Submission #1177125

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1177125	2025-04-01 09:55:50	alexander707070	Longest Trip (IOI23_longesttrip)	C++20	15 / 100	4 ms	416 KiB

longesttrip

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#include<bits/stdc++.h>
#include "longesttrip.h"
using namespace std;
int n,d;
vector<int> l,r;
bool query(vector<int> a,vector<int> b){
    return are_connected(a,b);
}
vector<int> longest_trip(int N, int D){
    n=N; d=D;
    l.clear(); r.clear();
    l.push_back(0);
    if(query({0},{1})){
        l.push_back(1);
    }else{
        r.push_back(1);
    }
    for(int i=2;i<n;i++){
        if(query({l.back()},{i})){
            l.push_back(i);
            if(!r.empty() and query({r.back()},{i})){
 
 
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Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:66:20: warning: division by zero [-Wdiv-by-zero]
   66 |             cout<<1/0;
      |                   ~^~

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 25
• Subtask 4: 0 / 60