#include <iostream>
#include <vector>
#include <tuple>
#include <queue>
#include <stack>
#include <deque>
#include <set>
#include <map>
#include <cmath>
#include <random>
#include <string>
#include <bitset>
#include <cassert>
#include <climits>
#include <algorithm>
#include <unordered_set>
#include <unordered_map>
using namespace std;
#define ll long long
#define f first
#define s second
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template<typename A> void __print(const A &x);
template<typename A, typename B> void __print(const pair<A, B> &p);
template<typename... A> void __print(const tuple<A...> &t);
template<typename T> void __print(stack<T> s);
template<typename T> void __print(queue<T> q);
template<typename T, typename... U> void __print(priority_queue<T, U...> q);
template<typename A> void __print(const A &x) {
bool first = true;
cerr << '{';
for (const auto &i : x) {
cerr << (first ? "" : ","), __print(i);
first = false;
}
cerr << '}';
}
template<typename A, typename B> void __print(const pair<A, B> &p) {
cerr << '(';
__print(p.f);
cerr << ',';
__print(p.s);
cerr << ')';
}
template<typename... A> void __print(const tuple<A...> &t) {
bool first = true;
cerr << '(';
apply([&first] (const auto &...args) { ((cerr << (first ? "" : ","), __print(args), first = false), ...); }, t);
cerr << ')';
}
template<typename T> void __print(stack<T> s) {
vector<T> debugVector;
while (!s.empty()) {
T t = s.top();
debugVector.push_back(t);
s.pop();
}
reverse(debugVector.begin(), debugVector.end());
__print(debugVector);
}
template<typename T> void __print(queue<T> q) {
vector<T> debugVector;
while (!q.empty()) {
T t = q.front();
debugVector.push_back(t);
q.pop();
}
__print(debugVector);
}
template<typename T, typename... U> void __print(priority_queue<T, U...> q) {
vector<T> debugVector;
while (!q.empty()) {
T t = q.top();
debugVector.push_back(t);
q.pop();
}
__print(debugVector);
}
void _print() { cerr << "]\n"; }
template <typename Head, typename... Tail> void _print(const Head &H, const Tail &...T) {
__print(H);
if (sizeof...(T)) cerr << ", ";
_print(T...);
}
#ifdef DEBUG
#define D(...) cerr << "Line: " << __LINE__ << " [" << #__VA_ARGS__ << "] = ["; _print(__VA_ARGS__)
#else
#define D(...)
#endif
int n, dp[200005], ans;
vector<int> adj[200005];
string s;
void dfs(int curr, int par) {
if (s[curr - 1] == '1') {
int tmp = 0;
for (int i : adj[curr]) {
if (i == par) continue;
dfs(i, curr);
dp[curr] += dp[i];
tmp = max(dp[i] + 1, tmp);
}
ans = max(ans, tmp);
dp[curr]--;
if (dp[curr] < 1) dp[curr] = 1;
} else {
for (int i : adj[curr]) {
if (i == par) continue;
dfs(i, curr);
dp[curr] += dp[i];
}
}
ans = max(dp[curr], ans);
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n;
for (int i = 0, a, b; i < n - 1; i++) {
cin >> a >> b;
adj[a].push_back(b);
adj[b].push_back(a);
}
cin >> s;
dfs(1, -1);
cout << ans << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
2 ms |
5032 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
5024 KB |
Output is correct |
9 |
Correct |
2 ms |
4948 KB |
Output is correct |
10 |
Correct |
4 ms |
5064 KB |
Output is correct |
11 |
Correct |
2 ms |
4948 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
2 ms |
5028 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
2 ms |
4948 KB |
Output is correct |
18 |
Correct |
2 ms |
5024 KB |
Output is correct |
19 |
Correct |
2 ms |
4948 KB |
Output is correct |
20 |
Correct |
2 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
2 ms |
5032 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
5024 KB |
Output is correct |
9 |
Correct |
2 ms |
4948 KB |
Output is correct |
10 |
Correct |
4 ms |
5064 KB |
Output is correct |
11 |
Correct |
2 ms |
4948 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
2 ms |
5028 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
2 ms |
4948 KB |
