답안 #975086

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
975086	2024-05-04T11:57:53 Z	8pete8	Security Guard (JOI23_guard)	C++17	37 / 100	124 ms	23076 KB

guard

#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include <cassert>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric> //gcd(a,b)
#include<bitset>
#include <cstdlib> 
#include <cstdint>
using namespace std;
#define ll long long
#define f first
//#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
#define int long long
#define double long double
const int mxn=2e5,inf=1e18,minf=-1e18;
int val[mxn+10],ans=0;
vector<int>adj[mxn+10];
void dfs(int cur,int p){
	ans+=(val[cur]*(adj[cur].size()-(!!p)));
	for(auto i:adj[cur])if(i!=p)dfs(i,cur);
}
int32_t main(){
	fastio
	int n,m,q;cin>>n>>m>>q;
	if(m!=n-1||q!=0)return 0;
	for(int i=1;i<=n;i++)cin>>val[i];
	for(int i=0;i<n-1;i++){
		int a,b;cin>>a>>b;
		adj[a].pb(b);
		adj[b].pb(a);
	}
	pair<pii,int> st={{minf,0},-1};
	for(int i=1;i<=n;i++)st=max(st,{{val[i],-adj[i].size()},i});
	dfs(st.s,0);
	cout<<ans;
	return 0;
}
/*
*/

Subtask #1

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4956 KB	Output is correct
2	Correct	51 ms	21408 KB	Output is correct
3	Correct	53 ms	21328 KB	Output is correct
4	Correct	57 ms	21224 KB	Output is correct
5	Correct	51 ms	21332 KB	Output is correct
6	Correct	53 ms	21192 KB	Output is correct
7	Correct	51 ms	21328 KB	Output is correct
8	Correct	3 ms	5208 KB	Output is correct

Subtask #2

13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4956 KB	Output is correct
2	Correct	51 ms	21408 KB	Output is correct
3	Correct	53 ms	21328 KB	Output is correct
4	Correct	57 ms	21224 KB	Output is correct
5	Correct	51 ms	21332 KB	Output is correct
6	Correct	53 ms	21192 KB	Output is correct
7	Correct	51 ms	21328 KB	Output is correct
8	Correct	3 ms	5208 KB	Output is correct
9	Correct	2 ms	4956 KB	Output is correct
10	Correct	57 ms	20684 KB	Output is correct
11	Correct	59 ms	23076 KB	Output is correct
12	Correct	67 ms	22840 KB	Output is correct
13	Correct	58 ms	22872 KB	Output is correct
14	Correct	71 ms	22992 KB	Output is correct
15	Correct	64 ms	22816 KB	Output is correct
16	Correct	58 ms	22300 KB	Output is correct
17	Correct	70 ms	22556 KB	Output is correct

