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답안 #796128

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
796128 2023-07-28T06:45:57 Z 박영우(#10072) Security Guard (JOI23_guard) C++17
37 / 100
 916 ms 1048576 KB 
#include <bits/stdc++.h>
#include <cassert>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 301010
#define MAXS 20
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
vector<int> adj[MAX];
ll C[MAX];
ll dp[MAX];
ll rem[MAX];
ll ans = 0;
void dfs(int x, int p = 0) {
	for (auto v : adj[x]) {
		if (v == p) continue;
		ans += C[x];
		if (C[x] + rem[x] < C[v]) {
			rem[v] = 0;
			dp[v] = dp[x] + C[v] - C[x] - rem[x];
		}
		else {
			rem[v] = rem[x] - C[v] + C[x];
			dp[v] = dp[x];
		}
		dfs(v, x);
	}
}
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int N, M, Q;
	cin >> N >> M >> Q;
	int i;
	for (i = 1; i <= N; i++) cin >> C[i];
	int a, b;
	for (i = 1; i < N; i++) {
		cin >> a >> b;
		adj[a].push_back(b);
		adj[b].push_back(a);
	}
	dfs(1, 0);
	ll mx = 0;
	for (i = 1; i <= N; i++) mx = max(mx, dp[i]);
	cout << ans + mx << ln;
}

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 60 ms 37092 KB Output is correct
3 Correct 59 ms 37016 KB Output is correct
4 Correct 62 ms 37128 KB Output is correct
5 Correct 62 ms 37032 KB Output is correct
6 Correct 59 ms 37008 KB Output is correct
7 Correct 59 ms 37056 KB Output is correct
8 Correct 3 ms 7380 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 60 ms 37092 KB Output is correct
3 Correct 59 ms 37016 KB Output is correct
4 Correct 62 ms 37128 KB Output is correct
5 Correct 62 ms 37032 KB Output is correct
6 Correct 59 ms 37008 KB Output is correct
7 Correct 59 ms 37056 KB Output is correct
8 Correct 3 ms 7380 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 65 ms 37096 KB Output is correct
11 Correct 66 ms 37068 KB Output is correct
12 Correct 74 ms 37220 KB Output is correct
13 Correct 65 ms 37124 KB Output is correct
14 Correct 83 ms 37120 KB Output is correct
15 Correct 79 ms 37084 KB Output is correct
16 Correct 63 ms 37036 KB Output is correct
17 Correct 67 ms 37104 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 60 ms 37092 KB Output is correct
3 Correct 59 ms 37016 KB Output is correct
4 Correct 62 ms 37128 KB Output is correct
5 Correct 62 ms 37032 KB Output is correct
6 Correct 59 ms 37008 KB Output is correct
7 Correct 59 ms 37056 KB Output is correct
8 Correct 3 ms 7380 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 65 ms 37096 KB Output is correct
11 Correct 66 ms 37068 KB Output is correct
12 Correct 74 ms 37220 KB Output is correct
13 Correct 65 ms 37124 KB Output is correct
14 Correct 83 ms 37120 KB Output is correct
15 Correct 79 ms 37084 KB Output is correct
16 Correct 63 ms 37036 KB Output is correct
17 Correct 67 ms 37104 KB Output is correct
18 Correct 3 ms 7380 KB Output is correct
19 Correct 109 ms 30056 KB Output is correct
20 Correct 120 ms 25532 KB Output is correct
21 Correct 80 ms 18424 KB Output is correct
22 Correct 104 ms 18560 KB Output is correct
23 Correct 86 ms 19172 KB Output is correct
24 Correct 74 ms 19312 KB Output is correct
25 Correct 78 ms 19060 KB Output is correct
26 Correct 79 ms 19036 KB Output is correct
27 Correct 65 ms 19128 KB Output is correct
28 Correct 115 ms 31772 KB Output is correct
29 Correct 104 ms 27368 KB Output is correct
30 Correct 84 ms 21732 KB Output is correct
31 Correct 67 ms 19012 KB Output is correct
32 Correct 109 ms 18704 KB Output is correct
33 Correct 107 ms 18324 KB Output is correct
34 Correct 114 ms 18392 KB Output is correct
35 Correct 109 ms 19260 KB Output is correct
36 Correct 87 ms 19408 KB Output is correct
37 Correct 99 ms 19348 KB Output is correct
38 Correct 120 ms 25120 KB Output is correct
39 Correct 152 ms 28132 KB Output is correct
40 Correct 103 ms 22332 KB Output is correct
41 Correct 111 ms 36100 KB Output is correct
42 Correct 160 ms 36536 KB Output is correct
43 Correct 97 ms 18540 KB Output is correct
44 Correct 94 ms 18452 KB Output is correct
45 Correct 99 ms 18588 KB Output is correct
46 Correct 85 ms 18452 KB Output is correct
47 Correct 137 ms 18544 KB Output is correct
48 Correct 126 ms 18564 KB Output is correct
49 Correct 112 ms 18560 KB Output is correct
50 Correct 84 ms 18472 KB Output is correct
51 Correct 88 ms 18556 KB Output is correct
52 Correct 77 ms 18512 KB Output is correct