Output is correct |
18 |
Correct |
2 ms |
5024 KB |
Output is correct |
19 |
Correct |
2 ms |
4948 KB |
Output is correct |
20 |
Correct |
2 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4948 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
3 ms |
5076 KB |
Output is correct |
24 |
Correct |
3 ms |
5036 KB |
Output is correct |
25 |
Correct |
3 ms |
5076 KB |
Output is correct |
26 |
Correct |
3 ms |
5076 KB |
Output is correct |
27 |
Correct |
3 ms |
5076 KB |
Output is correct |
28 |
Correct |
3 ms |
5048 KB |
Output is correct |
29 |
Correct |
3 ms |
5156 KB |
Output is correct |
30 |
Correct |
4 ms |
5076 KB |
Output is correct |
31 |
Correct |
3 ms |
5076 KB |
Output is correct |
32 |
Correct |
3 ms |
5036 KB |
Output is correct |
33 |
Correct |
3 ms |
5040 KB |
Output is correct |
34 |
Correct |
3 ms |
5072 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
3 ms |
5076 KB |
Output is correct |
37 |
Correct |
3 ms |
5076 KB |
Output is correct |
38 |
Correct |
4 ms |
5076 KB |
Output is correct |
39 |
Correct |
3 ms |
5076 KB |
Output is correct |
40 |
Correct |
3 ms |
5076 KB |
Output is correct |
41 |
Correct |
3 ms |
5076 KB |
Output is correct |
42 |
Correct |
3 ms |
5076 KB |
Output is correct |
43 |
Correct |
3 ms |
5076 KB |
Output is correct |
44 |
Correct |
3 ms |
5076 KB |
Output is correct |
45 |
Correct |
3 ms |
5076 KB |
Output is correct |
46 |
Correct |
3 ms |
5048 KB |
Output is correct |
47 |
Correct |
3 ms |
5076 KB |
Output is correct |
48 |
Correct |
3 ms |
5076 KB |
Output is correct |
49 |
Correct |
3 ms |
5076 KB |
Output is correct |
50 |
Correct |
3 ms |
5076 KB |
Output is correct |
51 |
Correct |
3 ms |
5036 KB |
Output is correct |
52 |
Correct |
3 ms |
5076 KB |
Output is correct |
53 |
Correct |
3 ms |
5036 KB |
Output is correct |
54 |
Correct |
3 ms |
5076 KB |
Output is correct |
55 |
Correct |
3 ms |
5076 KB |
Output is correct |
56 |
Correct |
3 ms |
5076 KB |
Output is correct |
57 |
Correct |
3 ms |
5204 KB |
Output is correct |
58 |
Correct |
2 ms |
5076 KB |
Output is correct |
59 |
Correct |
3 ms |
5076 KB |
Output is correct |
60 |
Correct |
3 ms |
5096 KB |
Output is correct |
61 |
Correct |
3 ms |
5032 KB |
Output is correct |
62 |
Correct |
3 ms |
5204 KB |
Output is correct |
63 |
Correct |
3 ms |
5076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
2 ms |
5032 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
5024 KB |
Output is correct |
9 |
Correct |
2 ms |
4948 KB |
Output is correct |
10 |
Correct |
4 ms |
5064 KB |
Output is correct |
11 |
Correct |
2 ms |
4948 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
2 ms |
5028 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
2 ms |
4948 KB |
Output is correct |
18 |
Correct |
2 ms |
5024 KB |
Output is correct |
19 |
Correct |
2 ms |
4948 KB |
Output is correct |
20 |
Correct |
2 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4948 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
3 ms |
5076 KB |
Output is correct |
24 |
Correct |
3 ms |
5036 KB |
Output is correct |
25 |
Correct |
3 ms |
5076 KB |
Output is correct |
26 |
Correct |
3 ms |
5076 KB |
Output is correct |
27 |
Correct |
3 ms |
5076 KB |
Output is correct |
28 |
Correct |
3 ms |
5048 KB |
Output is correct |
29 |
Correct |
3 ms |
5156 KB |
Output is correct |
30 |
Correct |
4 ms |
5076 KB |
Output is correct |
31 |
Correct |
3 ms |
5076 KB |
Output is correct |
32 |
Correct |
3 ms |
5036 KB |
Output is correct |
33 |
Correct |
3 ms |
5040 KB |
Output is correct |
34 |
Correct |
3 ms |
5072 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
3 ms |
5076 KB |
Output is correct |
37 |
Correct |
3 ms |
5076 KB |
Output is correct |
38 |
Correct |
4 ms |
5076 KB |
Output is correct |
39 |
Correct |
3 ms |
5076 KB |
Output is correct |
40 |
Correct |
3 ms |
5076 KB |
