Submission #73474073

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Source Code Expand

// Problem: B - Greedy Draft
// Contest: AtCoder - AtCoder Beginner Contest 446
// URL: https://atcoder.jp/contests/abc446/tasks/abc446_b
// Memory Limit: 1024 MB
// Time Limit: 2000 ms
// writen by slightar

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define more int _;cin>>_;while(_--)
#define close ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define coutyes cout<<"Yes\n";
#define coutno cout<<"No\n";
#define all(A) A.begin(),A.end()
#define point pair<int,int>
#define x first
#define y second
const int mod=1e9+7,N=2e5+8;
int n,m,ans,cnt,k,l,r,a[N];
void solve(){
	cin>>n>>m;
	vector<int>b(m+2,0);
	for(int i=1;i<=n;i++){
		cin>>a[i];
		bool f=0;
		for(int j=1;j<=a[i];j++){
			int t;cin>>t;
			if(f)continue;
			if(!b[t]){
				cout<<t<<"\n";
				b[t]=1;f=1;
			}
		}
		if(!f)cout<<"0\n";
	}
}
signed main(){
	close
	solve();

}

Submission Info

Compile Error

./Main.cpp:19:11: warning: unused variable 'mod' [-Wunused-const-variable]
   19 | const int mod=1e9+7,N=2e5+8;
      |           ^~~
1 warning generated.

Judge Result