| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 332636 |
2020-12-03T01:57:58 Z |
YJU |
Power Plant (JOI20_power) |
C++14 |
|
250 ms |
34476 KB |
#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=4e5+5;
const ll K=350;
const ld pi=acos(-1);
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()
ll n,x,y,h[N],dp[N],ans,col[N],sum;
vector<ll> v[N];
string s;
void DFS(ll nd,ll pa){
dp[nd]=0;
for(auto i:v[nd]){
if(i==pa)continue;
DFS(i,nd);
dp[nd]+=max(dp[i]-col[i],col[i]);
}
return ;
}
void move(ll rt,ll to){
dp[rt]-=max(dp[to]-col[to],col[to]);
dp[to]+=max(dp[rt]-col[rt],col[rt]);
}
void reroot(ll nd,ll pa){
ans=max(ans,max(dp[nd]-col[nd],col[nd]));
for(auto i:v[nd]){
if(i==pa)continue;
move(nd,i);
reroot(i,nd);
move(i,nd);
}
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);
cin>>n;
REP(i,n-1)cin>>x>>y,v[x].pb(y),v[y].pb(x);
cin>>s;
REP(i,n)if(s[i]=='1')col[i+1]=1,++sum;
if(sum>=2)ans=2;else ans=sum;
DFS(1,0);
reroot(1,0);
cout<<ans<<"\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 2 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 3 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 4 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 5 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 6 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 7 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 8 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 9 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 10 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 11 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 12 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 13 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 14 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 15 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 16 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 17 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 18 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 19 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 20 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 21 |
Correct |
7 ms |
9708 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 2 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 3 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 4 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 5 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 6 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 7 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 8 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 9 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 10 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 11 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 12 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 13 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 14 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 15 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 16 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 17 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 18 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 19 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 20 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 21 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 22 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 23 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 24 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 25 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 26 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 27 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 28 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 29 |
Correct |
8 ms |
9928 KB |
Output is correct |
| 30 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 31 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 32 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 33 |
Correct |
7 ms |
9836 KB |
Output is correct |
| 34 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 35 |
Correct |
7 ms |
9836 KB |
Output is correct |
| 36 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 37 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 38 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 39 |
Correct |
9 ms |
9964 KB |
Output is correct |
| 40 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 41 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 42 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 43 |
Correct |
9 ms |
9836 KB |
Output is correct |
| 44 |
Correct |
8 ms |
9984 KB |
Output is correct |
| 45 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 46 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 47 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 48 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 49 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 50 |
Correct |
9 ms |
9964 KB |
Output is correct |
| 51 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 52 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 53 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 54 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 55 |
Correct |
9 ms |
9836 KB |
Output is correct |
| 56 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 57 |
Correct |
8 ms |
9984 KB |
Output is correct |
| 58 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 59 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 60 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 61 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 62 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 63 |
Correct |
8 ms |
