Submission #569916

#	Time	Username	Problem	Language	Result	Execution time	Memory
569916		Edil	Road Closures (APIO21_roads)	C++17	Compilation error	0 ms	0 KiB

roads

#include <bits/stdc++.h>
using namespace std;
vector <int> minimum_closure_costs(int n, int u[], int v[], int w[])
{
    vector <int> ans;
    int sm = 0;
    int w2[n-1];
    for(int i = 0; i < n-1; i++)
        w2[i] = w[i];
    for(int i = 0; i < n-1; i++)
    {
        sm += w[i];
        ans.push_back(sm);
    }
    reverse(ans.begin(), ans.end());
    ans.push_back(0);
    return ans;
}

Compilation message (stderr)

roads.cpp: In function 'std::vector<int> minimum_closure_costs(int, int*, int*, int*)':
roads.cpp:7:9: warning: variable 'w2' set but not used [-Wunused-but-set-variable]
    7 |     int w2[n-1];
      |         ^~
/usr/bin/ld: /tmp/cc2LJR8V.o: in function `main':
grader.cpp:(.text.startup+0x277): undefined reference to `minimum_closure_costs(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status