Submission #979698

#	Time	Username	Problem	Language	Result	Execution time	Memory
979698		Marcus	Swapping Cities (APIO20_swap)	C++17	Compilation error	0 ms	0 KiB

swap

//#include <swap.h>
#include <bits/stdc++.h>
using namespace std;
int n, m;
vector<vector<pair<int, int>>> adj;
vector<bool> visited;

void init(int n1, int m1, int v[], int u[], int w[]) {
	n = n1;
	m = m1;
	adj.resize(n+1);
	visited.resize(n+1);
	for (int i=0; i<m; i++)
	{
		adj[v[i]].push_back({u[i], w[i]});
		adj[u[i]].push_back({v[i], w[i]});
	}
}

bool cycle = false;
int gas = 0;
void dfs(int s, int v)
{
	if (visited[s]) return;
	visited[s] = true;
	for (auto u: adj[s])
	{
		if (visited[u.first] && u.first != v) cycle = true;
		gas = max(gas, u.second);
		dfs(u.first, s);
	}
}

int getMinimumFuelCapacity(int x, int y){
	dfs(1, 0);
	return (cycle ? gas : -1);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cck5owIH.o: in function `main':
grader.cpp:(.text.startup+0x1c3): undefined reference to `init(int, 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