| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 534694 |
2022-03-08T14:38:50 Z |
michao |
Power Plant (JOI20_power) |
C++14 |
|
1500 ms |
45380 KB |
#include <bits/stdc++.h>
#define int long long
#define mp make_pair
#define pb push_back
#define ld long double
#define pii pair<int,int>
#define sz(x) (int)x.size()
#define piii pair<pii,pii>
#define precise cout<<fixed<<setprecision(10)
#define st first
#define nd second
#define ins insert
#define vi vector<int>
#define BOOST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
const int MAX=2e5+5;
vi P[MAX];
int c[MAX];
int dp[MAX];
char s[MAX];
int ans=0;
void dfs(int u,int fa){
vi d;
d.clear();
vi wrzut;
for (auto it:P[u]){
if (it==fa)continue;
dfs(it,u);
d.pb(it);
wrzut.pb(dp[it]);
}
if (c[u]==0){
for (auto v:d)dp[u]+=dp[v];
ans=max(ans,dp[u]);
}
else{
assert(c[u]==1);
int sum=0;
for (auto v:d)sum+=dp[v];
if (sum==0)dp[u]=1,ans=max(ans,dp[u]);
else{
dp[u]=max(1LL,sum-1);
sort(wrzut.begin(),wrzut.end());
if (sz(wrzut)){
ans=max(ans,wrzut.back()+1);
}
ans=max(ans,dp[u]);
}
}
}
int32_t main(){
BOOST;
int n;
cin>>n;
for (int i=1;i<=n-1;i++){
int a,b;
cin>>a>>b;
P[a].pb(b);
P[b].pb(a);
}
for (int i=1;i<=n;i++){
cin>>s[i];
c[i]=s[i]-'0';
}
dfs(1,-1);
for (int i=1;i<=n;i++)cerr<<"DPEK "<<i<<" "<<dp[i]<<"\n";
cout<<ans;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 2 |
Correct |
4 ms |
5016 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 5 |
Correct |
4 ms |
4940 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 7 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 8 |
Correct |
3 ms |
5020 KB |
Output is correct |
| 9 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 11 |
Correct |
3 ms |
5020 KB |
Output is correct |
| 12 |
Correct |
4 ms |
4940 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 14 |
Correct |
3 ms |
5016 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 16 |
Correct |
4 ms |
4940 KB |
Output is correct |
| 17 |
Correct |
5 ms |
4940 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4940 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 2 |
Correct |
4 ms |
5016 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 5 |
Correct |
4 ms |
4940 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 7 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 8 |
Correct |
3 ms |
5020 KB |
Output is correct |
| 9 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 11 |
Correct |
3 ms |
5020 KB |
Output is correct |
| 12 |
Correct |
4 ms |
4940 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 14 |
Correct |
3 ms |
5016 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 16 |
Correct |
4 ms |
4940 KB |
Output is correct |
| 17 |
Correct |
5 ms |
4940 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 22 |
Correct |
15 ms |
5176 KB |
Output is correct |
| 23 |
Correct |
16 ms |
5068 KB |
Output is correct |
| 24 |
Correct |
15 ms |
5076 KB |
Output is correct |
| 25 |
Correct |
16 ms |
5168 KB |
Output is correct |
| 26 |
Correct |
18 ms |
5068 KB |
Output is correct |
| 27 |
Correct |
14 ms |
5068 KB |
Output is correct |
| 28 |
Correct |
14 ms |
5188 KB |
