Submission #829953

#	Time	Username	Problem	Language	Result	Execution time	Memory
829953		vqpahmad	Stray Cat (JOI20_stray)	C++14	Compilation error	0 ms	0 KiB

Anthony

#include<bits/stdc++.h>
#include "Anthony.h"
using namespace std;
#define int long long 
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
#define endl '\n'
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
const int mod = 1e9 + 7;
const int N = 1e6 + 15;
const ll inf = 1e18;

namespace {
	int X[N];
	vector<pii> adj[N];

}  // namespace

void dfs(int node, int par, int cur){
	for (auto it : adj[node]){
		if (it.F == node) continue;
		X[it.S] = (cur+1)%3;
		dfs(it.F, node, X[it.S]);
	}
}
vector<int> Mark(int N, int M, int A, int B, vector<int> U, vector<int> V) {
	vector<int> x(M);
	for (int i=0;i<M;i++){
		adj[U[i]].pb({V[i],i});
		adj[V[i]].pb({U[i],i});
	}
	dfs(1,0,-1);
	for (int i=0;i<M;i++){
		x[i] = X[i];
	}
	return x;
}

namespace {

int A, B;
int variable_example = 0;

}  // namespace

void Init(int A, int B) {
  ::A = A;
  ::B = B;
}

int Move(std::vector<int> y) {
	if (y[0]&&y[1]) return 0;
	if (y[1]&&y[2]) return 1;
	if (y[2]&&y[0]) return 2;
}

Catherine

Compilation message (stderr)

Anthony.cpp: In function 'long long int Move(std::vector<long long int>)':
Anthony.cpp:59:1: warning: control reaches end of non-void function [-Wreturn-type]
   59 | }
      | ^
Anthony.cpp: At global scope:
Anthony.cpp:46:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
   46 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccJohMBO.o: in function `main':
grader_anthony.cpp:(.text.startup+0x191): undefined reference to `Mark(int, int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status

/usr/bin/ld: /tmp/ccuWrJAA.o: in function `main':
grader_catherine.cpp:(.text.startup+0x41c): undefined reference to `Init(int, int)'
/usr/bin/ld: grader_catherine.cpp:(.text.startup+0xcfa): undefined reference to `Move(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status