oj.uz

답안 #619950

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
619950 2022-08-02T17:34:34 Z nohaxjustsoflo Power Plant (JOI20_power) C++17
100 / 100
 216 ms 34760 KB 
#include <bits/stdc++.h>
#include <iostream>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<ll,null_type,less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> order_set;
mt19937 mt_rand(chrono::high_resolution_clock::now().time_since_epoch().count());
//uniform_int_distribution<int> gen; ///(min, max)
//int random() {return gen(mt_rand);}
const int mxN=3e5+5;
const int mod=998244353;
const int mxlogN=20;
const int mxK=26;
const int inf=2e9;
const int K=600;
vector<int> adj[mxN];
string s;
int dp[2][mxN];
int solve(int i, bool b, int p)
{
    if(~dp[b][i]) return dp[b][i];

    if(!b)
    {
        int ans=0, ans2=0, ans3=0;
        for(int j:adj[i])
        {
            if(j==p) continue;
            ans=max(ans,solve(j,0,i));
            ans2=max(ans2,solve(j,1,i));
            ans3+=solve(j,1,i);
        }
        ans=max(ans,ans3-(s[i]=='1'));
        if(s[i]=='1') ans=max(ans,ans2+1);
        return dp[b][i]=ans;
    }
    int ans=0, ans2=0;
    if(s[i]=='1') ans=1;
    for(int j:adj[i])
    {
        if(j==p) continue;
        ans2+=solve(j,1,i);
    }
    ans=max(ans,ans2-(s[i]=='1'));
    return dp[b][i]=ans;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n; cin >> n;
    for(int i=0; i<n; i++) dp[0][i]=dp[1][i]=-1;
    for(int i=1; i<n; i++)
    {
        int u,v; cin >> u >> v; u--, v--;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    cin >> s;
    cout << solve(0,0,0) << "\n";
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 4 ms 7252 KB Output is correct
5 Correct 4 ms 7380 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7380 KB Output is correct
8 Correct 5 ms 7380 KB Output is correct
9 Correct 5 ms 7344 KB Output is correct
10 Correct 6 ms 7264 KB Output is correct
11 Correct 6 ms 7384 KB Output is correct
12 Correct 4 ms 7380 KB Output is correct
13 Correct 4 ms 7380 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 5 ms 7380 KB Output is correct
16 Correct 4 ms 7380 KB Output is correct
17 Correct 6 ms 7380 KB Output is correct
18 Correct 5 ms 7380 KB Output is correct
19 Correct 4 ms 7380 KB Output is correct
20 Correct 4 ms 7384 KB Output is correct
21 Correct 4 ms 7372 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 4 ms 7252 KB Output is correct
5 Correct 4 ms 7380 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7380 KB Output is correct
8 Correct 5 ms 7380 KB Output is correct
9 Correct 5 ms 7344 KB Output is correct
10 Correct 6 ms 7264 KB Output is correct
11 Correct 6 ms 7384 KB Output is correct
12 Correct 4 ms 7380 KB Output is correct
13 Correct 4 ms 7380 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 5 ms 7380 KB Output is correct
16 Correct 4 ms 7380 KB Output is correct
17 Correct 6 ms 7380 KB Output is correct
18 Correct 5 ms 7380 KB Output is correct
19 Correct 4 ms 7380 KB Output is correct
20 Correct 4 ms 7384 KB Output is correct
21 Correct 4 ms 7372 KB Output is correct
22 Correct 5 ms 7380 KB Output is correct
23 Correct 5 ms 7392 KB Output is correct