Output is correct |
| 29 |
Correct |
17 ms |
5324 KB |
Output is correct |
| 30 |
Correct |
20 ms |
5324 KB |
Output is correct |
| 31 |
Correct |
17 ms |
5192 KB |
Output is correct |
| 32 |
Correct |
17 ms |
5068 KB |
Output is correct |
| 33 |
Correct |
20 ms |
5128 KB |
Output is correct |
| 34 |
Correct |
15 ms |
5148 KB |
Output is correct |
| 35 |
Correct |
15 ms |
5164 KB |
Output is correct |
| 36 |
Correct |
15 ms |
5068 KB |
Output is correct |
| 37 |
Correct |
14 ms |
5196 KB |
Output is correct |
| 38 |
Correct |
17 ms |
5160 KB |
Output is correct |
| 39 |
Correct |
15 ms |
5280 KB |
Output is correct |
| 40 |
Correct |
24 ms |
5248 KB |
Output is correct |
| 41 |
Correct |
17 ms |
5280 KB |
Output is correct |
| 42 |
Correct |
17 ms |
5248 KB |
Output is correct |
| 43 |
Correct |
18 ms |
5216 KB |
Output is correct |
| 44 |
Correct |
17 ms |
5208 KB |
Output is correct |
| 45 |
Correct |
16 ms |
5328 KB |
Output is correct |
| 46 |
Correct |
17 ms |
5216 KB |
Output is correct |
| 47 |
Correct |
14 ms |
5196 KB |
Output is correct |
| 48 |
Correct |
16 ms |
5324 KB |
Output is correct |
| 49 |
Correct |
16 ms |
5356 KB |
Output is correct |
| 50 |
Correct |
23 ms |
5196 KB |
Output is correct |
| 51 |
Correct |
16 ms |
5236 KB |
Output is correct |
| 52 |
Correct |
19 ms |
5180 KB |
Output is correct |
| 53 |
Correct |
15 ms |
5244 KB |
Output is correct |
| 54 |
Correct |
14 ms |
5152 KB |
Output is correct |
| 55 |
Correct |
15 ms |
5156 KB |
Output is correct |
| 56 |
Correct |
16 ms |
5224 KB |
Output is correct |
| 57 |
Correct |
15 ms |
5432 KB |
Output is correct |
| 58 |
Correct |
16 ms |
5248 KB |
Output is correct |
| 59 |
Correct |
16 ms |
5236 KB |
Output is correct |
| 60 |
Correct |
17 ms |
5324 KB |
Output is correct |
| 61 |
Correct |
16 ms |
5236 KB |
Output is correct |
| 62 |
Correct |
17 ms |
5324 KB |
Output is correct |
| 63 |
Correct |
20 ms |
5156 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 2 |
Correct |
4 ms |
5016 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 5 |
Correct |
4 ms |
4940 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 7 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 8 |
Correct |
3 ms |
5020 KB |
Output is correct |
| 9 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 11 |
Correct |
3 ms |
5020 KB |
Output is correct |
| 12 |
Correct |
4 ms |
4940 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 14 |
Correct |
3 ms |
5016 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 16 |
Correct |
4 ms |
4940 KB |
Output is correct |
| 17 |
Correct |
5 ms |
4940 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4940 KB |
Output is correct |
| 22 |
Correct |
15 ms |
5176 KB |
Output is correct |
| 23 |
Correct |
16 ms |
5068 KB |
Output is correct |
| 24 |
Correct |
15 ms |
5076 KB |
Output is correct |
| 25 |
Correct |
16 ms |
5168 KB |
Output is correct |
| 26 |
Correct |
18 ms |
5068 KB |
Output is correct |
| 27 |
Correct |
14 ms |
5068 KB |
Output is correct |
| 28 |
Correct |
14 ms |
5188 KB |
Output is correct |
| 29 |
Correct |
17 ms |
5324 KB |
Output is correct |
| 30 |
