one for all(origin)

#include <bits/stdc++.h>
#define FOR(I, A, B) for (int I = (A); I <= (B); ++I)
#define PER(I, A, B) for (int I = (A); I >= (B); --I)
#define lson k*2
#define rson k*2+1
#define DB(A) cout<<(A)<<endl
#define DB1(A,B,C) cout<<(A)<<" "<<(B)<<" "<<(C)<<endl
#define PB push_back
#define Pair pair<int,int>
#define LL long long
#define int long long
using namespace std;
const int maxn=2e5+10;
const int MAX=30;
const int inf=0x3f3f3f3f;   
//head

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    FOR(i,1,n)
    {
        
    }
        
}