//#pragma optimization_level 3
//#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include<bits/stdc++.h>
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>ordset;
*/
#define fr first
#define sc second
#define vec vector
#define pb push_back
#define pii pair<int, int>
#define forn(x,y) for(int x = 1 ; x <= (int)y ; ++x)
#define all(x) (x).begin(),(x).end()
#define fast cin.tie(0);cout.tie(0);cin.sync_with_stdio(0);cout.sync_with_stdio(0);
using namespace std;
typedef long long ll;
typedef unsigned int uint;
typedef pair<ll,ll> pll;
typedef complex<int> point;
const int nmax = 200005;
const ll linf = 1e18;
const ll mod = 998244353;
const int inf = 1e9+10;
const int sq = 5000;
int n;
char asd[nmax];
int viz[nmax];
vec < int > g[nmax];
int dp[nmax];
int rez;
void cm(int nod , int parent){
int rs = (asd[nod] == '1');
int rs2 = -(asd[nod] == '1');
for(int i : g[nod]){
if(i == parent)continue;
cm(i,nod);
rs2 += dp[i];
rs = max(rs , dp[i] + (asd[nod] == '1'));
}
dp[nod] = rs2;
if(asd[nod] == '1')dp[nod] = max(dp[nod],1);
rez = max(rez , rs2);
rez = max(rez , rs);
}
int main(){
cin >> n;
for(int i = 1; i < n; i++){
int a, b;
cin >> a >> b;
g[a].pb(b);
g[b].pb(a);
}
for(int i = 1; i <= n; i++){
cin >> asd[i];
}
cm(1,0);
cout << rez << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
5004 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
3 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
3 ms |
5004 KB |
Output is correct |
10 |
Correct |
3 ms |
4940 KB |
Output is correct |
11 |
Correct |
3 ms |
4940 KB |
Output is correct |
12 |
Correct |
3 ms |
4940 KB |
Output is correct |
13 |
Correct |
3 ms |
4940 KB |
Output is correct |
14 |
Correct |
3 ms |
4940 KB |
Output is correct |
15 |
Correct |
3 ms |
4940 KB |
Output is correct |
16 |
Correct |
3 ms |
5004 KB |
Output is correct |
17 |
Correct |
3 ms |
5004 KB |
Output is correct |
18 |
Correct |
3 ms |
4920 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Correct |
3 ms |
5008 KB |
Output is correct |
21 |
Correct |
3 ms |
5008 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
5004 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
3 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
3 ms |
5004 KB |
Output is correct |
10 |
Correct |
3 ms |
4940 KB |
Output is correct |
11 |
Correct |
3 ms |
4940 KB |
Output is correct |
12 |
Correct |
3 ms |
4940 KB |
Output is correct |
13 |
Correct |
3 ms |
4940 KB |
Output is correct |
14 |
Correct |
3 ms |
4940 KB |
Output is correct |
15 |
Correct |
3 ms |
4940 KB |
Output is correct |
16 |
Correct |
3 ms |
5004 KB |
Output is correct |
17 |
Correct |
3 ms |
5004 KB |
Output is correct |
18 |
Correct |
3 ms |
4920 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Correct |
3 ms |
5008 KB |
Output is correct |
21 |
Correct |
3 ms |
5008 KB |
Output is correct |
22 |
Correct |
4 ms |
5068 KB |
Output is correct |
23 |
Correct |
4 ms |
5068 KB |
Output is correct |
24 |
Correct |
5 ms |
5068 KB |
Output is correct |
25 |
Correct |
5 ms |
5024 KB |
Output is correct |
26 |
Correct |
5 ms |
5072 KB |
Output is correct |
27 |
Correct |
5 ms |
5068 KB |
Output is correct |
28 |
Correct |
5 ms |
5072 KB |
Output is correct |
29 |
Correct |
5 ms |
5196 KB |
Output is correct |
30 |
Correct |
5 ms |
5196 KB |
Output is correct |
31 |
Correct |
5 ms |
5020 KB |
Output is correct |
32 |
Correct |
6 ms |
5068 KB |
Output is correct |
33 |
Correct |
5 ms |
5068 KB |
Output is correct |
34 |
Correct |
5 ms |
5068 KB |
Output is correct |
35 |
Correct |
5 ms |
5068 KB |
