제출 #670513

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
670513		Onur_Ilgaz	Nice sequence (IZhO18_sequence)	C++17	0 / 100	0 ms	212 KiB

sequence

#include "bits/stdc++.h"
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL);
#define int long long
#define spc " "
#define nd "\n"
#define all(a) a.begin(),a.end()
#define nm 200005
#define rep(b,a) for(int b=0;b<a;b++)
#define REP(b,a) for(int b=1;b<=a;b++)
#define inf 1e18
using namespace std;

void solve(){
	int n, m;
	cin>>n>>m;
	cout<<max(n, m)-1<<nd;
	if(n > m){
		rep(i, n-1)cout<<-1<<spc;
	}
	else{
		rep(i, m-1)cout<<1<<spc;
	}
	cout<<nd;
}

int32_t main(){
	fast
	#ifdef Local
    freopen("in","r",stdin);
    freopen("out","w",stdout);
    #endif
	int t;
	cin>>t;	
	while(t--)
		solve();
	#ifdef Local
    cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
	return 0;
}

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