Subtask #4
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 60 ms 37092 KB Output is correct
3 Correct 59 ms 37016 KB Output is correct
4 Correct 62 ms 37128 KB Output is correct
5 Correct 62 ms 37032 KB Output is correct
6 Correct 59 ms 37008 KB Output is correct
7 Correct 59 ms 37056 KB Output is correct
8 Correct 3 ms 7380 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 65 ms 37096 KB Output is correct
11 Correct 66 ms 37068 KB Output is correct
12 Correct 74 ms 37220 KB Output is correct
13 Correct 65 ms 37124 KB Output is correct
14 Correct 83 ms 37120 KB Output is correct
15 Correct 79 ms 37084 KB Output is correct
16 Correct 63 ms 37036 KB Output is correct
17 Correct 67 ms 37104 KB Output is correct
18 Correct 3 ms 7380 KB Output is correct
19 Correct 109 ms 30056 KB Output is correct
20 Correct 120 ms 25532 KB Output is correct
21 Correct 80 ms 18424 KB Output is correct
22 Correct 104 ms 18560 KB Output is correct
23 Correct 86 ms 19172 KB Output is correct
24 Correct 74 ms 19312 KB Output is correct
25 Correct 78 ms 19060 KB Output is correct
26 Correct 79 ms 19036 KB Output is correct
27 Correct 65 ms 19128 KB Output is correct
28 Correct 115 ms 31772 KB Output is correct
29 Correct 104 ms 27368 KB Output is correct
30 Correct 84 ms 21732 KB Output is correct
31 Correct 67 ms 19012 KB Output is correct
32 Correct 109 ms 18704 KB Output is correct
33 Correct 107 ms 18324 KB Output is correct
34 Correct 114 ms 18392 KB Output is correct
35 Correct 109 ms 19260 KB Output is correct
36 Correct 87 ms 19408 KB Output is correct
37 Correct 99 ms 19348 KB Output is correct
38 Correct 120 ms 25120 KB Output is correct
39 Correct 152 ms 28132 KB Output is correct
40 Correct 103 ms 22332 KB Output is correct
41 Correct 111 ms 36100 KB Output is correct
42 Correct 160 ms 36536 KB Output is correct
43 Correct 97 ms 18540 KB Output is correct
44 Correct 94 ms 18452 KB Output is correct
45 Correct 99 ms 18588 KB Output is correct
46 Correct 85 ms 18452 KB Output is correct
47 Correct 137 ms 18544 KB Output is correct
48 Correct 126 ms 18564 KB Output is correct
49 Correct 112 ms 18560 KB Output is correct
50 Correct 84 ms 18472 KB Output is correct
51 Correct 88 ms 18556 KB Output is correct
52 Correct 77 ms 18512 KB Output is correct
53 Correct 3 ms 7380 KB Output is correct
54 Runtime error 916 ms 1048576 KB Execution killed with signal 9
55 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 7380 KB Output is correct
2 Incorrect 5 ms 7300 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 7380 KB Output is correct
2 Incorrect 5 ms 7300 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 60 ms 37092 KB Output is correct
3 Correct 59 ms 37016 KB Output is correct
4 Correct 62 ms 37128 KB Output is correct
5 Correct 62 ms 37032 KB Output is correct
6 Correct 59 ms 37008 KB Output is correct
7 Correct 59 ms 37056 KB Output is correct
8 Correct 3 ms 7380 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 65 ms 37096 KB Output is correct
11 Correct 66 ms 37068 KB Output is correct
12 Correct 74 ms 37220 KB Output is correct
13 Correct 65 ms 37124 KB Output is correct
14 Correct 83 ms 37120 KB Output is correct
15 Correct 79 ms 37084 KB Output is correct
16 Correct 63 ms 37036 KB Output is correct
17 Correct 67 ms 37104 KB Output is correct
18 Correct 3 ms 7380 KB Output is correct
19 Correct 109 ms 30056 KB Output is correct
20 Correct 120 ms 25532 KB Output is correct
21 Correct 80 ms 18424 KB Output is correct
22 Correct 104 ms 18560 KB Output is correct
23 Correct 86 ms 19172 KB Output is correct
24 Correct 74 ms 19312 KB Output is correct
25 Correct 78 ms 19060 KB Output is correct
26 Correct 79 ms 19036 KB Output is correct
27 Correct 65 ms 19128 KB Output is correct
28 Correct 115 ms 31772 KB Output is correct
29 Correct 104 ms 27368 KB Output is correct
30 Correct 84 ms 21732 KB Output is correct
31 Correct 67 ms 19012 KB Output is correct
32 Correct 109 ms 18704 KB Output is correct
33 Correct 107 ms 18324 KB Output is correct
34 Correct 114 ms 18392 KB Output is correct
35 Correct 109 ms 19260 KB Output is correct
36 Correct 87 ms 19408 KB Output is correct
37 Correct 99 ms 19348 KB Output is correct
38 Correct 120 ms 25120 KB Output is correct
39 Correct 152 ms 28132 KB Output is correct
40 Correct 103 ms 22332 KB Output is correct
41 Correct 111 ms 36100 KB Output is correct
42 Correct 160 ms 36536 KB Output is correct
43 Correct 97 ms 18540 KB Output is correct
44 Correct 94 ms 18452 KB Output is correct
45 Correct 99 ms 18588 KB Output is correct
46 Correct 85 ms 18452 KB Output is correct
47 Correct 137 ms 18544 KB Output is correct
48 Correct 126 ms 18564 KB Output is correct
49 Correct 112 ms 18560 KB Output is correct
50 Correct 84 ms 18472 KB Output is correct
51 Correct 88 ms 18556 KB Output is correct
52 Correct 77 ms 18512 KB Output is correct
53 Correct 3 ms 7380 KB Output is correct
54 Runtime error 916 ms 1048576 KB Execution killed with signal 9
55 Halted 0 ms 0 KB -