oj.uz

답안 #345959

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
345959 2021-01-08T17:09:25 Z jacynkaa Power Plant (JOI20_power) C++14
100 / 100
 210 ms 52524 KB 
#include <bits/stdc++.h>
#include <chrono>
#include <math.h>
#pragma GCC optimize("-O3")
using namespace std;
#define endl "\n"
#define mp make_pair
#define st first
#define nd second
#define pii pair<int, int>
#define pb push_back
#define _upgrade ios_base::sync_with_stdio(0), cout.setf(ios::fixed), cout.precision(10), cin.tie(0), cout.tie(0);
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define FWD(i, a, b) for (int i = (a); i < (b); ++i)
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define fwd(i, a, b) for (int i = (a); i < (b); ++i)
#define all(c) (c).begin(), (c).end()
#define sz(X) (int)((X).size())
#ifdef LOCAL
ostream &operator<<(ostream &out, string str) {
   for (char c : str)
      out << c;
   return out;
}
template <class L, class R> ostream &operator<<(ostream &out, pair<L, R> p) { return out << "(" << p.st << ", " << p.nd << ")"; }
template <class T> auto operator<<(ostream &out, T a) -> decltype(a.begin(), out) {
   out << '{';
   for (auto it = a.begin(); it != a.end(); it = next(it))
      out << (it != a.begin() ? ", " : "") << *it;
   return out << '}';
}
void dump() { cerr << "\n"; }
template <class T, class... Ts> void dump(T a, Ts... x) {
   cerr << a << ", ";
   dump(x...);
}
#define debug(...) cerr << "[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__)
#else
#define debug(...)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     \
   {}
#endif

const int MAXN = 1e6;

vector<int> G[MAXN];
string S;
int res = 1;
int n;

int dfs(int x, int p = -1) {
   vector<int> Y;
   for (int y : G[x])
      if (y != p) {
         int a = dfs(y, x);
         if (a > 0)
            Y.push_back(a);
      }
   if (Y.empty())
      return S[x] == '1';

   sort(all(Y));

   int T = max(accumulate(all(Y), 0) - (S[x] == '1'), 1);
   debug(x + 1, Y, T);
   res = max(res, max(T, Y.back() + (S[x] == '1')));
   return T;
}

