 15296 KB Output is correct
78 Correct 120 ms 15288 KB Output is correct
79 Correct 120 ms 15188 KB Output is correct
80 Correct 135 ms 15236 KB Output is correct
81 Correct 97 ms 15688 KB Output is correct
82 Correct 117 ms 15456 KB Output is correct
83 Correct 141 ms 21444 KB Output is correct
84 Correct 139 ms 24088 KB Output is correct
85 Correct 133 ms 23676 KB Output is correct
86 Correct 142 ms 17000 KB Output is correct
87 Correct 131 ms 16320 KB Output is correct
88 Correct 112 ms 16740 KB Output is correct
89 Correct 111 ms 16776 KB Output is correct
90 Correct 145 ms 16516 KB Output is correct
91 Correct 107 ms 16748 KB Output is correct
92 Correct 128 ms 17080 KB Output is correct
93 Correct 102 ms 20096 KB Output is correct
94 Correct 119 ms 22212 KB Output is correct
95 Correct 110 ms 20520 KB Output is correct
96 Correct 103 ms 18488 KB Output is correct
97 Correct 117 ms 16484 KB Output is correct
98 Correct 127 ms 15932 KB Output is correct
99 Correct 136 ms 15672 KB Output is correct
100 Correct 108 ms 19492 KB Output is correct
101 Correct 119 ms 17132 KB Output is correct
102 Correct 120 ms 16112 KB Output is correct
103 Correct 121 ms 15952 KB Output is correct
104 Correct 62 ms 16188 KB Output is correct
105 Correct 131 ms 26720 KB Output is correct
106 Correct 68 ms 16084 KB Output is correct
107 Correct 89 ms 16064 KB Output is correct
108 Correct 152 ms 31424 KB Output is correct
109 Correct 68 ms 16292 KB Output is correct
110 Correct 139 ms 31764 KB Output is correct
111 Correct 150 ms 15260 KB Output is correct