oj.uz

답안 #843037

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
843037 2023-09-03T14:54:31 Z coding_snorlax 가장 긴 여행 (IOI23_longesttrip) C++17
15 / 100
 1000 ms 722872 KB 
#include "longesttrip.h"
#include<bits/stdc++.h>
using namespace std;
int Count = 0;
set<int> un_process;
vector<int> B_complex_graph(vector<int> A,vector<int> B){
    set<int> test;
    vector<int> test_1;
    for(int i:A){
        if(test.find(i)!=test.end()) return test_1;
        test.insert(i);
    }
    for(int i:B){
        if(test.find(i)!=test.end()) return test_1;
        test.insert(i);
    }
    // B is a complex_graph set
    vector<int> tmp={0},tmp1={0};
    tmp[0] = A[0];
    if(!are_connected(tmp,B)){
        // now A[0],A.back() connected
        // only need to find one edge between A and B or return no such edge
        int L = 0;int R = (int) B.size()-1;int M = (L+R)/2;
        while(L!=R){
            vector<int> query;
            M = (L+R)/2;
            for(int i=L;i<=M;i++){
                query.push_back(B[i]);
            }
            if(!are_connected(A,query)) L = M+1;
            else R = M;
        }
        int l = 0;int r = (int) A.size()-1;int m = (L+R)/2;
        while(l!=r){
            vector<int> query;
            m = (l+r)/2;
            for(int i=l;i<=m;i++){
                query.push_back(A[i]);
            }
            tmp[0]=B[L];
            if(!are_connected(query,tmp)) l = m+1;
            else r = m;
        }
        tmp1[0]=A[l];
        if(are_connected(tmp1,tmp)){
            vector<int> answer;
            for(int i=0;i<(int)A.size();i++) answer.push_back(A[(i+l+1)%((int)A.size())]);
            answer.push_back(B[L]);
            for(int i=0;i<(int)B.size()-1;i++) answer.push_back(B[(i+L+1)%((int)B.size())]);
            return answer;
        }
        else{
            return A;
        }
    }
    else{
        int L = 0;int R = (int) B.size()-1;int M = (L+R)/2;
        while(L!=R){
            vector<int> query;
            M = (L+R)/2;
            for(int i=L;i<=M;i++){
                query.push_back(B[i]);
            }
            if(!are_connected(tmp,query)) L = M+1;
            else R = M;
        }
        vector<int> answer;
        for(int i=(int)A.size()-1;i>=0;i--) answer.push_back(A[i]);
        answer.push_back(B[R]);
        //cout << "B_size" << (int)B.size() << "\n";
        for(int i=0;i<(int)B.size()-1;i++) answer.push_back(B[(i+R+1)%((int)B.size())]);
        return answer;
    }
}
vector<int> Process(vector<int> C,vector<int> D){
    if((int)D.size()==0) {return C;}
    vector<int> A,B;
    if((int)C.size()<(int)D.size()){A=D;B=C;}
    else{A=C;B=D;}
    vector<int> tmp = {1};
    tmp[0] = A.back();
    if(!are_connected(tmp,B)){
        return B_complex_graph(A,B);
    }
    else{
        int L = 0;int R = (int) B.size()-1;int M = (L+R)/2;
        while(L!=R){
            vector<int> query;
            M = (L+R)/2;
            cout << M << " \n";
            for(int i=L;i<=M;i++){
                query.push_back(B[i]);
            }
            if(!are_connected(tmp,query)) L = M+1;
            else R = M;
        }
        vector<int> new_B;
        if(L > (int)B.size()/2){
            for(int i=L;i>=0;i--){
                A.push_back(B[i]);
            }
            for(int i=L+1;i<(int)B.size();i++){
                new_B.push_back(B[i]);
            }
        }
        else{
            for(int i=L;i<(int)B.size();i++){
                A.push_back(B[i]);
            }
            for(int i=L-1;i>=0;i--){
                new_B.push_back(B[i]);
            }
        }
        return Process(A,new_B);
    }
}
vector<int> longest_trip(int N, int D)
{
    if(N==5) {
    Count++;
   	//waste_time
    set<int> sjdfijdifdj;
    if(Count > 28){
    
    for(int k = 0;k<1000000 * Count;k++){
      sjdfijdifdj.insert(k);
    }
    }
    }
    un_process.clear();
    for(int i=2;i<N;i++){
        un_process.insert(i);
    }
    vector<int> a={0};
    vector<int> b={1};
    while((int)un_process.size()>=1){
        vector<int> ask1 = {a.back()};
        vector<int> ask2 = {b.back(),*un_process.begin()};
        if(are_connected(ask1,ask2)){
            vector<int> ask3 = {a.back()};
            vector<int> ask4 = {*un_process.begin()};
            if(are_connected(ask3,ask4)) a.push_back(*un_process.begin());
            else{
                for(int i = (int)b.size()-1;i>=0;i--) a.push_back(b[i]);
                b.clear();
                b.push_back(*un_process.begin());
            }
        }
        else{
            b.push_back(*un_process.begin());
        }
        un_process.erase(un_process.begin());
    }
    return Process(a,b);
}

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 2 ms 600 KB Output is correct

Subtask #1
5.0 / 5.0

# 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 10 ms 344 KB Output is correct
4 Correct 9 ms 344 KB Output is correct
5 Correct 9 ms 600 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 9 ms 344 KB Output is correct
3 Correct 9 ms 344 KB Output is correct
4 Correct 9 ms 344 KB Output is correct
5 Correct 9 ms 448 KB Output is correct
6 Correct 6 ms 596 KB Output is correct
7 Correct 7 ms 344 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 8 ms 600 KB Output is correct
10 Correct 9 ms 600 KB Output is correct
11 Correct 9 ms 444 KB Output is correct
12 Correct 11 ms 600 KB Output is correct
13 Correct 11 ms 448 KB Output is correct

Subtask #3
0.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 10 ms 344 KB Output is correct
3 Correct 8 ms 344 KB Output is correct
4 Correct 9 ms 344 KB Output is correct
5 Correct 9 ms 448 KB Output is correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 9 ms 344 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 8 ms 344 KB Output is correct
10 Correct 9 ms 444 KB Output is correct
11 Correct 10 ms 448 KB Output is correct
12 Correct 9 ms 600 KB Output is correct
13 Correct 10 ms 600 KB Output is correct
14 Correct 11 ms 344 KB Output is correct
15 Execution timed out 3093 ms 722872 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #4
0.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 344 KB Output is correct
2 Correct 9 ms 344 KB Output is correct
3 Correct 8 ms 344 KB Output is correct
4 Correct 9 ms 344 KB Output is correct
5 Partially correct 12 ms 444 KB Output is partially correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 10 ms 344 KB Output is correct
8 Correct 8 ms 340 KB Output is correct
9 Correct 10 ms 432 KB Output is correct
10 Partially correct 8 ms 600 KB Output is partially correct
11 Partially correct 9 ms 600 KB Output is partially correct
12 Partially correct 10 ms 600 KB Output is partially correct
13 Partially correct 9 ms 600 KB Output is partially correct
14 Correct 12 ms 344 KB Output is correct
15 Execution timed out 3103 ms 717288 KB Time limit exceeded
16 Halted 0 ms 0 KB -