Submission #1030916

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1030916	2024-07-22T12:02:34 Z	Unforgettablepl	Security Guard (JOI23_guard)	C++17	50 / 100	116 ms	21280 KB

guard

#include <bits/stdc++.h>
using namespace std;

#define int long long

struct UFDS{
	vector<int> p,siz,mini;
	UFDS(int n,vector<int> arr):p(n+1),siz(n+1,1),mini(n+1){
		iota(p.begin(),p.end(),0);
		mini=arr;
	}
	int findRoot(int x){
		return p[x]==x ? x : p[x]=findRoot(p[x]);
	}
	int unite(int a,int b){
		a = findRoot(a);
		b = findRoot(b);
		if(a==b)return -1;
		if(siz[b]>siz[a])swap(a,b);
		int ans = mini[a]+mini[b];
		int maxi = max(mini[a],mini[b]);
		mini[a]=min(mini[a],mini[b]);
		siz[a]+=siz[b];
		p[b]=a;
		return ans;
	}
};


int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n,m,q;
	cin >> n >> m >> q;
	vector<int> arr(n+1);
	for(int i=1;i<=n;i++)cin>>arr[i];
	vector<tuple<int,int,int>> edges;
	for(int i=1;i<=m;i++){
		int a,b;
		cin >> a >> b;
		edges.emplace_back(arr[a]+arr[b],a,b);
	}
	sort(edges.begin(),edges.end());
	int baseans = (*max_element(arr.begin(),arr.end()));
	for(int i=1;i<=n;i++){
		baseans-=arr[i];
	}
	UFDS dsu(n,arr);
	vector<int> ans(n);
	int minima = *min_element(arr.begin()+1,arr.end());
	int iter = 1;
	priority_queue<int> qu;
	for(int i=0;i<m;i++){
		auto [cost,a,b] = edges[i];
		auto curr = dsu.unite(a,b);
		if(curr==-1)continue;
		baseans+=cost;
		qu.emplace(curr-cost);
	}
	for(int i=0;i<=q;i++){
		cout << baseans << '\n';
		if(!qu.empty()){
			baseans+=qu.top();
			qu.pop();
		}
	}
}

Compilation message

guard.cpp: In member function 'long long int UFDS::unite(long long int, long long int)':
guard.cpp:21:7: warning: unused variable 'maxi' [-Wunused-variable]
   21 |   int maxi = max(mini[a],mini[b]);
      |       ^~~~
guard.cpp: In function 'int32_t main()':
guard.cpp:50:6: warning: unused variable 'minima' [-Wunused-variable]
   50 |  int minima = *min_element(arr.begin()+1,arr.end());
      |      ^~~~~~
guard.cpp:51:6: warning: unused variable 'iter' [-Wunused-variable]
   51 |  int iter = 1;
      |      ^~~~

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	16576 KB	Output is correct
3	Correct	44 ms	16568 KB	Output is correct
4	Correct	64 ms	16564 KB	Output is correct
5	Correct	50 ms	16572 KB	Output is correct
6	Correct	55 ms	16568 KB	Output is correct
7	Correct	51 ms	16540 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct

Subtask #2
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	16576 KB	Output is correct
3	Correct	44 ms	16568 KB	Output is correct
4	Correct	64 ms	16564 KB	Output is correct
5	Correct	50 ms	16572 KB	Output is correct
6	Correct	55 ms	16568 KB	Output is correct
7	Correct	51 ms	16540 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	59 ms	16512 KB	Output is correct
11	Correct	48 ms	16564 KB	Output is correct
12	Correct	43 ms	16568 KB	Output is correct
13	Correct	44 ms	16572 KB	Output is correct
14	Correct	73 ms	16572 KB	Output is correct
15	Correct	58 ms	16460 KB	Output is correct
16	Correct	60 ms	16572 KB	Output is correct
17	Correct	59 ms	16572 KB	Output is correct