Output is correct |
41 |
Correct |
3 ms |
5076 KB |
Output is correct |
42 |
Correct |
3 ms |
5076 KB |
Output is correct |
43 |
Correct |
3 ms |
5076 KB |
Output is correct |
44 |
Correct |
3 ms |
5076 KB |
Output is correct |
45 |
Correct |
3 ms |
5076 KB |
Output is correct |
46 |
Correct |
3 ms |
5048 KB |
Output is correct |
47 |
Correct |
3 ms |
5076 KB |
Output is correct |
48 |
Correct |
3 ms |
5076 KB |
Output is correct |
49 |
Correct |
3 ms |
5076 KB |
Output is correct |
50 |
Correct |
3 ms |
5076 KB |
Output is correct |
51 |
Correct |
3 ms |
5036 KB |
Output is correct |
52 |
Correct |
3 ms |
5076 KB |
Output is correct |
53 |
Correct |
3 ms |
5036 KB |
Output is correct |
54 |
Correct |
3 ms |
5076 KB |
Output is correct |
55 |
Correct |
3 ms |
5076 KB |
Output is correct |
56 |
Correct |
3 ms |
5076 KB |
Output is correct |
57 |
Correct |
3 ms |
5204 KB |
Output is correct |
58 |
Correct |
2 ms |
5076 KB |
Output is correct |
59 |
Correct |
3 ms |
5076 KB |
Output is correct |
60 |
Correct |
3 ms |
5096 KB |
Output is correct |
61 |
Correct |
3 ms |
5032 KB |
Output is correct |
62 |
Correct |
3 ms |
5204 KB |
Output is correct |
63 |
Correct |
3 ms |
5076 KB |
Output is correct |
64 |
Correct |
120 ms |
15128 KB |
Output is correct |
65 |
Correct |
78 ms |
15180 KB |
Output is correct |
66 |
Correct |
70 ms |
15208 KB |
Output is correct |
67 |
Correct |
67 ms |
15116 KB |
Output is correct |
68 |
Correct |
64 ms |
15184 KB |
Output is correct |
69 |
Correct |
81 ms |
15088 KB |
Output is correct |
70 |
Correct |
86 ms |
15120 KB |
Output is correct |
71 |
Correct |
82 ms |
15208 KB |
Output is correct |
72 |
Correct |
88 ms |
15208 KB |
Output is correct |
73 |
Correct |
102 ms |
27720 KB |
Output is correct |
74 |
Correct |
103 ms |
27752 KB |
Output is correct |
75 |
Correct |
98 ms |
15012 KB |
Output is correct |
76 |
Correct |
106 ms |
15064 KB |
Output is correct |
77 |
Correct |
85 ms |
14980 KB |
Output is correct |
78 |
Correct |
62 ms |
14988 KB |
Output is correct |
79 |
Correct |
69 ms |
15080 KB |
Output is correct |
80 |
Correct |
84 ms |
14976 KB |
Output is correct |
81 |
Correct |
84 ms |
15532 KB |
Output is correct |
82 |
Correct |
88 ms |
15332 KB |
Output is correct |
83 |
Correct |
79 ms |
20212 KB |
Output is correct |
84 |
Correct |
106 ms |
22340 KB |
Output is correct |
85 |
Correct |
77 ms |
22100 KB |
Output is correct |
86 |
Correct |
82 ms |
16528 KB |
Output is correct |
87 |
Correct |
87 ms |
15956 KB |
Output is correct |
88 |
Correct |
88 ms |
16336 KB |
Output is correct |
89 |
Correct |
93 ms |
16404 KB |
Output is correct |
90 |
Correct |
78 ms |
16192 KB |
Output is correct |
91 |
Correct |
77 ms |
16404 KB |
Output is correct |
92 |
Correct |
70 ms |
16672 KB |
Output is correct |
93 |
Correct |
66 ms |
19024 KB |
Output is correct |
94 |
Correct |
76 ms |
20880 KB |
Output is correct |
95 |
Correct |
64 ms |
19532 KB |
Output is correct |
96 |
Correct |
71 ms |
17728 KB |
Output is correct |
97 |
Correct |
81 ms |
16180 KB |
Output is correct |
98 |
Correct |
76 ms |
15720 KB |
Output is correct |
99 |
Correct |
83 ms |
15496 KB |
Output is correct |
100 |
Correct |
92 ms |
18708 KB |
Output is correct |
101 |
Correct |
84 ms |
16616 KB |
Output is correct |
102 |
Correct |
70 ms |
15884 KB |
Output is correct |
103 |
Correct |
100 ms |
15752 KB |
Output is correct |
104 |
Correct |
51 ms |
15228 KB |
Output is correct |
105 |
Correct |
102 ms |
24628 KB |
Output is correct |
106 |
Correct |
52 ms |
15880 KB |
Output is correct |
107 |
Correct |
46 ms |
15916 KB |
Output is correct |
108 |
Correct |
86 ms |
28500 KB |
Output is correct |
109 |
Correct |
63 ms |
15224 KB |
Output is correct |
110 |
Correct |
103 ms |
28800 KB |
Output is correct |
111 |
Correct |
63 ms |
15060 KB |
Output is correct |