답안 #369422

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
369422	2021-02-21T16:22:57 Z	jhnah917	Power Plant (JOI20_power)	C++14	100 / 100	196 ms	26988 KB

power

/******************************
Author: jhnah917(Justice_Hui)
g++ -std=c++17 -DLOCAL
******************************/

#include <bits/stdc++.h>
#define x first
#define y second
#define all(v) v.begin(), v.end()
#define compress(v) sort(all(v)), v.erase(unique(all(v)), v.end())
#define IDX(v, x) lower_bound(all(v), x) - v.begin()
using namespace std;

using uint = unsigned;
using ll = long long;
using ull = unsigned long long;

int N, R;
bool S[202020];
vector<int> G[202020];

int DFS(int v, int b){
    int t1 = 0, t2 = S[v];
    for(const auto &i : G[v]){
        if(i == b) continue;
        int t = DFS(i, v);
        t1 += t; t2 = max(t2, t + S[v]);
    }
    t1 = max<int>(S[v], t1 - S[v]);
    R = max({R, t1, t2});
    return t1;
}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    cin >> N;
    for(int i=1; i<N; i++){
        int s, e; cin >> s >> e;
        G[s].push_back(e); G[e].push_back(s);
    }
    for(int i=1; i<=N; i++){ char c; cin >> c; S[i] = c == '1'; }
    DFS(1, -1);
    cout << R;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	5100 KB	Output is correct
2	Correct	4 ms	5100 KB	Output is correct
3	Correct	3 ms	5100 KB	Output is correct
4	Correct	3 ms	5100 KB	Output is correct
5	Correct	4 ms	5100 KB	Output is correct
6	Correct	4 ms	5100 KB	Output is correct
7	Correct	4 ms	5100 KB	Output is correct
8	Correct	4 ms	5100 KB	Output is correct
9	Correct	3 ms	5100 KB	Output is correct
10	Correct	4 ms	5100 KB	Output is correct
11	Correct	4 ms	5100 KB	Output is correct
12	Correct	3 ms	5100 KB	Output is correct
13	Correct	4 ms	5100 KB	Output is correct
14	Correct	4 ms	5228 KB	Output is correct
15	Correct	4 ms	5100 KB	Output is correct
16	Correct	4 ms	5100 KB	Output is correct
17	Correct	3 ms	5100 KB	Output is correct
18	Correct	4 ms	5100 KB	Output is correct
19	Correct	4 ms	5100 KB	Output is correct
20	Correct	3 ms	5100 KB	Output is correct
21	Correct	4 ms	5100 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	5100 KB	Output is correct
2	Correct	4 ms	5100 KB	Output is correct
3	Correct	3 ms	5100 KB	Output is correct
4	Correct	3 ms	5100 KB	Output is correct
5	Correct	4 ms	5100 KB	Output is correct
6	Correct	4 ms	5100 KB	Output is correct
7	Correct	4 ms	5100 KB	Output is correct
8	Correct	4 ms	5100 KB	Output is correct
9	Correct	3 ms	5100 KB	Output is correct
10	Correct	4 ms	5100 KB	Output is correct
11	Correct	4 ms	5100 KB	Output is correct
12	Correct	3 ms	5100 KB	Output is correct
13	Correct	4 ms	5100 KB	Output is correct
14	Correct	4 ms	5228 KB	Output is correct
15	Correct	4 ms	5100 KB	Output is correct
16	Correct	4 ms	5100 KB	Output is correct
17	Correct	3 ms	5100 KB	Output is correct
18	Correct	4 ms	5100 KB	Output is correct
19	Correct	4 ms	5100 KB	Output is correct
20	Correct	3 ms	5100 KB	Output is correct
21	Correct	4 ms	5100 KB	Output is correct
22	Correct	4 ms	5100 KB	Output is correct
23	Correct	4 ms	5100 KB	Output is correct
24	Correct	4 ms	5100 KB	Output is correct
25	Correct	4 ms	5100 KB	Output is correct
26	Correct	4 ms	5100 KB	Output is correct
27	Correct	4 ms	5100 KB	Output is correct
28	Correct	4 ms	5100 KB	Output is correct
29	Correct	4 ms	5228 KB	Output is correct
30	Correct	4 ms	5228 KB	Output is correct
31	Correct	5 ms	5228 KB	Output is correct
32	Correct	5 ms	5228 KB	Output is correct
33	Correct	4 ms	5228 KB	Output is correct
34	Correct	4 ms	5228 KB	Output is correct
35	Correct	5 ms	5228 KB	Output is correct
36	Correct	5 ms	5228 KB	Output is correct
37	Correct	4 ms	5228 KB	Output is correct
38	Correct	4 ms	5228 KB	Output is correct
39	Correct	5 ms	5228 KB	Output is correct
40	Correct	5 ms	5228 KB	Output is correct
41	Correct	5 ms	5228 KB	Output is correct
42	Correct	4 ms	5228 KB	Output is correct
43	Correct	5 ms	5228 KB	Output is correct
44	Correct	4 ms	5228 KB	Output is correct
45	Correct	5 ms	5228 KB	Output is correct
46	Correct	4 ms	5228 KB	Output is correct
47	Correct	5 ms	5228 KB	Output is correct
48	Correct	4 ms	5228 KB	Output is correct
49	Correct	6 ms	5228 KB	Output is correct
50	Correct	4 ms	5228 KB	Output is correct
51	Correct	5 ms	5228 KB	Output is correct
52	Correct	5 ms	5228 KB	Output is correct
53	Correct	5 ms	5228 KB	Output is correct
54	Correct	4 ms	5228 KB	Output is correct
55	Correct	5 ms	5228 KB	Output is correct
56	Correct	4 ms	5228 KB	Output is correct
57	Correct	4 ms	5356 KB	Output is correct
58	Correct	4 ms	5228 KB	Output is correct
59	Correct	4 ms	5228 KB	Output is correct
60	Correct	4 ms	5248 KB	Output is correct
61	Correct	4 ms	5228 KB	Output is correct
62	Correct	5 ms	5228 KB	Output is correct
63	Correct	4 ms	5228 KB	Output is correct

