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답안 #848576

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
848576 2023-09-13T00:27:43 Z Edu175 가장 긴 여행 (IOI23_longesttrip) C++17
70 / 100
 18 ms 872 KB 
#include "longesttrip.h"
#include <bits/stdc++.h>
#define pb push_back
#define fst first
#define snd second
#define fore(i,a,b) for(ll i=a,ggdem=b;i<ggdem;++i)
#define SZ(x) ((int)x.size())
#define ALL(x) x.begin(),x.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define FIN ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define imp(v) for(auto messi:v)cout<<messi<<" "; cout<<"\n"
using namespace std;
typedef int ll;
typedef pair<ll,ll> ii;
#define ask are_connected

ll n,d;

ll find(vector<ll>&a,vector<ll>&b){
	vector<ll>pre;
	fore(i,0,SZ(a)){
		pre.pb(a[i]);
		if(ask(b,pre))return i;
	}
	/*ll l=0,r=SZ(a)-1;
	while(l<=r){
		ll m=(l+r)/2;
		vector<ll>pre;
		fore(i,0,m+1)pre.pb(a[i]);
		if(ask(b,pre))r=m-1;
		else l=m+1;
	}
	return l;*/
}

vector<ll> rot(vector<ll>a, ll d){ // <--
	ll n=SZ(a);
	vector<ll>ai(n);
	fore(i,0,n)ai[i]=a[(i+d)%n];
	return ai;
}

vector<int> longest_trip(int N, int D){
	n=N,d=D;
	//vector<ll>tr={0,1,2,3,4,5};
	//imp(tr); imp(rot(tr,2));
	vector<vector<ll>>h;
	h.pb({0});
	h.pb({1});
	fore(x,2,n){
		if(ask({h[0].back()},{x}))h[0].pb(x);
		else if(ask({h[1].back()},{x}))h[1].pb(x);
		else {
			while(SZ(h[1]))h[0].pb(h[1].back()),h[1].pop_back();
			h[1]={x};
		}
	}
	/*if(SZ(h[0])>SZ(h[1]))return h[0];
	else return h[1];*/
	//imp(h[0]); imp(h[1]);
	if(ask({h[0].back()},{h[1][0]}));//cout<<"db0\n";
	else if(ask({h[0].back()},{h[1].back()}))reverse(ALL(h[1]));//,cout<<"db1\n";
	else if(ask({h[0][0]},{h[1][0]}))reverse(ALL(h[0]));//,cout<<"db2\n";
	else if(ask({h[0][0]},{h[1].back()}))
		reverse(ALL(h[0])),reverse(ALL(h[1]));//,cout<<"db3\n";
	else {
		if(!ask(h[0],h[1])){
			//cout<<"db4\n";
			if(SZ(h[0])>SZ(h[1]))return h[0];
			else return h[1];
		}
		//assert(0);
		/*cout<<"DEBUG\n";
		imp(h[0]); imp(h[1]);*/
		
		ll x=find(h[0],h[1]);
		vector<ll>fi={h[0][x]};
		ll y=find(h[1],fi);
		//assert(ask({h[0][x]}))
		//cout<<x<<" "<<y<<"\n";
		h[0]=rot(h[0],x+1),h[1]=rot(h[1],y);
		//imp(h[0]); imp(h[1]);
		//cout<<"END\n";
		//fore(i,0,SZ(h[0])-1)
	}
	for(auto i:h[1])h[0].pb(i);
	h[1].clear();
	return h[0];
}

Compilation message

longesttrip.cpp: In function 'll find(std::vector<int>&, std::vector<int>&)':
longesttrip.cpp:20:12: warning: control reaches end of non-void function [-Wreturn-type]
   20 |  vector<ll>pre;
      |            ^~~

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 4 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 5 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 8 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 5 ms 608 KB Output is correct
6 Correct 8 ms 596 KB Output is correct
7 Correct 8 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 4 ms 600 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 14 ms 344 KB Output is correct
15 Correct 11 ms 596 KB Output is correct
16 Correct 7 ms 344 KB Output is correct
17 Correct 10 ms 424 KB Output is correct
18 Correct 9 ms 344 KB Output is correct
19 Correct 6 ms 440 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 5 ms 344 KB Output is correct
22 Correct 5 ms 344 KB Output is correct
23 Correct 5 ms 596 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 10 ms 344 KB Output is correct
26 Correct 11 ms 344 KB Output is correct
27 Correct 8 ms 596 KB Output is correct
28 Correct 10 ms 344 KB Output is correct
29 Correct 13 ms 344 KB Output is correct
30 Correct 5 ms 344 KB Output is correct
31 Correct 6 ms 344 KB Output is correct
32 Correct 7 ms 344 KB Output is correct
33 Correct 5 ms 344 KB Output is correct
34 Correct 5 ms 596 KB Output is correct
35 Correct 5 ms 344 KB Output is correct
36 Correct 5 ms 344 KB Output is correct
37 Correct 5 ms 344 KB Output is correct
38 Correct 5 ms 600 KB Output is correct
39 Correct 6 ms 344 KB Output is correct
40 Correct 7 ms 600 KB Output is correct
41 Correct 7 ms 344 KB Output is correct
42 Correct 6 ms 600 KB Output is correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 8 ms 344 KB Output is correct
45 Correct 8 ms 344 KB Output is correct
46 Correct 8 ms 344 KB Output is correct
47 Correct 8 ms 344 KB Output is correct
48 Correct 9 ms 344 KB Output is correct
49 Correct 10 ms 344 KB Output is correct
50 Correct 7 ms 432 KB Output is correct
51 Correct 10 ms 436 KB Output is correct
52 Correct 11 ms 440 KB Output is correct
53 Correct 8 ms 600 KB Output is correct
54 Correct 8 ms 600 KB Output is correct
55 Correct 8 ms 600 KB Output is correct
56 Correct 9 ms 872 KB Output is correct
57 Correct 9 ms 712 KB Output is correct
58 Correct 13 ms 708 KB Output is correct
59 Correct 18 ms 704 KB Output is correct
60 Correct 15 ms 444 KB Output is correct
61 Correct 9 ms 444 KB Output is correct
62 Correct 16 ms 604 KB Output is correct
63 Correct 12 ms 856 KB Output is correct
64 Correct 15 ms 700 KB Output is correct