Subtask #3
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	16576 KB	Output is correct
3	Correct	44 ms	16568 KB	Output is correct
4	Correct	64 ms	16564 KB	Output is correct
5	Correct	50 ms	16572 KB	Output is correct
6	Correct	55 ms	16568 KB	Output is correct
7	Correct	51 ms	16540 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	59 ms	16512 KB	Output is correct
11	Correct	48 ms	16564 KB	Output is correct
12	Correct	43 ms	16568 KB	Output is correct
13	Correct	44 ms	16572 KB	Output is correct
14	Correct	73 ms	16572 KB	Output is correct
15	Correct	58 ms	16460 KB	Output is correct
16	Correct	60 ms	16572 KB	Output is correct
17	Correct	59 ms	16572 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	65 ms	16528 KB	Output is correct
20	Correct	63 ms	16404 KB	Output is correct
21	Correct	62 ms	16568 KB	Output is correct
22	Correct	62 ms	16576 KB	Output is correct
23	Correct	65 ms	16572 KB	Output is correct
24	Correct	60 ms	16572 KB	Output is correct
25	Correct	63 ms	16576 KB	Output is correct
26	Correct	60 ms	16568 KB	Output is correct
27	Correct	58 ms	16568 KB	Output is correct
28	Correct	62 ms	16576 KB	Output is correct
29	Correct	61 ms	16576 KB	Output is correct
30	Correct	60 ms	16568 KB	Output is correct
31	Correct	62 ms	16560 KB	Output is correct
32	Correct	60 ms	16564 KB	Output is correct
33	Correct	61 ms	16568 KB	Output is correct
34	Correct	66 ms	16564 KB	Output is correct
35	Correct	63 ms	16568 KB	Output is correct
36	Correct	62 ms	16396 KB	Output is correct
37	Correct	62 ms	16568 KB	Output is correct
38	Correct	62 ms	16504 KB	Output is correct
39	Correct	58 ms	16576 KB	Output is correct
40	Correct	61 ms	16568 KB	Output is correct
41	Correct	56 ms	16492 KB	Output is correct
42	Correct	57 ms	16572 KB	Output is correct
43	Correct	79 ms	16568 KB	Output is correct
44	Correct	65 ms	16464 KB	Output is correct
45	Correct	83 ms	16568 KB	Output is correct
46	Correct	67 ms	16568 KB	Output is correct
47	Correct	67 ms	16528 KB	Output is correct
48	Correct	65 ms	16364 KB	Output is correct
49	Correct	68 ms	16460 KB	Output is correct
50	Correct	62 ms	16500 KB	Output is correct
51	Correct	65 ms	16504 KB	Output is correct
52	Correct	58 ms	16568 KB	Output is correct

