Submission #1201542

#	Time	Username	Problem	Language	Result	Execution time	Memory
1201542		mr_junk	Swapping Cities (APIO20_swap)	C++17	Compilation error	0 ms	0 KiB

swap

#include "swap.h"
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int NN=1e2+60,N=1e6+70,MOD=1e9+7,inf=1e18+7,pr1=420,K=(int)(sqrt(2e5));
vector<pair<int,int>> g[N];
int used[N];
int mx,check;
int getMinimumFuelCapacity(int X, int Y) {
	if (check)return mx;
  return -1;
}
void dfs(int v){
	if (check){
		return;
	}
	used[v]=1;
	for(auto it : g[v]){
		if (used[it.first]==1){
			check=true;
		}else{
			dfs(it.first);
		}
	}used[v]=2;
}
void init(int N, int M,
          std::vector<int> U, std::vector<int> V, std::vector<int> W) {
        
	for(int i=0;i<M;i++){
		g[U[i]].push_back({V[i],W[i]});
		g[V[i]].push_back({U[i],W[i]});
		mx=max(mx,W[i]);
	}dfs(1);

}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc6A6KGh.o: in function `main':
grader.cpp:(.text.startup+0x1f4): undefined reference to `init(int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
/usr/bin/ld: grader.cpp:(.text.startup+0x24a): undefined reference to `getMinimumFuelCapacity(int, int)'
collect2: error: ld returned 1 exit status