답안 #942581

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
942581 2024-03-10T22:53:53 Z MilosMilutinovic 가장 긴 여행 (IOI23_longesttrip) C++17
60 / 100
39 ms 1216 KB
#include "longesttrip.h"
#include<bits/stdc++.h>

#define pb push_back

using namespace std;

//bool con[305][305];

vector<int> longest_trip(int n,int d){
	if(d==3){
		vector<int> ans;
		for(int i=0;i<n;i++) ans.pb(i);
		return ans;
	}
	if(d!=1) return {};
	/*for(int i=0;i<n;i++){
		for(int j=i+1;j<n;j++){
			con[i][j]=con[j][i]=are_connected({i},{j});
		}
	}*/
	vector<int> chn1(1,0),chn2;
	for(int i=1;i<n;i++){
		if(!chn1.empty()&&!chn2.empty()){
			bool ok1=are_connected({i},chn1),ok2=are_connected({i},chn2);
			//for(int v:chn1) ok1=(ok1|con[v][i]);
			//for(int v:chn2) ok2=(ok2|con[v][i]);
			if(ok1&&ok2){
				if(are_connected({i},{chn2[0]})) swap(chn1,chn2);
				swap(chn1[0],chn1.back());
				int l=0,r=chn2.size()-1,p=0;
				while(l<=r){
					int mid=(l+r)/2;
					vector<int> qv;
					for(int j=0;j<=mid;j++) qv.pb(chn2[j]);
					if(are_connected({i},qv)) p=mid,r=mid-1;
					else l=mid+1;
				}
				swap(chn2[p],chn2[0]);
				chn1.pb(i);
				for(int v:chn2) chn1.pb(v);
				chn2.clear();
				continue;
			}
			if(!ok1) chn2.pb(i);
			if(!ok2) chn1.pb(i);
			continue;
		}	
		bool ok=are_connected({i},chn1);
		if(!ok){
			chn2={i};
			continue;
		}
		if(are_connected({i},{chn1[0]})){
			reverse(chn1.begin(),chn1.end());
			chn1.pb(i);
			continue;
		}
		int l=0,r=(int)chn1.size()-1,p=0;
		while(l<=r){
			int mid=(l+r)/2;
			vector<int> qv;
			for(int j=mid;j<(int)chn1.size();j++) qv.pb(chn1[j]);
			if(are_connected({i},qv)) p=mid,l=mid+1; 
			else r=mid-1;
		}
		p=chn1[p];
		while(chn1.back()!=p){
			int x=chn1.back();
			chn1.pop_back();
			reverse(chn1.begin(),chn1.end());
			chn1.pb(x);
			reverse(chn1.begin(),chn1.end());
		}
		chn1.pb(i);
	}
	return chn1.size()>chn2.size()?chn1:chn2;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 6 ms 888 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB Incorrect
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 596 KB Output is correct
2 Correct 10 ms 344 KB Output is correct
3 Correct 10 ms 344 KB Output is correct
4 Correct 16 ms 604 KB Output is correct
5 Correct 18 ms 460 KB Output is correct
6 Correct 9 ms 596 KB Output is correct
7 Correct 12 ms 344 KB Output is correct
8 Correct 10 ms 344 KB Output is correct
9 Correct 13 ms 600 KB Output is correct
10 Correct 19 ms 716 KB Output is correct
11 Correct 17 ms 468 KB Output is correct
12 Correct 17 ms 472 KB Output is correct
13 Correct 22 ms 696 KB Output is correct
14 Correct 8 ms 344 KB Output is correct
15 Correct 9 ms 340 KB Output is correct
16 Correct 14 ms 344 KB Output is correct
17 Correct 15 ms 344 KB Output is correct
18 Correct 16 ms 600 KB Output is correct
19 Correct 19 ms 604 KB Output is correct
20 Correct 19 ms 440 KB Output is correct
21 Correct 23 ms 720 KB Output is correct
22 Correct 24 ms 444 KB Output is correct
23 Correct 22 ms 716 KB Output is correct
24 Correct 23 ms 716 KB Output is correct
25 Correct 8 ms 340 KB Output is correct
26 Correct 6 ms 344 KB Output is correct
27 Correct 9 ms 500 KB Output is correct
28 Correct 10 ms 344 KB Output is correct
29 Correct 8 ms 344 KB Output is correct
30 Correct 12 ms 444 KB Output is correct
31 Correct 11 ms 688 KB Output is correct
32 Correct 11 ms 344 KB Output is correct
33 Correct 12 ms 436 KB Output is correct
34 Correct 12 ms 436 KB Output is correct
35 Correct 12 ms 344 KB Output is correct
36 Correct 20 ms 688 KB Output is correct
37 Correct 19 ms 600 KB Output is correct
38 Correct 22 ms 856 KB Output is correct
39 Correct 19 ms 864 KB Output is correct
40 Correct 17 ms 700 KB Output is correct
41 Correct 18 ms 688 KB Output is correct
42 Correct 23 ms 856 KB Output is correct
43 Correct 18 ms 696 KB Output is correct
44 Correct 19 ms 444 KB Output is correct
45 Correct 13 ms 344 KB Output is correct
46 Correct 10 ms 344 KB Output is correct
47 Correct 17 ms 344 KB Output is correct
48 Correct 14 ms 344 KB Output is correct
49 Correct 20 ms 344 KB Output is correct
50 Correct 21 ms 436 KB Output is correct
51 Correct 16 ms 440 KB Output is correct
52 Correct 16 ms 436 KB Output is correct
53 Correct 25 ms 600 KB Output is correct
54 Correct 25 ms 600 KB Output is correct
55 Correct 22 ms 692 KB Output is correct
56 Correct 29 ms 472 KB Output is correct
57 Correct 36 ms 716 KB Output is correct
58 Correct 34 ms 880 KB Output is correct
59 Correct 25 ms 616 KB Output is correct
60 Correct 21 ms 708 KB Output is correct
