답안 #321402

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
321402	2020-11-12T09:26:30 Z	shaf_wa_nur	Power Plant (JOI20_power)	C++14	100 / 100	194 ms	34400 KB

power

/**
 *    author:  shafwanur010
 *    created: 11/11/2020 10:23:47 PM (Bangladesh Standard Time)
**/
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
  #include "debug.h"
#else
  #define debug(...) 42
#endif

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  vector<vector<int>> g(n + 1);
  for (int i = 0; i < n - 1; i++) {
    int u, v;
    cin >> u >> v;
    g[u].push_back(v);
    g[v].push_back(u);
  }
  string s;
  cin >> s;
  s = '0' + s;
  int ans = 0;
  vector<int> dp(n + 1);
  function<void(int, int)> dfs = [&](int u, int p) {
    int sum = 0;
    for (int v : g[u]) {
      if (v != p) {
        dfs(v, u);
        sum += dp[v];
      }
    }
    dp[u] = max(s[u] - '0', sum - (s[u] - '0'));
    ans = max({ans, dp[u], dp[u] + (s[p] - '0')});
  };
  dfs(1, 0);
  cout << ans << '\n';
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	492 KB	Output is correct
23	Correct	1 ms	492 KB	Output is correct
24	Correct	1 ms	492 KB	Output is correct
25	Correct	1 ms	492 KB	Output is correct
26	Correct	1 ms	492 KB	Output is correct
27	Correct	1 ms	492 KB	Output is correct
28	Correct	1 ms	492 KB	Output is correct
29	Correct	2 ms	620 KB	Output is correct
30	Correct	1 ms	620 KB	Output is correct
31	Correct	1 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	1 ms	492 KB	Output is correct
34	Correct	1 ms	492 KB	Output is correct
35	Correct	1 ms	492 KB	Output is correct
36	Correct	1 ms	492 KB	Output is correct
37	Correct	1 ms	492 KB	Output is correct
38	Correct	2 ms	512 KB	Output is correct
39	Correct	1 ms	492 KB	Output is correct
40	Correct	1 ms	492 KB	Output is correct
41	Correct	1 ms	620 KB	Output is correct
42	Correct	1 ms	620 KB	Output is correct
43	Correct	1 ms	492 KB	Output is correct
44	Correct	1 ms	492 KB	Output is correct
45	Correct	2 ms	512 KB	Output is correct
46	Correct	1 ms	492 KB	Output is correct
47	Correct	1 ms	492 KB	Output is correct
48	Correct	1 ms	620 KB	Output is correct
49	Correct	1 ms	620 KB	Output is correct
50	Correct	1 ms	512 KB	Output is correct
51	Correct	1 ms	492 KB	Output is correct
52	Correct	1 ms	492 KB	Output is correct
53	Correct	1 ms	492 KB	Output is correct
54	Correct	1 ms	492 KB	Output is correct
55	Correct	1 ms	492 KB	Output is correct
56	Correct	1 ms	492 KB	Output is correct
57	Correct	1 ms	620 KB	Output is correct
58	Correct	1 ms	492 KB	Output is correct
59	Correct	1 ms	492 KB	Output is correct
60	Correct	2 ms	620 KB	Output is correct
61	Correct	1 ms	492 KB	Output is correct
62	Correct	1 ms	620 KB	Output is correct
63	Correct	1 ms	492 KB	Output is correct