Subtask #4
30.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 4 ms 596 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 4 ms 596 KB Output is correct
6 Correct 7 ms 340 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 6 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 15 ms 344 KB Output is correct
15 Correct 9 ms 344 KB Output is correct
16 Correct 7 ms 344 KB Output is correct
17 Correct 6 ms 600 KB Output is correct
18 Correct 5 ms 344 KB Output is correct
19 Correct 5 ms 436 KB Output is correct
20 Correct 5 ms 344 KB Output is correct
21 Correct 11 ms 344 KB Output is correct
22 Correct 14 ms 344 KB Output is correct
23 Correct 7 ms 344 KB Output is correct
24 Correct 7 ms 344 KB Output is correct
25 Correct 11 ms 344 KB Output is correct
26 Correct 5 ms 344 KB Output is correct
27 Correct 6 ms 344 KB Output is correct
28 Correct 7 ms 344 KB Output is correct
29 Correct 6 ms 344 KB Output is correct
30 Correct 5 ms 344 KB Output is correct
31 Correct 5 ms 344 KB Output is correct
32 Correct 10 ms 596 KB Output is correct
33 Correct 7 ms 344 KB Output is correct
34 Correct 10 ms 344 KB Output is correct
35 Correct 7 ms 344 KB Output is correct
36 Correct 10 ms 344 KB Output is correct
37 Correct 7 ms 432 KB Output is correct
38 Correct 11 ms 436 KB Output is correct
39 Correct 10 ms 440 KB Output is correct
40 Correct 8 ms 856 KB Output is correct
41 Correct 8 ms 600 KB Output is correct
42 Correct 8 ms 600 KB Output is correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 5 ms 344 KB Output is correct
45 Correct 5 ms 344 KB Output is correct
46 Correct 5 ms 344 KB Output is correct
47 Correct 5 ms 344 KB Output is correct
48 Correct 4 ms 344 KB Output is correct
49 Correct 5 ms 344 KB Output is correct
50 Correct 5 ms 344 KB Output is correct
51 Partially correct 6 ms 344 KB Output is partially correct
52 Correct 7 ms 344 KB Output is correct
53 Correct 6 ms 344 KB Output is correct
54 Correct 6 ms 596 KB Output is correct
55 Correct 7 ms 344 KB Output is correct
56 Correct 5 ms 344 KB Output is correct
57 Partially correct 6 ms 344 KB Output is partially correct
58 Partially correct 6 ms 344 KB Output is partially correct
59 Partially correct 7 ms 344 KB Output is partially correct
60 Correct 6 ms 344 KB Output is correct
61 Correct 7 ms 344 KB Output is correct
62 Partially correct 10 ms 456 KB Output is partially correct
63 Partially correct 9 ms 708 KB Output is partially correct
64 Partially correct 15 ms 872 KB Output is partially correct
65 Partially correct 16 ms 708 KB Output is partially correct
66 Partially correct 16 ms 600 KB Output is partially correct
67 Partially correct 11 ms 688 KB Output is partially correct
68 Partially correct 15 ms 600 KB Output is partially correct
69 Partially correct 12 ms 604 KB Output is partially correct
70 Partially correct 15 ms 860 KB Output is partially correct
71 Partially correct 10 ms 448 KB Output is partially correct
72 Partially correct 13 ms 700 KB Output is partially correct
73 Partially correct 12 ms 864 KB Output is partially correct
74 Partially correct 13 ms 696 KB Output is partially correct
75 Partially correct 11 ms 448 KB Output is partially correct
76 Partially correct 14 ms 856 KB Output is partially correct
77 Partially correct 14 ms 800 KB Output is partially correct
78 Partially correct 13 ms 712 KB Output is partially correct
79 Partially correct 9 ms 696 KB Output is partially correct
80 Partially correct 10 ms 700 KB Output is partially correct
81 Partially correct 13 ms 856 KB Output is partially correct
82 Partially correct 11 ms 436 KB Output is partially correct