Subtask #4
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	16576 KB	Output is correct
3	Correct	44 ms	16568 KB	Output is correct
4	Correct	64 ms	16564 KB	Output is correct
5	Correct	50 ms	16572 KB	Output is correct
6	Correct	55 ms	16568 KB	Output is correct
7	Correct	51 ms	16540 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	59 ms	16512 KB	Output is correct
11	Correct	48 ms	16564 KB	Output is correct
12	Correct	43 ms	16568 KB	Output is correct
13	Correct	44 ms	16572 KB	Output is correct
14	Correct	73 ms	16572 KB	Output is correct
15	Correct	58 ms	16460 KB	Output is correct
16	Correct	60 ms	16572 KB	Output is correct
17	Correct	59 ms	16572 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	65 ms	16528 KB	Output is correct
20	Correct	63 ms	16404 KB	Output is correct
21	Correct	62 ms	16568 KB	Output is correct
22	Correct	62 ms	16576 KB	Output is correct
23	Correct	65 ms	16572 KB	Output is correct
24	Correct	60 ms	16572 KB	Output is correct
25	Correct	63 ms	16576 KB	Output is correct
26	Correct	60 ms	16568 KB	Output is correct
27	Correct	58 ms	16568 KB	Output is correct
28	Correct	62 ms	16576 KB	Output is correct
29	Correct	61 ms	16576 KB	Output is correct
30	Correct	60 ms	16568 KB	Output is correct
31	Correct	62 ms	16560 KB	Output is correct
32	Correct	60 ms	16564 KB	Output is correct
33	Correct	61 ms	16568 KB	Output is correct
34	Correct	66 ms	16564 KB	Output is correct
35	Correct	63 ms	16568 KB	Output is correct
36	Correct	62 ms	16396 KB	Output is correct
37	Correct	62 ms	16568 KB	Output is correct
38	Correct	62 ms	16504 KB	Output is correct
39	Correct	58 ms	16576 KB	Output is correct
40	Correct	61 ms	16568 KB	Output is correct
41	Correct	56 ms	16492 KB	Output is correct
42	Correct	57 ms	16572 KB	Output is correct
43	Correct	79 ms	16568 KB	Output is correct
44	Correct	65 ms	16464 KB	Output is correct
45	Correct	83 ms	16568 KB	Output is correct
46	Correct	67 ms	16568 KB	Output is correct
47	Correct	67 ms	16528 KB	Output is correct
48	Correct	65 ms	16364 KB	Output is correct
49	Correct	68 ms	16460 KB	Output is correct
50	Correct	62 ms	16500 KB	Output is correct
51	Correct	65 ms	16504 KB	Output is correct
52	Correct	58 ms	16568 KB	Output is correct
53	Correct	0 ms	344 KB	Output is correct
54	Correct	65 ms	16680 KB	Output is correct
55	Correct	64 ms	16828 KB	Output is correct
56	Correct	76 ms	17840 KB	Output is correct
57	Correct	108 ms	21160 KB	Output is correct
58	Correct	108 ms	21156 KB	Output is correct
59	Correct	105 ms	21228 KB	Output is correct
60	Correct	82 ms	18852 KB	Output is correct
61	Correct	102 ms	21156 KB	Output is correct
62	Correct	101 ms	21264 KB	Output is correct
63	Correct	64 ms	16824 KB	Output is correct
64	Correct	85 ms	18592 KB	Output is correct
65	Correct	100 ms	21224 KB	Output is correct
66	Correct	99 ms	21160 KB	Output is correct
67	Correct	99 ms	21260 KB	Output is correct
68	Correct	70 ms	16488 KB	Output is correct
69	Correct	97 ms	19364 KB	Output is correct
70	Correct	66 ms	17080 KB	Output is correct
71	Correct	67 ms	16596 KB	Output is correct
72	Correct	72 ms	16572 KB	Output is correct
73	Correct	62 ms	16564 KB	Output is correct
74	Correct	60 ms	16576 KB	Output is correct
75	Correct	59 ms	16464 KB	Output is correct
76	Correct	58 ms	16568 KB	Output is correct
77	Correct	58 ms	16576 KB	Output is correct
78	Correct	69 ms	16820 KB	Output is correct
79	Correct	106 ms	21212 KB	Output is correct
80	Correct	95 ms	17736 KB	Output is correct
81	Correct	106 ms	20304 KB	Output is correct
82	Correct	116 ms	21156 KB	Output is correct
83	Correct	107 ms	21116 KB	Output is correct
84	Correct	111 ms	21160 KB	Output is correct
85	Correct	66 ms	16568 KB	Output is correct
86	Correct	65 ms	16564 KB	Output is correct
87	Correct	68 ms	16548 KB	Output is correct
88	Correct	104 ms	21280 KB	Output is correct

Subtask #5
0 / 8.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Incorrect	348 KB	Output isn't correct
3	Halted	0 KB	-

Subtask #6
0 / 18.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Incorrect	348 KB	Output isn't correct
3	Halted	0 KB	-