Output is correct |
36 |
Correct |
5 ms |
5048 KB |
Output is correct |
37 |
Correct |
4 ms |
5068 KB |
Output is correct |
38 |
Correct |
5 ms |
5024 KB |
Output is correct |
39 |
Correct |
5 ms |
5144 KB |
Output is correct |
40 |
Correct |
5 ms |
5144 KB |
Output is correct |
41 |
Correct |
5 ms |
5068 KB |
Output is correct |
42 |
Correct |
5 ms |
5068 KB |
Output is correct |
43 |
Correct |
5 ms |
5068 KB |
Output is correct |
44 |
Correct |
5 ms |
5068 KB |
Output is correct |
45 |
Correct |
5 ms |
5068 KB |
Output is correct |
46 |
Correct |
4 ms |
5068 KB |
Output is correct |
47 |
Correct |
5 ms |
5024 KB |
Output is correct |
48 |
Correct |
5 ms |
5068 KB |
Output is correct |
49 |
Correct |
4 ms |
5188 KB |
Output is correct |
50 |
Correct |
5 ms |
5068 KB |
Output is correct |
51 |
Correct |
5 ms |
5068 KB |
Output is correct |
52 |
Correct |
5 ms |
5068 KB |
Output is correct |
53 |
Correct |
5 ms |
5116 KB |
Output is correct |
54 |
Correct |
5 ms |
5068 KB |
Output is correct |
55 |
Correct |
4 ms |
5068 KB |
Output is correct |
56 |
Correct |
5 ms |
5100 KB |
Output is correct |
57 |
Correct |
5 ms |
5148 KB |
Output is correct |
58 |
Correct |
4 ms |
5068 KB |
Output is correct |
59 |
Correct |
7 ms |
5068 KB |
Output is correct |
60 |
Correct |
5 ms |
5068 KB |
Output is correct |
61 |
Correct |
5 ms |
5068 KB |
Output is correct |
62 |
Correct |
5 ms |
5196 KB |
Output is correct |
63 |
Correct |
5 ms |
5068 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
5004 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
3 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
3 ms |
5004 KB |
Output is correct |
10 |
Correct |
3 ms |
4940 KB |
Output is correct |
11 |
Correct |
3 ms |
4940 KB |
Output is correct |
12 |
Correct |
3 ms |
4940 KB |
Output is correct |
13 |
Correct |
3 ms |
4940 KB |
Output is correct |
14 |
Correct |
3 ms |
4940 KB |
Output is correct |
15 |
Correct |
3 ms |
4940 KB |
Output is correct |
16 |
Correct |
3 ms |
5004 KB |
Output is correct |
17 |
Correct |
3 ms |
5004 KB |
Output is correct |
18 |
Correct |
3 ms |
4920 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Correct |
3 ms |
5008 KB |
Output is correct |
21 |
Correct |
3 ms |
5008 KB |
Output is correct |
22 |
Correct |
4 ms |
5068 KB |
Output is correct |
23 |
Correct |
4 ms |
5068 KB |
Output is correct |
24 |
Correct |
5 ms |
5068 KB |
Output is correct |
25 |
Correct |
5 ms |
5024 KB |
Output is correct |
26 |
Correct |
5 ms |
5072 KB |
Output is correct |
27 |
Correct |
5 ms |
5068 KB |
Output is correct |
28 |
Correct |
5 ms |
5072 KB |
Output is correct |
29 |
Correct |
5 ms |
5196 KB |
Output is correct |
30 |
Correct |
5 ms |
5196 KB |
Output is correct |
31 |
Correct |
5 ms |
5020 KB |
Output is correct |
32 |
Correct |
6 ms |
5068 KB |
Output is correct |
33 |
Correct |
5 ms |
5068 KB |
Output is correct |
34 |
Correct |
5 ms |
5068 KB |
Output is correct |
35 |
Correct |
5 ms |
5068 KB |
Output is correct |
36 |
Correct |
5 ms |
5048 KB |
Output is correct |
37 |
Correct |
4 ms |
5068 KB |
Output is correct |
38 |
Correct |
5 ms |
5024 KB |
Output is correct |
39 |
Correct |
5 ms |
5144 KB |
Output is correct |
40 |
Correct |
5 ms |
5144 KB |
Output is correct |
41 |
Correct |
5 ms |
5068 KB |
Output is correct |
42 |
Correct |
5 ms |
5068 KB |
Output is correct |
43 |
Correct |
5 ms |
5068 KB |
Output is correct |
44 |
Correct |
5 ms |
5068 KB |
Output is correct |
45 |
Correct |
5 ms |
5068 KB |
Output is correct |
46 |
Correct |
4 ms |
5068 KB |
Output is correct |
