Submission #1059648

#	Time	Username	Problem	Language	Result	Execution time	Memory
1059648		tolbi	Longest Trip (IOI23_longesttrip)	C++17	Compilation error	0 ms	0 KiB

longesttrip

#include "longesttrip.h"

//bool are_connected(std::vector<int> A, std::vector<int> B);
bool sor(int x, int y){
    std::vector<int> ilk;
    std::vector<int> iki;
    ilk.push_back(x);
    iki.push_back(y);
}
std::vector<int> longest_trip(int N, int D)
{
    vector<int> ans;
    ans.push_back(0);
    vector<bool> vis(N,false);
    vis[0]=true;
    while (ans.size()<N){
        for (int i = 0; i < N; i++){
            if (sor(ans.back(),i)){
                ans.push_back(i);
                vis[i]=true;
                break;
            }
        }
    }
    return ans;
}

Compilation message (stderr)

longesttrip.cpp: In function 'bool sor(int, int)':
longesttrip.cpp:9:1: warning: no return statement in function returning non-void [-Wreturn-type]
    9 | }
      | ^
longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:12:5: error: 'vector' was not declared in this scope
   12 |     vector<int> ans;
      |     ^~~~~~
longesttrip.cpp:12:5: note: suggested alternatives:
In file included from /usr/include/c++/10/vector:67,
                 from longesttrip.h:1,
                 from longesttrip.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note:   'std::vector'
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
In file included from longesttrip.h:1,
                 from longesttrip.cpp:1:
/usr/include/c++/10/vector:86:13: note:   'std::pmr::vector'
   86 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
longesttrip.cpp:12:12: error: expected primary-expression before 'int'
   12 |     vector<int> ans;
      |            ^~~
longesttrip.cpp:13:5: error: 'ans' was not declared in this scope
   13 |     ans.push_back(0);
      |     ^~~
longesttrip.cpp:14:12: error: expected primary-expression before 'bool'
   14 |     vector<bool> vis(N,false);
      |            ^~~~
longesttrip.cpp:15:5: error: 'vis' was not declared in this scope
   15 |     vis[0]=true;
      |     ^~~