Submission #1132698

#	Time	Username	Problem	Language	Result	Execution time	Memory
1132698		SpyrosAliv	Longest Trip (IOI23_longesttrip)	C++20	Compilation error	0 ms	0 KiB

longesttrip

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

bool are_connected(vector<int> a, vector<int> b);

vector<int> longest_trip(int n, int d) {
    if (d == 3) {
        vector<int> ans;
        for (int i = 0; i < n; i++) ans.push_back(i);
        return ans;
    }
    else if (d == 2) {
        vector<int> ans;
        ans.push_back(0);
        for (int i = 0; i < n-1; i++) {
            bool x = are_connected({i}, {i+1});
            if (x) {
                ans.push_back(i+1);
                continue;
            }
            else {
                ans.push_back(i+2);
                ans.push_back(i+1);
                i++;
            }
        }
    }
    return {};
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccHGm4uR.o: in function `longest_trip(long long, long long)':
longesttrip.cpp:(.text+0x1e6): undefined reference to `are_connected(std::vector<long long, std::allocator<long long> >, std::vector<long long, std::allocator<long long> >)'
/usr/bin/ld: /tmp/cc2j3xhi.o: in function `main':
stub.cpp:(.text.startup+0xa8): undefined reference to `longest_trip(int, int)'
collect2: error: ld returned 1 exit status