답안 #332629

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
332629	2020-12-03T01:45:00 Z	YJU	Power Plant (JOI20_power)	C++14	47 / 100	1500 ms	23472 KB

power

#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]+=dp[i];
	}
	dp[nd]=max(dp[nd]-col[nd],col[nd]);
	return ;
}

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;
	REP1(i,n){
		DFS(i,0);
		ans=max(ans,dp[i]);
	}
	cout<<ans<<"\n";
	return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	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	8 ms	9728 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	8 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	9856 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	9728 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	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	8 ms	9728 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	8 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	9856 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	9728 KB	Output is correct
22	Correct	77 ms	9936 KB	Output is correct
23	Correct	77 ms	9936 KB	Output is correct
24	Correct	77 ms	9836 KB	Output is correct
25	Correct	74 ms	9836 KB	Output is correct
26	Correct	75 ms	9836 KB	Output is correct
27	Correct	76 ms	9836 KB	Output is correct
28	Correct	77 ms	9964 KB	Output is correct
29	Correct	108 ms	9964 KB	Output is correct
30	Correct	105 ms	9964 KB	Output is correct
31	Correct	68 ms	9836 KB	Output is correct
32	Correct	69 ms	9952 KB	Output is correct
33	Correct	77 ms	9836 KB	Output is correct
34	Correct	76 ms	9964 KB	Output is correct
35	Correct	76 ms	9836 KB	Output is correct
36	Correct	76 ms	9836 KB	Output is correct
37	Correct	63 ms	9836 KB	Output is correct
38	Correct	68 ms	9836 KB	Output is correct
39	Correct	91 ms	9964 KB	Output is correct
40	Correct	93 ms	9964 KB	Output is correct
41	Correct	93 ms	9964 KB	Output is correct
42	Correct	84 ms	9964 KB	Output is correct
43	Correct	84 ms	10092 KB	Output is correct
44	Correct	78 ms	9964 KB	Output is correct
45	Correct	75 ms	9964 KB	Output is correct
46	Correct	74 ms	9964 KB	Output is correct
47	Correct	76 ms	9964 KB	Output is correct
48	Correct	76 ms	10092 KB	Output is correct
49	Correct	76 ms	9964 KB	Output is correct
50	Correct	74 ms	9964 KB	Output is correct
51	Correct	73 ms	9964 KB	Output is correct
52	Correct	77 ms	9856 KB	Output is correct
53	Correct	71 ms	9964 KB	Output is correct
54	Correct	75 ms	10092 KB	Output is correct
55	Correct	78 ms	9836 KB	Output is correct
56	Correct	43 ms	9836 KB	Output is correct
57	Correct	105 ms	9964 KB	Output is correct
58	Correct	44 ms	9836 KB	Output is correct
59	Correct	44 ms	9964 KB	Output is correct
60	Correct	106 ms	10092 KB	Output is correct
61	Correct	43 ms	9836 KB	Output is correct
62	Correct	108 ms	9964 KB	Output is correct
63	Correct	63 ms	9936 KB	Output is correct

Subtask #3
0.0 / 53.0

#	결과	실행 시간	메모리	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	8 ms	9728 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	8 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	9856 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	9728 KB	Output is correct
22	Correct	77 ms	9936 KB	Output is correct
23	Correct	77 ms	9936 KB	Output is correct
24	Correct	77 ms	9836 KB	Output is correct
25	Correct	74 ms	9836 KB	Output is correct
26	Correct	75 ms	9836 KB	Output is correct
27	Correct	76 ms	9836 KB	Output is correct
28	Correct	77 ms	9964 KB	Output is correct
29	Correct	108 ms	9964 KB	Output is correct
30	Correct	105 ms	9964 KB	Output is correct
31	Correct	68 ms	9836 KB	Output is correct
32	Correct	69 ms	9952 KB	Output is correct
33	Correct	77 ms	9836 KB	Output is correct
34	Correct	76 ms	9964 KB	Output is correct
35	Correct	76 ms	9836 KB	Output is correct
36	Correct	76 ms	9836 KB	Output is correct
37	Correct	63 ms	9836 KB	Output is correct
38	Correct	68 ms	9836 KB	Output is correct
39	Correct	91 ms	9964 KB	Output is correct
40	Correct	93 ms	9964 KB	Output is correct
41	Correct	93 ms	9964 KB	Output is correct
42	Correct	84 ms	9964 KB	Output is correct
43	Correct	84 ms	10092 KB	Output is correct
44	Correct	78 ms	9964 KB	Output is correct
45	Correct	75 ms	9964 KB	Output is correct
46	Correct	74 ms	9964 KB	Output is correct
47	Correct	76 ms	9964 KB	Output is correct
48	Correct	76 ms	10092 KB	Output is correct
49	Correct	76 ms	9964 KB	Output is correct
50	Correct	74 ms	9964 KB	Output is correct
51	Correct	73 ms	9964 KB	Output is correct
52	Correct	77 ms	9856 KB	Output is correct
53	Correct	71 ms	9964 KB	Output is correct
54	Correct	75 ms	10092 KB	Output is correct
55	Correct	78 ms	9836 KB	Output is correct
56	Correct	43 ms	9836 KB	Output is correct
57	Correct	105 ms	9964 KB	Output is correct
58	Correct	44 ms	9836 KB	Output is correct
59	Correct	44 ms	9964 KB	Output is correct
60	Correct	106 ms	10092 KB	Output is correct
61	Correct	43 ms	9836 KB	Output is correct
62	Correct	108 ms	9964 KB	Output is correct
63	Correct	63 ms	9936 KB	Output is correct
64	Execution timed out	1580 ms	23472 KB	Time limit exceeded
65	Halted	0 ms	0 KB	-

답안 #332629

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 0.0 / 53.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
0.0 / 53.0