| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 958892 |
2024-04-07T03:14:17 Z |
pcc |
Power Plant (JOI20_power) |
C++17 |
|
116 ms |
28956 KB |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>
const int mxn = 2e5+10;
int dp[mxn];
string s;
vector<int> tree[mxn];
int N;
int ans = 0;
void dfs(int now,int par){
dp[now] = s[now]-'0';
int mx = 0,down = 0;
for(auto nxt:tree[now]){
if(nxt == par)continue;
dfs(nxt,now);
mx = max(mx,dp[nxt]);
down += max(dp[nxt],0);
}
ans = max({mx+dp[now],down-dp[now],ans});
dp[now] = max(dp[now],down-dp[now]);
return;
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>N;
for(int i = 1;i<N;i++){
int a,b;
cin>>a>>b;
tree[a].push_back(b);
tree[b].push_back(a);
}
cin>>s;
s = "#"+s;
dfs(1,1);
cout<<ans<<'\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
1 ms |
5156 KB |
Output is correct |
| 8 |
Correct |
1 ms |
5160 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
1 ms |
5160 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 18 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 19 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 20 |
Correct |
5 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4956 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
1 ms |
5156 KB |
Output is correct |
| 8 |
Correct |
1 ms |
5160 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
1 ms |
5160 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 18 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 19 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 20 |
Correct |
5 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 22 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 23 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 24 |
Correct |
2 ms |
5464 KB |
Output is correct |
| 25 |
Correct |
2 ms |
5168 KB |
Output is correct |
| 26 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 27 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 28 |
Correct |
2 ms |
5236 KB |
Output is correct |
| 29 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 30 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 31 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 33 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 35 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 36 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 37 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 38 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 39 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 40 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 41 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 42 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 43 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 44 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 45 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 46 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 47 |
Correct |
3 ms |
5168 KB |
Output is correct |
| 48 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 49 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 50 |
Correct |
2 ms |
5248 KB |
Output is correct |
| 51 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 52 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 53 |
Correct |
2 ms |
5420 KB |
Output is correct |
| 54 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 55 |
Correct |
2 ms |
5464 KB |
Output is correct |
| 56 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 57 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 58 |
Correct |
2 ms |
5080 KB |
Output is correct |
| 59 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 60 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 61 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 62 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 63 |
Correct |
2 ms |
5212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
1 ms |
5156 KB |
Output is correct |
| 8 |
Correct |
1 ms |
5160 KB |
Output is correct |
| 9 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
1 ms |
5160 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 17 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 18 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 19 |
Correct |
1 ms |
4956 KB |
Output is correct |
| 20 |
Correct |
5 ms |
4956 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 22 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 23 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 24 |
Correct |
2 ms |
5464 KB |
Output is correct |
| 25 |
Correct |
2 ms |
5168 KB |
Output is correct |
| 26 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 27 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 28 |
Correct |
2 ms |
5236 KB |
Output is correct |
| 29 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 30 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 31 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 33 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 35 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 36 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 37 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 38 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 39 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 40 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 41 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 42 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 43 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 44 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 45 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 46 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 47 |
Correct |
3 ms |
5168 KB |
Output is correct |
| 48 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 49 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 50 |
Correct |
2 ms |
5248 KB |
Output is correct |
| 51 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 52 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 53 |
Correct |
2 ms |
5420 KB |
Output is correct |
| 54 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 55 |
Correct |
2 ms |
5464 KB |
Output is correct |
| 56 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 57 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 58 |
Correct |
2 ms |
5080 KB |
Output is correct |
| 59 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 60 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 61 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 62 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 63 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 64 |
Correct |
81 ms |
15152 KB |
Output is correct |
| 65 |
Correct |
70 ms |
15260 KB |
Output is correct |
| 66 |
Correct |
62 ms |
15108 KB |
Output is correct |
| 67 |
Correct |
65 ms |
15312 KB |
Output is correct |
| 68 |
Correct |
63 ms |
15288 KB |
Output is correct |
| 69 |
Correct |
79 ms |
15304 KB |
Output is correct |
| 70 |
Correct |
72 ms |
15328 KB |
Output is correct |
| 71 |
Correct |
62 ms |
15316 KB |
Output is correct |
| 72 |
Correct |
65 ms |
15308 KB |
Output is correct |
| 73 |
Correct |
80 ms |
27852 KB |
Output is correct |
| 74 |
Correct |
116 ms |
27852 KB |
Output is correct |
| 75 |
Correct |
62 ms |
15052 KB |
Output is correct |
| 76 |
Correct |
64 ms |
15060 KB |
Output is correct |
| 77 |
Correct |
64 ms |
15032 KB |
Output is correct |
| 78 |
Correct |
66 ms |
15192 KB |
Output is correct |
| 79 |
Correct |
89 ms |
15064 KB |
Output is correct |
| 80 |
Correct |
69 ms |
14992 KB |
Output is correct |
| 81 |
Correct |
61 ms |
15560 KB |
Output is correct |
| 82 |
Correct |
59 ms |
15304 KB |
Output is correct |
| 83 |
Correct |
78 ms |
20436 KB |
Output is correct |
| 84 |
Correct |
75 ms |
22552 KB |
Output is correct |
| 85 |
Correct |
75 ms |
22216 KB |
Output is correct |
| 86 |
Correct |
75 ms |
16588 KB |
Output is correct |
| 87 |
Correct |
78 ms |
15928 KB |
Output is correct |
| 88 |
Correct |
63 ms |
16404 KB |
Output is correct |
| 89 |
Correct |
76 ms |
16520 KB |
Output is correct |
| 90 |
Correct |
98 ms |
16172 KB |
Output is correct |
| 91 |
Correct |
74 ms |
16436 KB |
Output is correct |
| 92 |
Correct |
65 ms |
16744 KB |
Output is correct |
| 93 |
Correct |
65 ms |
19104 KB |
Output is correct |
| 94 |
Correct |
65 ms |
21024 KB |
Output is correct |
| 95 |
Correct |
87 ms |
19492 KB |
Output is correct |
| 96 |
Correct |
68 ms |
17724 KB |
Output is correct |
| 97 |
Correct |
64 ms |
16288 KB |
Output is correct |
| 98 |
Correct |
67 ms |
15840 KB |
Output is correct |
| 99 |
Correct |
66 ms |
15564 KB |
Output is correct |
| 100 |
Correct |
67 ms |
18824 KB |
Output is correct |
| 101 |
Correct |
64 ms |
16968 KB |
Output is correct |
| 102 |
Correct |
64 ms |
16028 KB |
Output is correct |
| 103 |
Correct |
76 ms |
15792 KB |
Output is correct |
| 104 |
Correct |
46 ms |
16068 KB |
Output is correct |
| 105 |
Correct |
84 ms |
24720 KB |
Output is correct |
| 106 |
Correct |
50 ms |
16068 KB |
Output is correct |
| 107 |
Correct |
52 ms |
16080 KB |
Output is correct |
| 108 |
Correct |
91 ms |
28624 KB |
Output is correct |
| 109 |
Correct |
59 ms |
16144 KB |
Output is correct |
| 110 |
Correct |
84 ms |
28956 KB |
Output is correct |
| 111 |
Correct |
74 ms |
15040 KB |
Output is correct |