int32_t main() {
   _upgrade;
   cin >> n;
   rep(i, n - 1) {
      int a, b;
      cin >> a >> b;
      G[--a].push_back(--b);
      G[b].push_back(a);
   }
   cin >> S;
   dfs(0);
   cout << res << endl;
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 16 ms 23788 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 17 ms 23788 KB Output is correct
6 Correct 16 ms 23788 KB Output is correct
7 Correct 16 ms 23788 KB Output is correct
8 Correct 16 ms 23796 KB Output is correct
9 Correct 16 ms 23788 KB Output is correct
10 Correct 16 ms 23808 KB Output is correct
11 Correct 16 ms 23916 KB Output is correct
12 Correct 16 ms 23788 KB Output is correct
13 Correct 17 ms 23788 KB Output is correct
14 Correct 16 ms 23788 KB Output is correct
15 Correct 16 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 16 ms 23788 KB Output is correct
18 Correct 16 ms 23788 KB Output is correct
19 Correct 16 ms 23788 KB Output is correct
20 Correct 16 ms 23788 KB Output is correct
21 Correct 16 ms 23788 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 16 ms 23788 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 17 ms 23788 KB Output is correct
6 Correct 16 ms 23788 KB Output is correct
7 Correct 16 ms 23788 KB Output is correct
8 Correct 16 ms 23796 KB Output is correct
9 Correct 16 ms 23788 KB Output is correct
10 Correct 16 ms 23808 KB Output is correct
11 Correct 16 ms 23916 KB Output is correct
12 Correct 16 ms 23788 KB Output is correct
13 Correct 17 ms 23788 KB Output is correct
14 Correct 16 ms 23788 KB Output is correct
15 Correct 16 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 16 ms 23788 KB Output is correct
18 Correct 16 ms 23788 KB Output is correct
19 Correct 16 ms 23788 KB Output is correct
20 Correct 16 ms 23788 KB Output is correct
21 Correct 16 ms 23788 KB Output is correct
22 Correct 18 ms 23936 KB Output is correct
23 Correct 17 ms 23916 KB Output is correct
24 Correct 17 ms 23916 KB Output is correct
25 Correct 17 ms 23916 KB Output is correct
26 Correct 17 ms 23916 KB Output is correct
27 Correct 17 ms 23916 KB Output is correct
28 Correct 17 ms 23916 KB Output is correct
29 Correct 17 ms 24044 KB Output is correct
30 Correct 17 ms 24044 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 18 ms 23916 KB Output is correct
33 Correct 17 ms 23788 KB Output is correct
34 Correct 17 ms 23916 KB Output is correct
35 Correct 18 ms 23916 KB Output is correct
36 Correct 17 ms 23916 KB Output is correct
37 Correct 17 ms 23916 KB Output is correct
38 Correct 17 ms 23916 KB Output is correct
39 Correct 17 ms 24044 KB Output is correct
40 Correct 17 ms 23916 KB Output is correct
41 Correct 17 ms 24172 KB Output is correct
42 Correct 17 ms 23916 KB Output is correct
43 Correct 17 ms 23916 KB Output is correct
44 Correct 17 ms 23916 KB Output is correct
45 Correct 17 ms 23916 KB Output is correct
46 Correct 17 ms 23916 KB Output is correct
47 Correct 17 ms 23916 KB Output is correct
48 Correct 18 ms 24044 KB Output is correct
49 Correct 17 ms 24044 KB Output is correct
50 Correct 17 ms 23916 KB Output is correct
51 Correct 17 ms 23936 KB Output is correct
52 Correct 17 ms 23916 KB Output is correct
53 Correct 17 ms 23916 KB Output is correct
54 Correct 17 ms 23916 KB Output is correct
55 Correct 17 ms 23916 KB Output is correct
56 Correct 17 ms 23936 KB Output is correct
57 Correct 17 ms 24044 KB Output is correct
58 Correct 18 ms 23916 KB Output is correct
59 Correct 17 ms 23916 KB Output is correct
60 Correct 18 ms 24044 KB Output is correct
61 Correct 17 ms 23916 KB Output is correct
62 Correct 17 ms 24044 KB Output is correct
63 Correct 18 ms 23916 KB Output is correct