Subtask #3
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	492 KB	Output is correct
23	Correct	1 ms	492 KB	Output is correct
24	Correct	1 ms	492 KB	Output is correct
25	Correct	1 ms	492 KB	Output is correct
26	Correct	1 ms	492 KB	Output is correct
27	Correct	1 ms	492 KB	Output is correct
28	Correct	1 ms	492 KB	Output is correct
29	Correct	2 ms	620 KB	Output is correct
30	Correct	1 ms	620 KB	Output is correct
31	Correct	1 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	1 ms	492 KB	Output is correct
34	Correct	1 ms	492 KB	Output is correct
35	Correct	1 ms	492 KB	Output is correct
36	Correct	1 ms	492 KB	Output is correct
37	Correct	1 ms	492 KB	Output is correct
38	Correct	2 ms	512 KB	Output is correct
39	Correct	1 ms	492 KB	Output is correct
40	Correct	1 ms	492 KB	Output is correct
41	Correct	1 ms	620 KB	Output is correct
42	Correct	1 ms	620 KB	Output is correct
43	Correct	1 ms	492 KB	Output is correct
44	Correct	1 ms	492 KB	Output is correct
45	Correct	2 ms	512 KB	Output is correct
46	Correct	1 ms	492 KB	Output is correct
47	Correct	1 ms	492 KB	Output is correct
48	Correct	1 ms	620 KB	Output is correct
49	Correct	1 ms	620 KB	Output is correct
50	Correct	1 ms	512 KB	Output is correct
51	Correct	1 ms	492 KB	Output is correct
52	Correct	1 ms	492 KB	Output is correct
53	Correct	1 ms	492 KB	Output is correct
54	Correct	1 ms	492 KB	Output is correct
55	Correct	1 ms	492 KB	Output is correct
56	Correct	1 ms	492 KB	Output is correct
57	Correct	1 ms	620 KB	Output is correct
58	Correct	1 ms	492 KB	Output is correct
59	Correct	1 ms	492 KB	Output is correct
60	Correct	2 ms	620 KB	Output is correct
61	Correct	1 ms	492 KB	Output is correct
62	Correct	1 ms	620 KB	Output is correct
63	Correct	1 ms	492 KB	Output is correct
64	Correct	177 ms	15204 KB	Output is correct
65	Correct	172 ms	15200 KB	Output is correct
66	Correct	178 ms	15308 KB	Output is correct
67	Correct	177 ms	15328 KB	Output is correct
68	Correct	175 ms	15216 KB	Output is correct
69	Correct	171 ms	15192 KB	Output is correct
70	Correct	174 ms	15216 KB	Output is correct
71	Correct	166 ms	15212 KB	Output is correct
72	Correct	174 ms	15196 KB	Output is correct
73	Correct	190 ms	32992 KB	Output is correct
74	Correct	194 ms	32864 KB	Output is correct
75	Correct	169 ms	15068 KB	Output is correct
76	Correct	164 ms	15204 KB	Output is correct
77	Correct	177 ms	15068 KB	Output is correct
78	Correct	171 ms	15068 KB	Output is correct
79	Correct	176 ms	15204 KB	Output is correct
80	Correct	178 ms	15068 KB	Output is correct
81	Correct	141 ms	15580 KB	Output is correct
82	Correct	151 ms	15392 KB	Output is correct
83	Correct	180 ms	22372 KB	Output is correct
84	Correct	178 ms	25452 KB	Output is correct
85	Correct	175 ms	24940 KB	Output is correct
86	Correct	176 ms	17120 KB	Output is correct
87	Correct	166 ms	16348 KB	Output is correct
88	Correct	157 ms	16668 KB	Output is correct
89	Correct	159 ms	16876 KB	Output is correct
90	Correct	156 ms	16448 KB	Output is correct
91	Correct	152 ms	16836 KB	Output is correct
92	Correct	169 ms	17356 KB	Output is correct
93	Correct	143 ms	20784 KB	Output is correct
94	Correct	156 ms	23132 KB	Output is correct
95	Correct	143 ms	21272 KB	Output is correct
96	Correct	159 ms	18856 KB	Output is correct
97	Correct	152 ms	16696 KB	Output is correct
98	Correct	159 ms	15800 KB	Output is correct
99	Correct	159 ms	15580 KB	Output is correct
100	Correct	164 ms	20044 KB	Output is correct
101	Correct	153 ms	17244 KB	Output is correct
102	Correct	161 ms	16300 KB	Output is correct
103	Correct	163 ms	15788 KB	Output is correct
104	Correct	99 ms	16088 KB	Output is correct
105	Correct	194 ms	28512 KB	Output is correct
106	Correct	97 ms	15960 KB	Output is correct
107	Correct	96 ms	15960 KB	Output is correct
108	Correct	186 ms	34016 KB	Output is correct
109	Correct	99 ms	16220 KB	Output is correct
110	Correct	186 ms	34400 KB	Output is correct
111	Correct	155 ms	15084 KB	Output is correct

답안 #321402

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