Correct |
20 ms |
5324 KB |
Output is correct |
| 31 |
Correct |
17 ms |
5192 KB |
Output is correct |
| 32 |
Correct |
17 ms |
5068 KB |
Output is correct |
| 33 |
Correct |
20 ms |
5128 KB |
Output is correct |
| 34 |
Correct |
15 ms |
5148 KB |
Output is correct |
| 35 |
Correct |
15 ms |
5164 KB |
Output is correct |
| 36 |
Correct |
15 ms |
5068 KB |
Output is correct |
| 37 |
Correct |
14 ms |
5196 KB |
Output is correct |
| 38 |
Correct |
17 ms |
5160 KB |
Output is correct |
| 39 |
Correct |
15 ms |
5280 KB |
Output is correct |
| 40 |
Correct |
24 ms |
5248 KB |
Output is correct |
| 41 |
Correct |
17 ms |
5280 KB |
Output is correct |
| 42 |
Correct |
17 ms |
5248 KB |
Output is correct |
| 43 |
Correct |
18 ms |
5216 KB |
Output is correct |
| 44 |
Correct |
17 ms |
5208 KB |
Output is correct |
| 45 |
Correct |
16 ms |
5328 KB |
Output is correct |
| 46 |
Correct |
17 ms |
5216 KB |
Output is correct |
| 47 |
Correct |
14 ms |
5196 KB |
Output is correct |
| 48 |
Correct |
16 ms |
5324 KB |
Output is correct |
| 49 |
Correct |
16 ms |
5356 KB |
Output is correct |
| 50 |
Correct |
23 ms |
5196 KB |
Output is correct |
| 51 |
Correct |
16 ms |
5236 KB |
Output is correct |
| 52 |
Correct |
19 ms |
5180 KB |
Output is correct |
| 53 |
Correct |
15 ms |
5244 KB |
Output is correct |
| 54 |
Correct |
14 ms |
5152 KB |
Output is correct |
| 55 |
Correct |
15 ms |
5156 KB |
Output is correct |
| 56 |
Correct |
16 ms |
5224 KB |
Output is correct |
| 57 |
Correct |
15 ms |
5432 KB |
Output is correct |
| 58 |
Correct |
16 ms |
5248 KB |
Output is correct |
| 59 |
Correct |
16 ms |
5236 KB |
Output is correct |
| 60 |
Correct |
17 ms |
5324 KB |
Output is correct |
| 61 |
Correct |
16 ms |
5236 KB |
Output is correct |
| 62 |
Correct |
17 ms |
5324 KB |
Output is correct |
| 63 |
Correct |
20 ms |
5156 KB |
Output is correct |
| 64 |
Correct |
1393 ms |
21144 KB |
Output is correct |
| 65 |
Correct |
1368 ms |
21232 KB |
Output is correct |
| 66 |
Correct |
1402 ms |
21068 KB |
Output is correct |
| 67 |
Correct |
1390 ms |
21156 KB |
Output is correct |
| 68 |
Correct |
1342 ms |
21092 KB |
Output is correct |
| 69 |
Correct |
1361 ms |
21152 KB |
Output is correct |
| 70 |
Correct |
1414 ms |
21100 KB |
Output is correct |
| 71 |
Correct |
1356 ms |
21128 KB |
Output is correct |
| 72 |
Correct |
1355 ms |
21324 KB |
Output is correct |
| 73 |
Correct |
1349 ms |
45380 KB |
Output is correct |
| 74 |
Correct |
1425 ms |
45236 KB |
Output is correct |
| 75 |
Correct |
1336 ms |
22348 KB |
Output is correct |
| 76 |
Correct |
1395 ms |
22256 KB |
Output is correct |
| 77 |
Correct |
1482 ms |
20980 KB |
Output is correct |
| 78 |
Correct |
1455 ms |
21072 KB |
Output is correct |
| 79 |
Correct |
1473 ms |
21080 KB |
Output is correct |
| 80 |
Correct |
1333 ms |
21060 KB |
Output is correct |
| 81 |
Correct |
1369 ms |
21336 KB |
Output is correct |
| 82 |
Correct |
1474 ms |
21368 KB |
Output is correct |
| 83 |
Correct |
1408 ms |
32188 KB |
Output is correct |
| 84 |
Execution timed out |
1502 ms |
36960 KB |
Time limit exceeded |
| 85 |
Halted |
0 ms |
0 KB |
- |