Subtask #7
0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	41 ms	16576 KB	Output is correct
3	Correct	44 ms	16568 KB	Output is correct
4	Correct	64 ms	16564 KB	Output is correct
5	Correct	50 ms	16572 KB	Output is correct
6	Correct	55 ms	16568 KB	Output is correct
7	Correct	51 ms	16540 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	59 ms	16512 KB	Output is correct
11	Correct	48 ms	16564 KB	Output is correct
12	Correct	43 ms	16568 KB	Output is correct
13	Correct	44 ms	16572 KB	Output is correct
14	Correct	73 ms	16572 KB	Output is correct
15	Correct	58 ms	16460 KB	Output is correct
16	Correct	60 ms	16572 KB	Output is correct
17	Correct	59 ms	16572 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	65 ms	16528 KB	Output is correct
20	Correct	63 ms	16404 KB	Output is correct
21	Correct	62 ms	16568 KB	Output is correct
22	Correct	62 ms	16576 KB	Output is correct
23	Correct	65 ms	16572 KB	Output is correct
24	Correct	60 ms	16572 KB	Output is correct
25	Correct	63 ms	16576 KB	Output is correct
26	Correct	60 ms	16568 KB	Output is correct
27	Correct	58 ms	16568 KB	Output is correct
28	Correct	62 ms	16576 KB	Output is correct
29	Correct	61 ms	16576 KB	Output is correct
30	Correct	60 ms	16568 KB	Output is correct
31	Correct	62 ms	16560 KB	Output is correct
32	Correct	60 ms	16564 KB	Output is correct
33	Correct	61 ms	16568 KB	Output is correct
34	Correct	66 ms	16564 KB	Output is correct
35	Correct	63 ms	16568 KB	Output is correct
36	Correct	62 ms	16396 KB	Output is correct
37	Correct	62 ms	16568 KB	Output is correct
38	Correct	62 ms	16504 KB	Output is correct
39	Correct	58 ms	16576 KB	Output is correct
40	Correct	61 ms	16568 KB	Output is correct
41	Correct	56 ms	16492 KB	Output is correct
42	Correct	57 ms	16572 KB	Output is correct
43	Correct	79 ms	16568 KB	Output is correct
44	Correct	65 ms	16464 KB	Output is correct
45	Correct	83 ms	16568 KB	Output is correct
46	Correct	67 ms	16568 KB	Output is correct
47	Correct	67 ms	16528 KB	Output is correct
48	Correct	65 ms	16364 KB	Output is correct
49	Correct	68 ms	16460 KB	Output is correct
50	Correct	62 ms	16500 KB	Output is correct
51	Correct	65 ms	16504 KB	Output is correct
52	Correct	58 ms	16568 KB	Output is correct
53	Correct	0 ms	344 KB	Output is correct
54	Correct	65 ms	16680 KB	Output is correct
55	Correct	64 ms	16828 KB	Output is correct
56	Correct	76 ms	17840 KB	Output is correct
57	Correct	108 ms	21160 KB	Output is correct
58	Correct	108 ms	21156 KB	Output is correct
59	Correct	105 ms	21228 KB	Output is correct
60	Correct	82 ms	18852 KB	Output is correct
61	Correct	102 ms	21156 KB	Output is correct
62	Correct	101 ms	21264 KB	Output is correct
63	Correct	64 ms	16824 KB	Output is correct
64	Correct	85 ms	18592 KB	Output is correct
65	Correct	100 ms	21224 KB	Output is correct
66	Correct	99 ms	21160 KB	Output is correct
67	Correct	99 ms	21260 KB	Output is correct
68	Correct	70 ms	16488 KB	Output is correct
69	Correct	97 ms	19364 KB	Output is correct
70	Correct	66 ms	17080 KB	Output is correct
71	Correct	67 ms	16596 KB	Output is correct
72	Correct	72 ms	16572 KB	Output is correct
73	Correct	62 ms	16564 KB	Output is correct
74	Correct	60 ms	16576 KB	Output is correct
75	Correct	59 ms	16464 KB	Output is correct
76	Correct	58 ms	16568 KB	Output is correct
77	Correct	58 ms	16576 KB	Output is correct
78	Correct	69 ms	16820 KB	Output is correct
79	Correct	106 ms	21212 KB	Output is correct
80	Correct	95 ms	17736 KB	Output is correct
81	Correct	106 ms	20304 KB	Output is correct
82	Correct	116 ms	21156 KB	Output is correct
83	Correct	107 ms	21116 KB	Output is correct
84	Correct	111 ms	21160 KB	Output is correct
85	Correct	66 ms	16568 KB	Output is correct
86	Correct	65 ms	16564 KB	Output is correct
87	Correct	68 ms	16548 KB	Output is correct
88	Correct	104 ms	21280 KB	Output is correct
89	Correct	0 ms	348 KB	Output is correct
90	Incorrect	0 ms	348 KB	Output isn't correct
91	Halted	0 ms	0 KB	-

Submission #1030916

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 13.0 / 13.0

Subtask #3 12.0 / 12.0

Subtask #4 13.0 / 13.0

Subtask #5 0 / 8.0

Subtask #6 0 / 18.0

Subtask #7 0 / 24.0

Subtask #1
12.0 / 12.0

Subtask #2
13.0 / 13.0

Subtask #3
12.0 / 12.0

Subtask #4
13.0 / 13.0

Subtask #5
0 / 8.0

Subtask #6
0 / 18.0

Subtask #7
0 / 24.0