Submission #568740

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
568740	2022-05-26T06:50:43 Z	errorgorn	Reconstruction Project (JOI22_reconstruction)	C++17	7 / 100	5000 ms	13200 KB

reconstruction

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

#define ii pair<int,int>
#define fi first
#define se second
#define endl '\n'

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound

#define rep(x,s,e) for (int x=(s)-((s)>(e));x!=(e)-((s)>(e));((s)<(e))?x++:x--)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

struct UFDS{
	int p[505];
	int r[505];
	
	void reset(){ rep(x,0,505) p[x]=x,r[x]=0; }
	
	int par(int i){
		if (p[i]==i) return i;
		else return p[i]=par(p[i]);
	}
	
	bool unions(int i,int j){
		i=par(i),j=par(j);
		if (i==j) return false;
		
		if (r[i]<r[j]) swap(i,j);
		p[i]=j;
		if (r[i]==r[j]) r[j]++;
		
		return true;
	}
} ufds;

int n,m,q;
struct E{
	int u,v;
	int w;
};

E ee[100005];

int qu[1000005];
int split[1000005];
long long ans[1000005];

signed main(){
	cin.tie(0);
	cout.tie(0);
	cin.sync_with_stdio(false);
	
	cin>>n>>m;
	rep(x,0,m) cin>>ee[x].u>>ee[x].v>>ee[x].w;
	
	sort(ee,ee+m,[](E i,E j){
		return i.w<j.w;
	});
	
	cin>>q;
	rep(x,0,q) cin>>qu[x];
	
	split[0]=0;
	rep(x,0,q){
		while (split[x]<m && ee[split[x]].w<=qu[x]) split[x]++;
		split[x+1]=split[x];
	}
	
	rep(x,0,q){
		ufds.reset();
		int idx1=split[x]-1,idx2=split[x];
		
		int num=0;
		long long ans=0;
		
		while (num<n-1){
			if (idx2==m || (idx1!=-1 && qu[x]-ee[idx1].w<=ee[idx2].w-qu[x])){
				if (ufds.unions(ee[idx1].u,ee[idx1].v)){
					ans+=qu[x]-ee[idx1].w;
					num++;
				}
				idx1--;
			}
			else{
				if (ufds.unions(ee[idx2].u,ee[idx2].v)){
					ans+=ee[idx2].w-qu[x];
					num++;
				}
				idx2++;				
			}
		}
		
		cout<<ans<<endl;
	}
}

Subtask #1
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	352 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct

Subtask #2
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	352 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	33 ms	1500 KB	Output is correct
21	Correct	39 ms	1472 KB	Output is correct
22	Correct	34 ms	1412 KB	Output is correct
23	Correct	33 ms	1472 KB	Output is correct
24	Correct	33 ms	1492 KB	Output is correct
25	Correct	31 ms	1516 KB	Output is correct
26	Correct	30 ms	1524 KB	Output is correct
27	Correct	29 ms	1516 KB	Output is correct
28	Correct	38 ms	1428 KB	Output is correct
29	Correct	36 ms	1504 KB	Output is correct
30	Correct	33 ms	1504 KB	Output is correct
31	Correct	29 ms	1504 KB	Output is correct
32	Correct	30 ms	1456 KB	Output is correct
33	Correct	31 ms	1448 KB	Output is correct
34	Correct	25 ms	1440 KB	Output is correct
35	Correct	28 ms	1496 KB	Output is correct

Subtask #3
0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Execution timed out	5030 ms	10508 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #4
0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	352 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Execution timed out	5055 ms	13200 KB	Time limit exceeded
21	Halted	0 ms	0 KB	-

Subtask #5
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	352 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	33 ms	1500 KB	Output is correct
21	Correct	39 ms	1472 KB	Output is correct
22	Correct	34 ms	1412 KB	Output is correct
23	Correct	33 ms	1472 KB	Output is correct
24	Correct	33 ms	1492 KB	Output is correct
25	Correct	31 ms	1516 KB	Output is correct
26	Correct	30 ms	1524 KB	Output is correct
27	Correct	29 ms	1516 KB	Output is correct
28	Correct	38 ms	1428 KB	Output is correct
29	Correct	36 ms	1504 KB	Output is correct
30	Correct	33 ms	1504 KB	Output is correct
31	Correct	29 ms	1504 KB	Output is correct
32	Correct	30 ms	1456 KB	Output is correct
33	Correct	31 ms	1448 KB	Output is correct
34	Correct	25 ms	1440 KB	Output is correct
35	Correct	28 ms	1496 KB	Output is correct
36	Correct	1038 ms	1900 KB	Output is correct
37	Execution timed out	5073 ms	1812 KB	Time limit exceeded
38	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	352 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	33 ms	1500 KB	Output is correct
21	Correct	39 ms	1472 KB	Output is correct
22	Correct	34 ms	1412 KB	Output is correct
23	Correct	33 ms	1472 KB	Output is correct
24	Correct	33 ms	1492 KB	Output is correct
25	Correct	31 ms	1516 KB	Output is correct
26	Correct	30 ms	1524 KB	Output is correct
27	Correct	29 ms	1516 KB	Output is correct
28	Correct	38 ms	1428 KB	Output is correct
29	Correct	36 ms	1504 KB	Output is correct
30	Correct	33 ms	1504 KB	Output is correct
31	Correct	29 ms	1504 KB	Output is correct
32	Correct	30 ms	1456 KB	Output is correct
33	Correct	31 ms	1448 KB	Output is correct
34	Correct	25 ms	1440 KB	Output is correct
35	Correct	28 ms	1496 KB	Output is correct
36	Correct	1 ms	340 KB	Output is correct
37	Correct	0 ms	340 KB	Output is correct
38	Correct	0 ms	340 KB	Output is correct
39	Execution timed out	5030 ms	10508 KB	Time limit exceeded
40	Halted	0 ms	0 KB	-

Submission #568740

Compilation message

Subtask #1 3.0 / 3.0

Subtask #2 4.0 / 4.0

Subtask #3 0 / 7.0

Subtask #4 0 / 28.0

Subtask #5 0 / 35.0

Subtask #6 0 / 23.0

Subtask #1
3.0 / 3.0

Subtask #2
4.0 / 4.0

Subtask #3
0 / 7.0

Subtask #4
0 / 28.0

Subtask #5
0 / 35.0

Subtask #6
0 / 23.0