61 Correct 39 ms 700 KB Output is correct
62 Correct 22 ms 948 KB Output is correct
63 Correct 22 ms 696 KB Output is correct
64 Correct 24 ms 948 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 8 ms 344 KB Output is correct
3 Correct 11 ms 600 KB Output is correct
4 Correct 14 ms 604 KB Output is correct
5 Partially correct 20 ms 716 KB Output is partially correct
6 Correct 10 ms 344 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 10 ms 344 KB Output is correct
9 Correct 12 ms 440 KB Output is correct
10 Partially correct 21 ms 472 KB Output is partially correct
11 Partially correct 18 ms 1136 KB Output is partially correct
12 Partially correct 23 ms 868 KB Output is partially correct
13 Partially correct 17 ms 468 KB Output is partially correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 7 ms 340 KB Output is correct
16 Correct 18 ms 344 KB Output is correct
17 Correct 16 ms 344 KB Output is correct
18 Correct 17 ms 344 KB Output is correct
19 Correct 18 ms 604 KB Output is correct
20 Correct 17 ms 436 KB Output is correct
21 Correct 7 ms 344 KB Output is correct
22 Correct 8 ms 344 KB Output is correct
23 Correct 8 ms 344 KB Output is correct
24 Correct 8 ms 344 KB Output is correct
25 Correct 9 ms 344 KB Output is correct
26 Correct 11 ms 436 KB Output is correct
27 Correct 10 ms 432 KB Output is correct
28 Correct 11 ms 344 KB Output is correct
29 Correct 12 ms 444 KB Output is correct
30 Correct 12 ms 440 KB Output is correct
31 Correct 12 ms 344 KB Output is correct
32 Correct 11 ms 344 KB Output is correct
33 Correct 14 ms 344 KB Output is correct
34 Correct 14 ms 344 KB Output is correct
35 Correct 16 ms 432 KB Output is correct
36 Correct 17 ms 344 KB Output is correct
37 Partially correct 23 ms 432 KB Output is partially correct
38 Correct 15 ms 432 KB Output is correct
39 Correct 14 ms 440 KB Output is correct
40 Partially correct 24 ms 436 KB Output is partially correct
41 Partially correct 25 ms 600 KB Output is partially correct
42 Partially correct 24 ms 436 KB Output is partially correct
43 Partially correct 28 ms 968 KB Output is partially correct
44 Partially correct 23 ms 1136 KB Output is partially correct
45 Partially correct 25 ms 968 KB Output is partially correct
46 Partially correct 24 ms 720 KB Output is partially correct
47 Partially correct 17 ms 464 KB Output is partially correct
48 Partially correct 18 ms 624 KB Output is partially correct
49 Partially correct 17 ms 716 KB Output is partially correct
50 Partially correct 17 ms 704 KB Output is partially correct
51 Partially correct 17 ms 696 KB Output is partially correct
52 Partially correct 20 ms 856 KB Output is partially correct
53 Partially correct 19 ms 608 KB Output is partially correct
54 Partially correct 19 ms 600 KB Output is partially correct
55 Partially correct 21 ms 700 KB Output is partially correct
56 Partially correct 17 ms 712 KB Output is partially correct
57 Partially correct 18 ms 964 KB Output is partially correct
58 Partially correct 20 ms 456 KB Output is partially correct
59 Partially correct 18 ms 700 KB Output is partially correct
60 Partially correct 17 ms 440 KB Output is partially correct
61 Partially correct 17 ms 700 KB Output is partially correct
62 Partially correct 32 ms 464 KB Output is partially correct
63 Partially correct 39 ms 864 KB Output is partially correct
64 Partially correct 30 ms 692 KB Output is partially correct
65 Partially correct 24 ms 944 KB Output is partially correct
66 Partially correct 27 ms 704 KB Output is partially correct
67 Partially correct 36 ms 720 KB Output is partially correct
68 Partially correct 28 ms 712 KB Output is partially correct
69 Partially correct 22 ms 696 KB Output is partially correct
70 Partially correct 28 ms 716 KB Output is partially correct
71 Partially correct 38 ms 1216 KB Output is partially correct
72 Partially correct 33 ms 724 KB Output is partially correct
73 Partially correct 37 ms 692 KB Output is partially correct
74 Partially correct 25 ms 708 KB Output is partially correct
75 Partially correct 27 ms 1108 KB Output is partially correct
76 Partially correct 26 ms 716 KB Output is partially correct
77 Partially correct 30 ms 464 KB Output is partially correct
78 Partially correct 36 ms 440 KB Output is partially correct
79 Partially correct 31 ms 716 KB Output is partially correct
80 Partially correct 28 ms 700 KB Output is partially correct
81 Partially correct 24 ms 464 KB Output is partially correct
82 Partially correct 29 ms 464 KB Output is partially correct