47 |
Correct |
5 ms |
5024 KB |
Output is correct |
48 |
Correct |
5 ms |
5068 KB |
Output is correct |
49 |
Correct |
4 ms |
5188 KB |
Output is correct |
50 |
Correct |
5 ms |
5068 KB |
Output is correct |
51 |
Correct |
5 ms |
5068 KB |
Output is correct |
52 |
Correct |
5 ms |
5068 KB |
Output is correct |
53 |
Correct |
5 ms |
5116 KB |
Output is correct |
54 |
Correct |
5 ms |
5068 KB |
Output is correct |
55 |
Correct |
4 ms |
5068 KB |
Output is correct |
56 |
Correct |
5 ms |
5100 KB |
Output is correct |
57 |
Correct |
5 ms |
5148 KB |
Output is correct |
58 |
Correct |
4 ms |
5068 KB |
Output is correct |
59 |
Correct |
7 ms |
5068 KB |
Output is correct |
60 |
Correct |
5 ms |
5068 KB |
Output is correct |
61 |
Correct |
5 ms |
5068 KB |
Output is correct |
62 |
Correct |
5 ms |
5196 KB |
Output is correct |
63 |
Correct |
5 ms |
5068 KB |
Output is correct |
64 |
Correct |
246 ms |
14668 KB |
Output is correct |
65 |
Correct |
249 ms |
14532 KB |
Output is correct |
66 |
Correct |
248 ms |
14532 KB |
Output is correct |
67 |
Correct |
244 ms |
14648 KB |
Output is correct |
68 |
Correct |
277 ms |
14632 KB |
Output is correct |
69 |
Correct |
246 ms |
14536 KB |
Output is correct |
70 |
Correct |
254 ms |
14628 KB |
Output is correct |
71 |
Correct |
245 ms |
14640 KB |
Output is correct |
72 |
Correct |
258 ms |
14600 KB |
Output is correct |
73 |
Correct |
283 ms |
27196 KB |
Output is correct |
74 |
Correct |
292 ms |
27084 KB |
Output is correct |
75 |
Correct |
256 ms |
14516 KB |
Output is correct |
76 |
Correct |
245 ms |
14464 KB |
Output is correct |
77 |
Correct |
246 ms |
14476 KB |
Output is correct |
78 |
Correct |
257 ms |
14656 KB |
Output is correct |
79 |
Correct |
272 ms |
14400 KB |
Output is correct |
80 |
Correct |
266 ms |
14416 KB |
Output is correct |
81 |
Correct |
237 ms |
14920 KB |
Output is correct |
82 |
Correct |
233 ms |
15144 KB |
Output is correct |
83 |
Correct |
264 ms |
20164 KB |
Output is correct |
84 |
Correct |
289 ms |
22236 KB |
Output is correct |
85 |
Correct |
265 ms |
22104 KB |
Output is correct |
86 |
Correct |
264 ms |
16480 KB |
Output is correct |
87 |
Correct |
270 ms |
15812 KB |
Output is correct |
88 |
Correct |
287 ms |
16160 KB |
Output is correct |
89 |
Correct |
276 ms |
16476 KB |
Output is correct |
90 |
Correct |
310 ms |
16040 KB |
Output is correct |
91 |
Correct |
288 ms |
16300 KB |
Output is correct |
92 |
Correct |
303 ms |
16608 KB |
Output is correct |
93 |
Correct |
244 ms |
19008 KB |
Output is correct |
94 |
Correct |
254 ms |
20572 KB |
Output is correct |
95 |
Correct |
266 ms |
19432 KB |
Output is correct |
96 |
Correct |
263 ms |
17548 KB |
Output is correct |
97 |
Correct |
276 ms |
16088 KB |
Output is correct |
98 |
Correct |
281 ms |
15584 KB |
Output is correct |
99 |
Correct |
288 ms |
15316 KB |
Output is correct |
100 |
Correct |
269 ms |
18524 KB |
Output is correct |
101 |
Correct |
250 ms |
16552 KB |
Output is correct |
102 |
Correct |
265 ms |
15812 KB |
Output is correct |
103 |
Correct |
270 ms |
15524 KB |
Output is correct |
104 |
Correct |
218 ms |
15800 KB |
Output is correct |
105 |
Correct |
284 ms |
24484 KB |
Output is correct |
106 |
Correct |
195 ms |
15548 KB |
Output is correct |
107 |
Correct |
191 ms |
15620 KB |
Output is correct |
108 |
Correct |
264 ms |
28356 KB |
Output is correct |
109 |
Correct |
197 ms |
15844 KB |
Output is correct |
110 |
Correct |
268 ms |
28672 KB |
Output is correct |
111 |
Correct |
240 ms |
14824 KB |
Output is correct |