Submission #1006420

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006420		kebine	Game (IOI14_game)	C++17	Compilation error	0 ms	0 KiB

game

#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define repp(i,x,n) for(int i=x;i<=n;i++)
#define repo(i,x,n) for(int i=x;i>=n;i--)
#define cy cout<<"Yes"<<endl
#define cn cout<<"No"<<endl
#define r0 return 0
#define fi first
#define se second
#define liow ios_base::sync_with_stdio(false);cin.tie(NULL)
#define jelek cout<<"jelek"<<endl
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define pi pair<pair<int,int>,pair<int,int>>
#define p4 pair<pii,pii>
#define fl fflush(stdout)
using namespace std;
const int mod=1e9+7,maxn=1e6+5,N=(1<<17),INF=1e18;

int p[1505];
int root(int x){
  if(p[x]==x) return x;
  return root(p[x]);
}
void merge(int x,int y){
  int rx=root(x),ry=root(y);
  if(rx==ry)return;
  p[rx]=ry;
}
void solve(){
  int n;cin>>n;
  repp(i,1,n) p[i]=i;
  int r=n*(n-1)/2;
  repp(i,1,n){
    int x,y;cin>>x>>y;
    int rx=root(x),ry=root(y);
    if(rx==ry) cout<<"No"<<endl;
    else cout<<"Yes"<<endl;
    fl;
    merge(rx,ry);
  }
}

signed main() {
    liow;
    int t=1;
//  cin>>t;
    while(t--){
      solve();
  }
}

Compilation message (stderr)

game.cpp: In function 'void solve()':
game.cpp:34:7: warning: unused variable 'r' [-Wunused-variable]
   34 |   int r=n*(n-1)/2;
      |       ^
/usr/bin/ld: /tmp/ccxN34Au.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccdvuQvs.o:game.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccxN34Au.o: in function `main':
grader.cpp:(.text.startup+0x2a): 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