1990B.cpp

#include <bits/stdc++.h>
#define pb push_back
#define fr first
#define sc second
#define mod 1000000007
#define mod2 998244353
#define len(x) x.size()
#define min3(a,b,c) min(a, min(b,c))
#define max3(a,b,c) max(a, max(b,c))
#define all(v) v.begin(), v.end()
#define rep(i,a,b) for(int i=a;i<b;i++)
#define per(i,a,b) for(int i=b-1,i>=a;i--)
#define int  long long
#define endl " \n"
using namespace std;
// Make sure to have 1 as 1ll for more than 32 bits
// Make sure to have seprate variables in nested loops
// Make sure minimum initialisation are large enough
// Make sure to use values before reinitilaising them such as count or sum
typedef unsigned long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vpii;
typedef vector<vi> vvii;
typedef vector<string> vs;
int32_t main(){
    int t;cin >> t;
    while(t--){
        int n,x,y;cin >> n >> x >> y;
        vector<int>v(n);
        for(int i = y;i <= x;i++){
            v[i - 1] = 1;
        }
        bool is = true;
        for(int i = y - 1;i >= 1;i--){
            if(is) v[i - 1] = -1;
            else v[i - 1] = 1;
            is = !is;
        }
        is = true;
        for(int i = x + 1;i <= n;i++){
            if(is) v[i - 1] = -1;
            else v[i - 1] = 1;
            is = !is;
        }
        for(int a:v) cout << a << " ";
        cout << endl;
    }
}