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답안 #311836

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
311836 2020-10-11T21:07:57 Z sofapuden Power Plant (JOI20_power) C++14
100 / 100
 392 ms 25864 KB 
#include <bits/stdc++.h>

using namespace std;

vector<vector<int>> gra;
string s;int n;

pair<int,int> dfs(int x, int p){
	int boff = (s[x] == '1'), bon = (s[x] == '1');
	int su = 0;
	for(auto i : gra[x]){
		if(i == p)continue;
		auto now = dfs(i,x);
		boff = max({boff,now.first,now.second+(s[x] == '1')});
		su+=now.second;
	}
	bon = max(bon,su-(s[x] == '1'));
	boff = max(boff,bon);
	return {boff,bon};
}
	

int main(){
	cin >> n;
	gra.resize(n);
	for(int i = 0; i < n-1; ++i){
		int a, b; cin >> a >> b;
		a--; b--;
		gra[a].push_back(b);
		gra[b].push_back(a);
	}
	cin >> s;
	cout << dfs(0,0).first << "\n";
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 416 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 416 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 3 ms 512 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 3 ms 512 KB Output is correct
29 Correct 3 ms 512 KB Output is correct
30 Correct 3 ms 512 KB Output is correct
31 Correct 3 ms 512 KB Output is correct
32 Correct 3 ms 512 KB Output is correct
33 Correct 3 ms 384 KB Output is correct
34 Correct 3 ms 384 KB Output is correct
35 Correct 3 ms 384 KB Output is correct
36 Correct 3 ms 380 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 3 ms 384 KB Output is correct
39 Correct 3 ms 512 KB Output is correct
40 Correct 3 ms 512 KB Output is correct
41 Correct 3 ms 512 KB Output is correct
42 Correct 3 ms 512 KB Output is correct
43 Correct 3 ms 512 KB Output is correct
44 Correct 3 ms 512 KB Output is correct
45 Correct 3 ms 512 KB Output is correct
46 Correct 3 ms 512 KB Output is correct
47 Correct 3 ms 512 KB Output is correct
48 Correct 3 ms 512 KB Output is correct
49 Correct 3 ms 512 KB Output is correct
50 Correct 3 ms 512 KB Output is correct
51 Correct 3 ms 512 KB Output is correct
52 Correct 3 ms 512 KB Output is correct
53 Correct 3 ms 512 KB Output is correct
54 Correct 3 ms 512 KB Output is correct
55 Correct 3 ms 512 KB Output is correct
56 Correct 3 ms 512 KB Output is correct
57 Correct 3 ms 640 KB Output is correct
58 Correct 3 ms 532 KB Output is correct
59 Correct 3 ms 512 KB Output is correct
60 Correct 3 ms 512 KB Output is correct
61 Correct 3 ms 512 KB Output is correct
62 Correct 3 ms 512 KB Output is correct
63 Correct 3 ms 384 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 416 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 3 ms 512 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 3 ms 512 KB Output is correct
29 Correct 3 ms 512 KB Output is correct
30 Correct 3 ms 512 KB Output is correct
31 Correct 3 ms 512 KB Output is correct
32 Correct 3 ms 512 KB Output is correct
33 Correct 3 ms 384 KB Output is correct
34 Correct 3 ms 384 KB Output is correct
35 Correct 3 ms 384 KB Output is correct
36 Correct 3 ms 380 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 3 ms 384 KB Output is correct
39 Correct 3 ms 512 KB Output is correct
40 Correct 3 ms 512 KB Output is correct
41 Correct 3 ms 512 KB Output is correct
42 Correct 3 ms 512 KB Output is correct
43 Correct 3 ms 512 KB Output is correct
44 Correct 3 ms 512 KB Output is correct
45 Correct 3 ms 512 KB Output is correct
46 Correct 3 ms 512 KB Output is correct
47 Correct 3 ms 512 KB Output is correct
48 Correct 3 ms 512 KB Output is correct
49 Correct 3 ms 512 KB Output is correct
50 Correct 3 ms 512 KB Output is correct
51 Correct 3 ms 512 KB Output is correct
52 Correct 3 ms 512 KB Output is correct
53 Correct 3 ms 512 KB Output is correct
54 Correct 3 ms 512 KB Output is correct
55 Correct 3 ms 512 KB Output is correct
56 Correct 3 ms 512 KB Output is correct
57 Correct 3 ms 640 KB Output is correct
58 Correct 3 ms 532 KB Output is correct
59 Correct 3 ms 512 KB Output is correct
60 Correct 3 ms 512 KB Output is correct
61 Correct 3 ms 512 KB Output is correct
62 Correct 3 ms 512 KB Output is correct
63 Correct 3 ms 384 KB Output is correct
64 Correct 363 ms 12280 KB Output is correct
65 Correct 370 ms 12280 KB Output is correct
66 Correct 372 ms 12292 KB Output is correct
67 Correct 363 ms 12296 KB Output is correct
68 Correct 363 ms 12280 KB Output is correct
69 Correct 364 ms 12280 KB Output is correct
70 Correct 367 ms 12352 KB Output is correct
71 Correct 368 ms 12280 KB Output is correct
72 Correct 367 ms 12308 KB Output is correct
73 Correct 392 ms 24956 KB Output is correct
74 Correct 386 ms 24740 KB Output is correct
75 Correct 364 ms 12328 KB Output is correct
76 Correct 364 ms 12168 KB Output is correct
77 Correct 373 ms 12296 KB Output is correct
78 Correct 367 ms 12168 KB Output is correct
79 Correct 374 ms 12168 KB Output is correct
80 Correct 369 ms 12196 KB Output is correct
81 Correct 338 ms 12656 KB Output is correct
82 Correct 352 ms 12532 KB Output is correct
83 Correct 380 ms 17284 KB Output is correct
84 Correct 376 ms 19536 KB Output is correct
85 Correct 381 ms 19080 KB Output is correct
86 Correct 374 ms 13832 KB Output is correct
87 Correct 374 ms 12936 KB Output is correct
88 Correct 355 ms 13448 KB Output is correct
89 Correct 383 ms 13588 KB Output is correct
90 Correct 349 ms 13392 KB Output is correct
91 Correct 349 ms 13448 KB Output is correct
92 Correct 352 ms 13832 KB Output is correct
93 Correct 342 ms 16260 KB Output is correct
94 Correct 354 ms 18180 KB Output is correct
95 Correct 346 ms 16772 KB Output is correct
96 Correct 350 ms 14724 KB Output is correct
97 Correct 342 ms 13320 KB Output is correct
98 Correct 351 ms 12808 KB Output is correct
99 Correct 361 ms 12552 KB Output is correct
100 Correct 353 ms 15752 KB Output is correct
101 Correct 358 ms 13704 KB Output is correct
102 Correct 362 ms 12992 KB Output is correct
103 Correct 358 ms 12808 KB Output is correct
104 Correct 299 ms 13036 KB Output is correct
105 Correct 377 ms 21640 KB Output is correct
106 Correct 288 ms 13036 KB Output is correct
107 Correct 284 ms 13036 KB Output is correct
108 Correct 383 ms 25612 KB Output is correct
109 Correct 299 ms 13036 KB Output is correct
110 Correct 379 ms 25864 KB Output is correct
111 Correct 348 ms 12152 KB Output is correct