Submission #1343160

#	Time	Username	Problem	Language	Result	Execution time	Memory
1343160		po_rag526	게임 (IOI14_game)	C++17	Compilation error	0 ms	0 KiB

game

#include<bits/stdc++.h>
#define MAXN (int)15e2+5
#define int long long
using namespace std;
int n;
int v[MAXN][MAXN],p[MAXN],s[MAXN];
int find(int x){
	return p[x]=(p[x]==x?x:find(p[x]));
}void unite(int a,int b){
	a=find(a);
	b=find(b);
	if(a==b){return;}
	if(s[a]<s[b]){swap(a,b);}
	s[a]+=s[b];
	p[b]=a;
	for(int i=0;i<n;i++){
		if(v[b][i]){
			v[a][i]+=v[b][i];
			v[i][a]+=v[b][i];
			v[b][i]=v[i][b]=0;
		}
	}
}
void initialize(int N) {
	n=N;
	for(int i=0;i<n;i++){
		p[i]=i;
		s[i]=1;
	}
}
int hasEdge(int a,int b){
	a=find(a);b=find(b);
	v[a][b]++;v[b][a]++;
	if(v[a][b]==s[a]*s[b]){
		unite(a,b);
		return 1;
	}
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc8aEvdE.o: in function `main':
grader.cpp:(.text.startup+0x2c): undefined reference to `initialize(int)'
/usr/bin/ld: grader.cpp:(.text.startup+0x94): undefined reference to `hasEdge(int, int)'
collect2: error: ld returned 1 exit status