Subtask #3

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4956 KB	Output is correct
2	Correct	51 ms	21408 KB	Output is correct
3	Correct	53 ms	21328 KB	Output is correct
4	Correct	57 ms	21224 KB	Output is correct
5	Correct	51 ms	21332 KB	Output is correct
6	Correct	53 ms	21192 KB	Output is correct
7	Correct	51 ms	21328 KB	Output is correct
8	Correct	3 ms	5208 KB	Output is correct
9	Correct	2 ms	4956 KB	Output is correct
10	Correct	57 ms	20684 KB	Output is correct
11	Correct	59 ms	23076 KB	Output is correct
12	Correct	67 ms	22840 KB	Output is correct
13	Correct	58 ms	22872 KB	Output is correct
14	Correct	71 ms	22992 KB	Output is correct
15	Correct	64 ms	22816 KB	Output is correct
16	Correct	58 ms	22300 KB	Output is correct
17	Correct	70 ms	22556 KB	Output is correct
18	Correct	1 ms	4956 KB	Output is correct
19	Correct	88 ms	21148 KB	Output is correct
20	Correct	90 ms	20704 KB	Output is correct
21	Correct	85 ms	18240 KB	Output is correct
22	Correct	79 ms	18576 KB	Output is correct
23	Correct	67 ms	19024 KB	Output is correct
24	Correct	76 ms	19640 KB	Output is correct
25	Correct	61 ms	18876 KB	Output is correct
26	Correct	61 ms	18748 KB	Output is correct
27	Correct	55 ms	18884 KB	Output is correct
28	Correct	89 ms	22120 KB	Output is correct
29	Correct	92 ms	19956 KB	Output is correct
30	Correct	76 ms	19616 KB	Output is correct
31	Correct	57 ms	18884 KB	Output is correct
32	Correct	81 ms	18868 KB	Output is correct
33	Correct	85 ms	18892 KB	Output is correct
34	Correct	83 ms	18480 KB	Output is correct
35	Correct	81 ms	19536 KB	Output is correct
36	Correct	67 ms	19748 KB	Output is correct
37	Correct	83 ms	19556 KB	Output is correct
38	Correct	91 ms	21000 KB	Output is correct
39	Correct	74 ms	20536 KB	Output is correct
40	Correct	87 ms	19456 KB	Output is correct
41	Correct	89 ms	22100 KB	Output is correct
42	Correct	124 ms	22092 KB	Output is correct
43	Correct	83 ms	18572 KB	Output is correct
44	Correct	80 ms	18512 KB	Output is correct
45	Correct	80 ms	18516 KB	Output is correct
46	Correct	96 ms	18520 KB	Output is correct
47	Correct	93 ms	18772 KB	Output is correct
48	Correct	76 ms	18512 KB	Output is correct
49	Correct	88 ms	18516 KB	Output is correct
50	Correct	106 ms	18512 KB	Output is correct
51	Correct	84 ms	18772 KB	Output is correct
52	Correct	73 ms	16960 KB	Output is correct

Subtask #4

0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4956 KB	Output is correct
2	Correct	51 ms	21408 KB	Output is correct
3	Correct	53 ms	21328 KB	Output is correct
4	Correct	57 ms	21224 KB	Output is correct
5	Correct	51 ms	21332 KB	Output is correct
6	Correct	53 ms	21192 KB	Output is correct
7	Correct	51 ms	21328 KB	Output is correct
8	Correct	3 ms	5208 KB	Output is correct
9	Correct	2 ms	4956 KB	Output is correct
10	Correct	57 ms	20684 KB	Output is correct
11	Correct	59 ms	23076 KB	Output is correct
12	Correct	67 ms	22840 KB	Output is correct
13	Correct	58 ms	22872 KB	Output is correct
14	Correct	71 ms	22992 KB	Output is correct
15	Correct	64 ms	22816 KB	Output is correct
16	Correct	58 ms	22300 KB	Output is correct
17	Correct	70 ms	22556 KB	Output is correct
18	Correct	1 ms	4956 KB	Output is correct
19	Correct	88 ms	21148 KB	Output is correct
20	Correct	90 ms	20704 KB	Output is correct
21	Correct	85 ms	18240 KB	Output is correct
22	Correct	79 ms	18576 KB	Output is correct
23	Correct	67 ms	19024 KB	Output is correct
24	Correct	76 ms	19640 KB	Output is correct
25	Correct	61 ms	18876 KB	Output is correct
26	Correct	61 ms	18748 KB	Output is correct
27	Correct	55 ms	18884 KB	Output is correct
28	Correct	89 ms	22120 KB	Output is correct
29	Correct	92 ms	19956 KB	Output is correct
30	Correct	76 ms	19616 KB	Output is correct
31	Correct	57 ms	18884 KB	Output is correct
32	Correct	81 ms	18868 KB	Output is correct
33	Correct	85 ms	18892 KB	Output is correct
34	Correct	83 ms	18480 KB	Output is correct
35	Correct	81 ms	19536 KB	Output is correct
36	Correct	67 ms	19748 KB	Output is correct
37	Correct	83 ms	19556 KB	Output is correct
38	Correct	91 ms	21000 KB	Output is correct
39	Correct	74 ms	20536 KB	Output is correct
40	Correct	87 ms	19456 KB	Output is correct
41	Correct	89 ms	22100 KB	Output is correct
42	Correct	124 ms	22092 KB	Output is correct
43	Correct	83 ms	18572 KB	Output is correct
44	Correct	80 ms	18512 KB	Output is correct
45	Correct	80 ms	18516 KB	Output is correct
46	Correct	96 ms	18520 KB	Output is correct
47	Correct	93 ms	18772 KB	Output is correct
48	Correct	76 ms	18512 KB	Output is correct
49	Correct	88 ms	18516 KB	Output is correct
50	Correct	106 ms	18512 KB	Output is correct
51	Correct	84 ms	18772 KB	Output is correct
52	Correct	73 ms	16960 KB	Output is correct
53	Incorrect	1 ms	4956 KB	Output isn't correct
54	Halted	0 ms	0 KB	-