9836 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 2 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 3 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 4 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 5 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 6 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 7 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 8 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 9 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 10 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 11 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 12 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 13 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 14 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 15 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 16 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 17 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 18 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 19 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 20 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 21 |
Correct |
7 ms |
9708 KB |
Output is correct |
| 22 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 23 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 24 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 25 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 26 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 27 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 28 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 29 |
Correct |
8 ms |
9928 KB |
Output is correct |
| 30 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 31 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 32 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 33 |
Correct |
7 ms |
9836 KB |
Output is correct |
| 34 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 35 |
Correct |
7 ms |
9836 KB |
Output is correct |
| 36 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 37 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 38 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 39 |
Correct |
9 ms |
9964 KB |
Output is correct |
| 40 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 41 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 42 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 43 |
Correct |
9 ms |
9836 KB |
Output is correct |
| 44 |
Correct |
8 ms |
9984 KB |
Output is correct |
| 45 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 46 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 47 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 48 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 49 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 50 |
Correct |
9 ms |
9964 KB |
Output is correct |
| 51 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 52 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 53 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 54 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 55 |
Correct |
9 ms |
9836 KB |
Output is correct |
| 56 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 57 |
Correct |
8 ms |
9984 KB |
Output is correct |
| 58 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 59 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 60 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 61 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 62 |
Correct |
8 ms |
9964 KB |
Output is correct |
| 63 |
Correct |
8 ms |
9836 KB |
Output is correct |
| 64 |
Correct |
210 ms |
20856 KB |
Output is correct |
| 65 |
Correct |
232 ms |
21036 KB |
Output is correct |
| 66 |
Correct |
206 ms |
20892 KB |
Output is correct |
| 67 |
Correct |
214 ms |
20892 KB |
Output is correct |
| 68 |
Correct |
217 ms |
21020 KB |
Output is correct |
| 69 |
Correct |
214 ms |
20984 KB |
Output is correct |
| 70 |
Correct |
214 ms |
20960 KB |
Output is correct |
| 71 |
Correct |
221 ms |
20792 KB |
Output is correct |
| 72 |
Correct |
210 ms |
19368 KB |
Output is correct |
| 73 |
Correct |
240 ms |
32556 KB |
Output is correct |
| 74 |
Correct |
250 ms |
32556 KB |
Output is correct |
| 75 |
Correct |
213 ms |
22184 KB |
Output is correct |
| 76 |
Correct |
213 ms |
22192 KB |
Output is correct |
| 77 |
Correct |
225 ms |
21168 KB |
Output is correct |
| 78 |
Correct |
228 ms |
20904 KB |
Output is correct |
| 79 |
Correct |
226 ms |
20912 KB |
Output is correct |
| 80 |
Correct |
231 ms |
20904 KB |
Output is correct |
| 81 |
Correct |
176 ms |
20960 KB |
Output is correct |
| 82 |
Correct |
206 ms |
23268 KB |
Output is correct |
| 83 |
Correct |
228 ms |
28336 KB |
Output is correct |
| 84 |
Correct |
243 ms |
30524 KB |
Output is correct |
| 85 |
Correct |
231 ms |
30136 KB |
Output is correct |
| 86 |
Correct |
220 ms |
24620 KB |
Output is correct |
| 87 |
Correct |
239 ms |
24104 KB |
Output is correct |
| 88 |
Correct |
201 ms |
24296 KB |
Output is correct |
| 89 |
Correct |
204 ms |
24124 KB |
Output is correct |
| 90 |
Correct |
198 ms |
23952 KB |
Output is correct |
| 91 |
Correct |
204 ms |
24208 KB |
Output is correct |
| 92 |
Correct |
206 ms |
24476 KB |
Output is correct |
| 93 |
Correct |
195 ms |
26724 KB |
Output is correct |
| 94 |
Correct |
192 ms |
28384 KB |
Output is correct |
| 95 |
Correct |
187 ms |
27228 KB |
Output is correct |
| 96 |
Correct |
196 ms |
25256 KB |
Output is correct |
| 97 |
Correct |
207 ms |
23812 KB |
Output is correct |
| 98 |
Correct |
191 ms |
23388 KB |
Output is correct |
| 99 |
Correct |
204 ms |
23340 KB |
Output is correct |
| 100 |
Correct |
201 ms |
26264 KB |
Output is correct |
| 101 |
Correct |
194 ms |
24488 KB |
Output is correct |
| 102 |
Correct |
189 ms |
23548 KB |
Output is correct |
| 103 |
Correct |
215 ms |
23628 KB |
Output is correct |
| 104 |
Correct |
116 ms |
22364 KB |
Output is correct |
| 105 |
Correct |
236 ms |
30124 KB |
Output is correct |
| 106 |
Correct |
130 ms |
23900 KB |
Output is correct |
| 107 |
Correct |
127 ms |
23772 KB |
Output is correct |
| 108 |
Correct |
240 ms |
34092 KB |
Output is correct |
| 109 |
Correct |
121 ms |
22364 KB |
Output is correct |
| 110 |
Correct |
239 ms |
34476 KB |
Output is correct |
| 111 |
Correct |
195 ms |
23356 KB |
Output is correct |
