| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 623221 |
2022-08-05T10:42:51 Z |
K4YAN |
Power Plant (JOI20_power) |
C++17 |
|
174 ms |
31376 KB |
//Be Name Khoda
#include<bits/stdc++.h>
//pragma shayad niaz she
using namespace std;
typedef long long ll;
typedef long double ld;
#define pii pair<int, int>
#define pll pair<ll, ll>
#define all(x) x.begin(), x.end()
const ll mxn = 2e5 + 16;
ll n, m, t, q, w, ans;
ll dp[mxn], subt[mxn];
vector<ll> adj[mxn];
bool mark[mxn];
string s;
void input() {
cin >> n;
for(int i = 1; i < n; i++) {
cin >> q >> w;
adj[q].push_back(w);
adj[w].push_back(q);
} cin >> s;
s = '0' + s;
}
void DFS(int v) {
mark[v] = 1;
ll cnt = 0, sum = 0, idk = 0;
if(s[v] == '1') dp[v] = 1, subt[v] = 1;
for(auto u : adj[v]) {
if(!mark[u]) {
DFS(u);
if(subt[u] > 0) {
subt[v] += subt[u];
cnt++, sum += dp[u];
idk = max(idk, dp[u]);
}
}
}
if(s[v] == '1') {
ans = max(ans, idk + 1);
sum--;
}
dp[v] = max(dp[v], sum);
return;
}
void solve() {
ll cnt = 0;
for(auto u : s) {
if(u == '1') cnt++;
}
DFS(1);
for(int i = 1; i <= n; i++) {
ans = max(ans, dp[i]);
}
cout << ans << "\n";
return;
}
int main() {
ios::sync_with_stdio(false); cin.tie(NULL);
input(), solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
3 ms |
5016 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 17 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
3 ms |
5036 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
3 ms |
5016 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 17 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 22 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 23 |
Correct |
5 ms |
5096 KB |
Output is correct |
| 24 |
Correct |
3 ms |
5096 KB |
Output is correct |
| 25 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 26 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 27 |
Correct |
3 ms |
5044 KB |
Output is correct |
| 28 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 29 |
Correct |
5 ms |
5204 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 31 |
Correct |
7 ms |
5104 KB |
Output is correct |
| 32 |
Correct |
4 ms |
5172 KB |
Output is correct |
| 33 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 34 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 35 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 36 |
Correct |
3 ms |
5092 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 38 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 39 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 40 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 41 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 42 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 43 |
Correct |
4 ms |
5100 KB |
Output is correct |
| 44 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 45 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 46 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 47 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 48 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 49 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 51 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5092 KB |
Output is correct |
| 53 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 54 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 57 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 58 |
Correct |
4 ms |
5176 KB |
Output is correct |
| 59 |
Correct |
5 ms |
5080 KB |
Output is correct |
| 60 |
Correct |
5 ms |
5204 KB |
Output is correct |
| 61 |
Correct |
3 ms |
5092 KB |
Output is correct |
| 62 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 63 |
Correct |
3 ms |
5076 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
3 ms |
5016 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 17 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 22 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 23 |
Correct |
5 ms |
5096 KB |
Output is correct |
| 24 |
Correct |
3 ms |
5096 KB |
Output is correct |
| 25 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 26 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 27 |
Correct |
3 ms |
5044 KB |
Output is correct |
| 28 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 29 |
Correct |
5 ms |
5204 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 31 |
Correct |
7 ms |
5104 KB |
Output is correct |