Subtask #3
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	5100 KB	Output is correct
2	Correct	4 ms	5100 KB	Output is correct
3	Correct	3 ms	5100 KB	Output is correct
4	Correct	3 ms	5100 KB	Output is correct
5	Correct	4 ms	5100 KB	Output is correct
6	Correct	4 ms	5100 KB	Output is correct
7	Correct	4 ms	5100 KB	Output is correct
8	Correct	4 ms	5100 KB	Output is correct
9	Correct	3 ms	5100 KB	Output is correct
10	Correct	4 ms	5100 KB	Output is correct
11	Correct	4 ms	5100 KB	Output is correct
12	Correct	3 ms	5100 KB	Output is correct
13	Correct	4 ms	5100 KB	Output is correct
14	Correct	4 ms	5228 KB	Output is correct
15	Correct	4 ms	5100 KB	Output is correct
16	Correct	4 ms	5100 KB	Output is correct
17	Correct	3 ms	5100 KB	Output is correct
18	Correct	4 ms	5100 KB	Output is correct
19	Correct	4 ms	5100 KB	Output is correct
20	Correct	3 ms	5100 KB	Output is correct
21	Correct	4 ms	5100 KB	Output is correct
22	Correct	4 ms	5100 KB	Output is correct
23	Correct	4 ms	5100 KB	Output is correct
24	Correct	4 ms	5100 KB	Output is correct
25	Correct	4 ms	5100 KB	Output is correct
26	Correct	4 ms	5100 KB	Output is correct
27	Correct	4 ms	5100 KB	Output is correct
28	Correct	4 ms	5100 KB	Output is correct
29	Correct	4 ms	5228 KB	Output is correct
30	Correct	4 ms	5228 KB	Output is correct
31	Correct	5 ms	5228 KB	Output is correct
32	Correct	5 ms	5228 KB	Output is correct
33	Correct	4 ms	5228 KB	Output is correct
34	Correct	4 ms	5228 KB	Output is correct
35	Correct	5 ms	5228 KB	Output is correct
36	Correct	5 ms	5228 KB	Output is correct
37	Correct	4 ms	5228 KB	Output is correct
38	Correct	4 ms	5228 KB	Output is correct
39	Correct	5 ms	5228 KB	Output is correct
40	Correct	5 ms	5228 KB	Output is correct
41	Correct	5 ms	5228 KB	Output is correct
42	Correct	4 ms	5228 KB	Output is correct
43	Correct	5 ms	5228 KB	Output is correct
44	Correct	4 ms	5228 KB	Output is correct
45	Correct	5 ms	5228 KB	Output is correct
46	Correct	4 ms	5228 KB	Output is correct
47	Correct	5 ms	5228 KB	Output is correct
48	Correct	4 ms	5228 KB	Output is correct
49	Correct	6 ms	5228 KB	Output is correct
50	Correct	4 ms	5228 KB	Output is correct
51	Correct	5 ms	5228 KB	Output is correct
52	Correct	5 ms	5228 KB	Output is correct
53	Correct	5 ms	5228 KB	Output is correct
54	Correct	4 ms	5228 KB	Output is correct
55	Correct	5 ms	5228 KB	Output is correct
56	Correct	4 ms	5228 KB	Output is correct
57	Correct	4 ms	5356 KB	Output is correct
58	Correct	4 ms	5228 KB	Output is correct
59	Correct	4 ms	5228 KB	Output is correct