Subtask #5

0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4956 KB	Output is correct
2	Incorrect	1 ms	4956 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #6

0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4956 KB	Output is correct
2	Incorrect	1 ms	4956 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #7

0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4956 KB	Output is correct
2	Correct	51 ms	21408 KB	Output is correct
3	Correct	53 ms	21328 KB	Output is correct
4	Correct	57 ms	21224 KB	Output is correct
5	Correct	51 ms	21332 KB	Output is correct
6	Correct	53 ms	21192 KB	Output is correct
7	Correct	51 ms	21328 KB	Output is correct
8	Correct	3 ms	5208 KB	Output is correct
9	Correct	2 ms	4956 KB	Output is correct
10	Correct	57 ms	20684 KB	Output is correct
11	Correct	59 ms	23076 KB	Output is correct
12	Correct	67 ms	22840 KB	Output is correct
13	Correct	58 ms	22872 KB	Output is correct
14	Correct	71 ms	22992 KB	Output is correct
15	Correct	64 ms	22816 KB	Output is correct
16	Correct	58 ms	22300 KB	Output is correct
17	Correct	70 ms	22556 KB	Output is correct
18	Correct	1 ms	4956 KB	Output is correct
19	Correct	88 ms	21148 KB	Output is correct
20	Correct	90 ms	20704 KB	Output is correct
21	Correct	85 ms	18240 KB	Output is correct
22	Correct	79 ms	18576 KB	Output is correct
23	Correct	67 ms	19024 KB	Output is correct
24	Correct	76 ms	19640 KB	Output is correct
25	Correct	61 ms	18876 KB	Output is correct
26	Correct	61 ms	18748 KB	Output is correct
27	Correct	55 ms	18884 KB	Output is correct
28	Correct	89 ms	22120 KB	Output is correct
29	Correct	92 ms	19956 KB	Output is correct
30	Correct	76 ms	19616 KB	Output is correct
31	Correct	57 ms	18884 KB	Output is correct
32	Correct	81 ms	18868 KB	Output is correct
33	Correct	85 ms	18892 KB	Output is correct
34	Correct	83 ms	18480 KB	Output is correct
35	Correct	81 ms	19536 KB	Output is correct
36	Correct	67 ms	19748 KB	Output is correct
37	Correct	83 ms	19556 KB	Output is correct
38	Correct	91 ms	21000 KB	Output is correct
39	Correct	74 ms	20536 KB	Output is correct
40	Correct	87 ms	19456 KB	Output is correct
41	Correct	89 ms	22100 KB	Output is correct
42	Correct	124 ms	22092 KB	Output is correct
43	Correct	83 ms	18572 KB	Output is correct
44	Correct	80 ms	18512 KB	Output is correct
45	Correct	80 ms	18516 KB	Output is correct
46	Correct	96 ms	18520 KB	Output is correct
47	Correct	93 ms	18772 KB	Output is correct
48	Correct	76 ms	18512 KB	Output is correct
49	Correct	88 ms	18516 KB	Output is correct
50	Correct	106 ms	18512 KB	Output is correct
51	Correct	84 ms	18772 KB	Output is correct
52	Correct	73 ms	16960 KB	Output is correct
53	Incorrect	1 ms	4956 KB	Output isn't correct
54	Halted	0 ms	0 KB	-