24 Correct 5 ms 7380 KB Output is correct
25 Correct 5 ms 7380 KB Output is correct
26 Correct 6 ms 7380 KB Output is correct
27 Correct 6 ms 7380 KB Output is correct
28 Correct 5 ms 7380 KB Output is correct
29 Correct 5 ms 7508 KB Output is correct
30 Correct 5 ms 7516 KB Output is correct
31 Correct 5 ms 7380 KB Output is correct
32 Correct 5 ms 7388 KB Output is correct
33 Correct 5 ms 7380 KB Output is correct
34 Correct 5 ms 7392 KB Output is correct
35 Correct 5 ms 7380 KB Output is correct
36 Correct 4 ms 7380 KB Output is correct
37 Correct 5 ms 7384 KB Output is correct
38 Correct 4 ms 7380 KB Output is correct
39 Correct 4 ms 7512 KB Output is correct
40 Correct 6 ms 7428 KB Output is correct
41 Correct 6 ms 7508 KB Output is correct
42 Correct 7 ms 7508 KB Output is correct
43 Correct 5 ms 7380 KB Output is correct
44 Correct 5 ms 7508 KB Output is correct
45 Correct 5 ms 7508 KB Output is correct
46 Correct 5 ms 7464 KB Output is correct
47 Correct 5 ms 7476 KB Output is correct
48 Correct 5 ms 7508 KB Output is correct
49 Correct 5 ms 7476 KB Output is correct
50 Correct 5 ms 7508 KB Output is correct
51 Correct 5 ms 7508 KB Output is correct
52 Correct 5 ms 7380 KB Output is correct
53 Correct 5 ms 7508 KB Output is correct
54 Correct 5 ms 7512 KB Output is correct
55 Correct 5 ms 7388 KB Output is correct
56 Correct 5 ms 7536 KB Output is correct
57 Correct 5 ms 7640 KB Output is correct
58 Correct 5 ms 7384 KB Output is correct
59 Correct 6 ms 7380 KB Output is correct
60 Correct 6 ms 7508 KB Output is correct
61 Correct 6 ms 7392 KB Output is correct
62 Correct 5 ms 7516 KB Output is correct
63 Correct 4 ms 7380 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Correct 4 ms 7252 KB Output is correct
5 Correct 4 ms 7380 KB Output is correct
6 Correct 4 ms 7252 KB Output is correct
7 Correct 4 ms 7380 KB Output is correct
8 Correct 5 ms 7380 KB Output is correct
9 Correct 5 ms 7344 KB Output is correct
10 Correct 6 ms 7264 KB Output is correct
11 Correct 6 ms 7384 KB Output is correct
12 Correct 4 ms 7380 KB Output is correct
13 Correct 4 ms 7380 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 5 ms 7380 KB Output is correct
16 Correct 4 ms 7380 KB Output is correct
17 Correct 6 ms 7380 KB Output is correct
18 Correct 5 ms 7380 KB Output is correct
19 Correct 4 ms 7380 KB Output is correct
20 Correct 4 ms 7384 KB Output is correct
21 Correct 4 ms 7372 KB Output is correct
22 Correct 5 ms 7380 KB Output is correct
23 Correct 5 ms 7392 KB Output is correct
24 Correct 5 ms 7380 KB Output is correct
25 Correct 5 ms 7380 KB Output is correct
26 Correct 6 ms 7380 KB Output is correct
27 Correct 6 ms 7380 KB Output is correct
28 Correct 5 ms 7380 KB Output is correct
29 Correct 5 ms 7508 KB Output is correct
30 Correct 5 ms 7516 KB Output is correct
31 Correct 5 ms 7380 KB Output is correct
32 Correct 5 ms 7388 KB Output is correct
33 Correct 5 ms 7380 KB Output is correct
34 Correct 5 ms 7392 KB Output is correct
35 Correct 5 ms 7380 KB Output is correct
36 Correct 4 ms 7380 KB Output is correct
37 Correct 5 ms 7384 KB Output is correct
38 Correct 4 ms 7380 KB Output is correct
39 Correct 4 ms 7512 KB Output is correct