| 32 |
Correct |
4 ms |
5172 KB |
Output is correct |
| 33 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 34 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 35 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 36 |
Correct |
3 ms |
5092 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 38 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 39 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 40 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 41 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 42 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 43 |
Correct |
4 ms |
5100 KB |
Output is correct |
| 44 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 45 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 46 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 47 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 48 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 49 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 51 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5092 KB |
Output is correct |
| 53 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 54 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 57 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 58 |
Correct |
4 ms |
5176 KB |
Output is correct |
| 59 |
Correct |
5 ms |
5080 KB |
Output is correct |
| 60 |
Correct |
5 ms |
5204 KB |
Output is correct |
| 61 |
Correct |
3 ms |
5092 KB |
Output is correct |
| 62 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 63 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 64 |
Correct |
148 ms |
18652 KB |
Output is correct |
| 65 |
Correct |
133 ms |
18656 KB |
Output is correct |
| 66 |
Correct |
129 ms |
18620 KB |
Output is correct |
| 67 |
Correct |
119 ms |
18660 KB |
Output is correct |
| 68 |
Correct |
124 ms |
18608 KB |
Output is correct |
| 69 |
Correct |
132 ms |
18640 KB |
Output is correct |
| 70 |
Correct |
138 ms |
18672 KB |
Output is correct |
| 71 |
Correct |
140 ms |
18660 KB |
Output is correct |
| 72 |
Correct |
123 ms |
17736 KB |
Output is correct |
| 73 |
Correct |
162 ms |
30332 KB |
Output is correct |
| 74 |
Correct |
147 ms |
30280 KB |
Output is correct |
| 75 |
Correct |
148 ms |
19928 KB |
Output is correct |
| 76 |
Correct |
158 ms |
19948 KB |
Output is correct |
| 77 |
Correct |
140 ms |
18744 KB |
Output is correct |
| 78 |
Correct |
144 ms |
18628 KB |
Output is correct |
| 79 |
Correct |
120 ms |
18636 KB |
Output is correct |
| 80 |
Correct |
131 ms |
18668 KB |
Output is correct |
| 81 |
Correct |
114 ms |
18684 KB |
Output is correct |
| 82 |
Correct |
153 ms |
18504 KB |
Output is correct |
| 83 |
Correct |
134 ms |
23704 KB |
Output is correct |
| 84 |
Correct |
166 ms |
25940 KB |
Output is correct |
| 85 |
Correct |
174 ms |
25580 KB |
Output is correct |
| 86 |
Correct |
131 ms |
20040 KB |
Output is correct |
| 87 |
Correct |
138 ms |
19396 KB |
Output is correct |
| 88 |
Correct |
160 ms |
19516 KB |
Output is correct |
| 89 |
Correct |
133 ms |
19664 KB |
Output is correct |
| 90 |
Correct |
112 ms |
19312 KB |
Output is correct |
| 91 |
Correct |
133 ms |
19544 KB |
Output is correct |
| 92 |
Correct |
121 ms |
19908 KB |
Output is correct |
| 93 |
Correct |
129 ms |
22172 KB |
Output is correct |
| 94 |
Correct |
120 ms |
23752 KB |
Output is correct |
| 95 |
Correct |
120 ms |
22372 KB |
Output is correct |
| 96 |
Correct |
157 ms |
20664 KB |
Output is correct |
| 97 |
Correct |
132 ms |
19224 KB |
Output is correct |
| 98 |
Correct |
125 ms |
18804 KB |
Output is correct |
| 99 |
Correct |
119 ms |
18736 KB |
Output is correct |
| 100 |
Correct |
116 ms |
21744 KB |
Output is correct |
| 101 |
Correct |
126 ms |
19568 KB |
Output is correct |
| 102 |
Correct |
141 ms |
18972 KB |
Output is correct |
| 103 |
Correct |
133 ms |
18984 KB |
Output is correct |
| 104 |
Correct |
81 ms |
17852 KB |
Output is correct |
| 105 |
Correct |
143 ms |
27112 KB |
Output is correct |
| 106 |
Correct |
74 ms |
19188 KB |
Output is correct |
| 107 |
Correct |
80 ms |
19192 KB |
Output is correct |
| 108 |
Correct |
140 ms |
31060 KB |
Output is correct |
| 109 |
Correct |
66 ms |
17856 KB |
Output is correct |
| 110 |
Correct |
135 ms |
31376 KB |
Output is correct |
| 111 |
Correct |
114 ms |
18620 KB |
Output is correct |