Subtask #3
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 16 ms 23788 KB Output is correct
4 Correct 17 ms 23788 KB Output is correct
5 Correct 17 ms 23788 KB Output is correct
6 Correct 16 ms 23788 KB Output is correct
7 Correct 16 ms 23788 KB Output is correct
8 Correct 16 ms 23796 KB Output is correct
9 Correct 16 ms 23788 KB Output is correct
10 Correct 16 ms 23808 KB Output is correct
11 Correct 16 ms 23916 KB Output is correct
12 Correct 16 ms 23788 KB Output is correct
13 Correct 17 ms 23788 KB Output is correct
14 Correct 16 ms 23788 KB Output is correct
15 Correct 16 ms 23788 KB Output is correct
16 Correct 16 ms 23788 KB Output is correct
17 Correct 16 ms 23788 KB Output is correct
18 Correct 16 ms 23788 KB Output is correct
19 Correct 16 ms 23788 KB Output is correct
20 Correct 16 ms 23788 KB Output is correct
21 Correct 16 ms 23788 KB Output is correct
22 Correct 18 ms 23936 KB Output is correct
23 Correct 17 ms 23916 KB Output is correct
24 Correct 17 ms 23916 KB Output is correct
25 Correct 17 ms 23916 KB Output is correct
26 Correct 17 ms 23916 KB Output is correct
27 Correct 17 ms 23916 KB Output is correct
28 Correct 17 ms 23916 KB Output is correct
29 Correct 17 ms 24044 KB Output is correct
30 Correct 17 ms 24044 KB Output is correct
31 Correct 17 ms 23916 KB Output is correct
32 Correct 18 ms 23916 KB Output is correct
33 Correct 17 ms 23788 KB Output is correct
34 Correct 17 ms 23916 KB Output is correct
35 Correct 18 ms 23916 KB Output is correct
36 Correct 17 ms 23916 KB Output is correct
37 Correct 17 ms 23916 KB Output is correct
38 Correct 17 ms 23916 KB Output is correct
39 Correct 17 ms 24044 KB Output is correct
40 Correct 17 ms 23916 KB Output is correct
41 Correct 17 ms 24172 KB Output is correct
42 Correct 17 ms 23916 KB Output is correct
43 Correct 17 ms 23916 KB Output is correct
44 Correct 17 ms 23916 KB Output is correct
45 Correct 17 ms 23916 KB Output is correct
46 Correct 17 ms 23916 KB Output is correct
47 Correct 17 ms 23916 KB Output is correct
48 Correct 18 ms 24044 KB Output is correct
49 Correct 17 ms 24044 KB Output is correct
50 Correct 17 ms 23916 KB Output is correct
51 Correct 17 ms 23936 KB Output is correct
52 Correct 17 ms 23916 KB Output is correct
53 Correct 17 ms 23916 KB Output is correct
54 Correct 17 ms 23916 KB Output is correct
55 Correct 17 ms 23916 KB Output is correct
56 Correct 17 ms 23936 KB Output is correct
57 Correct 17 ms 24044 KB Output is correct
58 Correct 18 ms 23916 KB Output is correct
59 Correct 17 ms 23916 KB Output is correct
60 Correct 18 ms 24044 KB Output is correct
61 Correct 17 ms 23916 KB Output is correct
62 Correct 17 ms 24044 KB Output is correct
63 Correct 18 ms 23916 KB Output is correct
64 Correct 185 ms 33360 KB Output is correct
65 Correct 184 ms 33360 KB Output is correct
66 Correct 185 ms 33348 KB Output is correct
67 Correct 186 ms 33360 KB Output is correct
68 Correct 179 ms 33348 KB Output is correct
69 Correct 176 ms 33484 KB Output is correct
70 Correct 178 ms 33368 KB Output is correct
71 Correct 166 ms 33364 KB Output is correct
72 Correct 174 ms 33484 KB Output is correct
73 Correct 207 ms 50988 KB Output is correct
74 Correct 210 ms 50860 KB Output is correct
75 Correct 187 ms 33356 KB Output is correct
76 Correct 184 ms 33236 KB Output is correct
77 Correct 189 ms 33260 KB Output is correct
78 Correct 188 ms 33356 KB Output is correct
79 Correct 183 ms 33236 KB Output is correct
80 Correct 174 ms 33228 KB Output is correct
81 Correct 153 ms 34404 KB Output is correct
82 Correct 168 ms 33644 KB Output is correct
83 Correct 195 ms 40752 KB Output is correct
84 Correct 201 ms 43704 KB Output is correct
85 Correct 194 ms 43064 KB Output is correct
86 Correct 184 ms 35244 KB Output is correct
87 Correct 181 ms 34344 KB Output is correct
88 Correct 169 ms 34664 KB Output is correct
89 Correct 172 ms 34872 KB Output is correct
90 Correct 171 ms 34444 KB Output is correct
91 Correct 169 ms 34960 KB Output is correct
92 Correct 177 ms 35224 KB Output is correct
93 Correct 168 ms 39036 KB Output is correct
94 Correct 169 ms 41560 KB Output is correct
95 Correct 160 ms 39440 KB Output is correct
96 Correct 168 ms 36760 KB Output is correct
97 Correct 155 ms 34564 KB Output is correct
98 Correct 160 ms 33884 KB Output is correct
99 Correct 181 ms 33684 KB Output is correct
100 Correct 165 ms 38168 KB Output is correct
101 Correct 171 ms 35240 KB Output is correct
102 Correct 162 ms 34172 KB Output is correct
103 Correct 171 ms 33888 KB Output is correct
104 Correct 100 ms 34164 KB Output is correct
105 Correct 198 ms 46508 KB Output is correct
106 Correct 111 ms 35552 KB Output is correct
107 Correct 108 ms 35552 KB Output is correct
108 Correct 210 ms 52268 KB Output is correct
109 Correct 106 ms 34144 KB Output is correct
110 Correct 207 ms 52524 KB Output is correct
111 Correct 176 ms 33236 KB Output is correct