40 Correct 6 ms 7428 KB Output is correct
41 Correct 6 ms 7508 KB Output is correct
42 Correct 7 ms 7508 KB Output is correct
43 Correct 5 ms 7380 KB Output is correct
44 Correct 5 ms 7508 KB Output is correct
45 Correct 5 ms 7508 KB Output is correct
46 Correct 5 ms 7464 KB Output is correct
47 Correct 5 ms 7476 KB Output is correct
48 Correct 5 ms 7508 KB Output is correct
49 Correct 5 ms 7476 KB Output is correct
50 Correct 5 ms 7508 KB Output is correct
51 Correct 5 ms 7508 KB Output is correct
52 Correct 5 ms 7380 KB Output is correct
53 Correct 5 ms 7508 KB Output is correct
54 Correct 5 ms 7512 KB Output is correct
55 Correct 5 ms 7388 KB Output is correct
56 Correct 5 ms 7536 KB Output is correct
57 Correct 5 ms 7640 KB Output is correct
58 Correct 5 ms 7384 KB Output is correct
59 Correct 6 ms 7380 KB Output is correct
60 Correct 6 ms 7508 KB Output is correct
61 Correct 6 ms 7392 KB Output is correct
62 Correct 5 ms 7516 KB Output is correct
63 Correct 4 ms 7380 KB Output is correct
64 Correct 131 ms 18360 KB Output is correct
65 Correct 175 ms 18460 KB Output is correct
66 Correct 128 ms 18468 KB Output is correct
67 Correct 155 ms 18412 KB Output is correct
68 Correct 129 ms 18396 KB Output is correct
69 Correct 166 ms 18348 KB Output is correct
70 Correct 152 ms 18432 KB Output is correct
71 Correct 126 ms 18360 KB Output is correct
72 Correct 147 ms 18416 KB Output is correct
73 Correct 167 ms 33492 KB Output is correct
74 Correct 163 ms 33420 KB Output is correct
75 Correct 151 ms 18260 KB Output is correct
76 Correct 140 ms 18392 KB Output is correct
77 Correct 125 ms 18360 KB Output is correct
78 Correct 166 ms 18324 KB Output is correct
79 Correct 153 ms 18360 KB Output is correct
80 Correct 145 ms 18336 KB Output is correct
81 Correct 100 ms 18628 KB Output is correct
82 Correct 114 ms 18444 KB Output is correct
83 Correct 154 ms 24400 KB Output is correct
84 Correct 162 ms 27088 KB Output is correct
85 Correct 153 ms 26604 KB Output is correct
86 Correct 171 ms 19892 KB Output is correct
87 Correct 132 ms 19256 KB Output is correct
88 Correct 164 ms 19648 KB Output is correct
89 Correct 200 ms 19680 KB Output is correct
90 Correct 119 ms 19360 KB Output is correct
91 Correct 140 ms 19720 KB Output is correct
92 Correct 164 ms 20024 KB Output is correct
93 Correct 168 ms 23044 KB Output is correct
94 Correct 129 ms 25148 KB Output is correct
95 Correct 122 ms 23492 KB Output is correct
96 Correct 172 ms 21376 KB Output is correct
97 Correct 128 ms 19456 KB Output is correct
98 Correct 130 ms 18896 KB Output is correct
99 Correct 160 ms 18800 KB Output is correct
100 Correct 187 ms 22516 KB Output is correct
101 Correct 166 ms 20088 KB Output is correct
102 Correct 179 ms 19132 KB Output is correct
103 Correct 172 ms 18904 KB Output is correct
104 Correct 114 ms 19132 KB Output is correct
105 Correct 185 ms 29600 KB Output is correct
106 Correct 102 ms 19008 KB Output is correct
107 Correct 94 ms 18992 KB Output is correct
108 Correct 204 ms 34328 KB Output is correct
109 Correct 105 ms 19132 KB Output is correct
110 Correct 216 ms 34760 KB Output is correct
111 Correct 156 ms 18292 KB Output is correct