60	Correct	4 ms	5248 KB	Output is correct
61	Correct	4 ms	5228 KB	Output is correct
62	Correct	5 ms	5228 KB	Output is correct
63	Correct	4 ms	5228 KB	Output is correct
64	Correct	174 ms	13372 KB	Output is correct
65	Correct	155 ms	13292 KB	Output is correct
66	Correct	160 ms	13420 KB	Output is correct
67	Correct	166 ms	13292 KB	Output is correct
68	Correct	178 ms	13316 KB	Output is correct
69	Correct	170 ms	13420 KB	Output is correct
70	Correct	156 ms	13292 KB	Output is correct
71	Correct	162 ms	13284 KB	Output is correct
72	Correct	167 ms	13292 KB	Output is correct
73	Correct	196 ms	26220 KB	Output is correct
74	Correct	191 ms	25964 KB	Output is correct
75	Correct	171 ms	13164 KB	Output is correct
76	Correct	165 ms	13548 KB	Output is correct
77	Correct	177 ms	13164 KB	Output is correct
78	Correct	168 ms	13164 KB	Output is correct
79	Correct	175 ms	13164 KB	Output is correct
80	Correct	174 ms	13264 KB	Output is correct
81	Correct	126 ms	13540 KB	Output is correct
82	Correct	154 ms	13416 KB	Output is correct
83	Correct	172 ms	18540 KB	Output is correct
84	Correct	167 ms	20588 KB	Output is correct
85	Correct	173 ms	20204 KB	Output is correct
86	Correct	166 ms	14792 KB	Output is correct
87	Correct	158 ms	14188 KB	Output is correct
88	Correct	165 ms	14572 KB	Output is correct
89	Correct	175 ms	14700 KB	Output is correct
90	Correct	160 ms	14316 KB	Output is correct
91	Correct	155 ms	14572 KB	Output is correct
92	Correct	157 ms	14956 KB	Output is correct
93	Correct	152 ms	17384 KB	Output is correct
94	Correct	140 ms	19044 KB	Output is correct
95	Correct	149 ms	17640 KB	Output is correct
96	Correct	149 ms	15980 KB	Output is correct
97	Correct	144 ms	14316 KB	Output is correct
98	Correct	148 ms	13932 KB	Output is correct
99	Correct	164 ms	13676 KB	Output is correct
100	Correct	154 ms	16840 KB	Output is correct
101	Correct	170 ms	14828 KB	Output is correct
102	Correct	140 ms	14112 KB	Output is correct
103	Correct	151 ms	14060 KB	Output is correct
104	Correct	103 ms	14048 KB	Output is correct
105	Correct	192 ms	22764 KB	Output is correct
106	Correct	109 ms	13992 KB	Output is correct
107	Correct	105 ms	14048 KB	Output is correct
108	Correct	192 ms	26860 KB	Output is correct
109	Correct	96 ms	14048 KB	Output is correct
110	Correct	179 ms	26988 KB	Output is correct
111	Correct	164 ms	13164 KB	Output is correct

답안 #369422

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 53.0 / 53.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
53.0 / 53.0