@[小粉兔](/user/10703)
by hh弟中弟 @ 2024-01-10 17:29:50
https://www.luogu.com.cn/problem/U396628
放一个拍出来的 hack，应该没啥问题。
by naroanah @ 2024-01-10 18:21:41
gen:
```cpp
#include<bits/stdc++.h>
#define rep(i, l, r) for(int i = (l); i <= (r); i++)
#define req(i, r, l) for(int i = (r); i >= (l); i--)
#define ll long long
#define ull unsigned long long
#define pii pair<int, int>
#define fi first
#define se second
#define all(x) begin(x), end(x)
using namespace std;
constexpr int N = 1e5 + 10, inf = 0x3f3f3f3f, INF = 0x7f7f7f7f, mod = 998244353;
constexpr double eps = 1e-9;
mt19937 rnd(time(0));
int random(int x) {return rnd() % x + 1;}
signed main() {
ios :: sync_with_stdio(0); cin.tie(0); cout.tie(0);;
int n; n = 2000;
cout << n << "\n";
rep(i, 1, n) {
int op = random(6), x = random(3), v = i == 1 ? 0 :random(i - 1);
cout << v << " " << op << " " << x << "\n";
}
return 0;
}
```
by naroanah @ 2024-01-10 18:22:19
我去，我这数据是不是可能查到不存在的排名，可能有锅
by naroanah @ 2024-01-10 20:53:03
@[离散小波变换°](/user/68344)
by hh弟中弟 @ 2024-01-10 21:07:19