刚刚奖励写错了，抱歉
by UID341736 @ 2021-02-22 16:37:19
qp
by BotDand @ 2021-02-22 16:37:58
qp
by Reywmp @ 2021-02-22 16:38:03
qp
by Textbook_blasphemy @ 2021-02-22 16:38:05
qp
by SDqwq @ 2021-02-22 16:38:06
@[BFqwq](/user/120074) 请求置顶
by UID341736 @ 2021-02-22 16:38:22
qp
by xsI666 @ 2021-02-22 16:38:37
你们这个 D ，`3 x` 操作怎么不写数据范围啊，害得我这个大菜鸡调了一整场比赛。。。。。
我 hack 了你们的 std，且这题不可能被通过：
```cpp
#include<bits/stdc++.h>
int main() {
std::cout << "1\n3\n3 -1";
for(int i = 1; i <= 10; i++) std::cout << "0";
puts("");
std::cout << "1 1\n2 1 0\n";
return 0;
}
```
by zhoukangyang @ 2021-02-22 16:38:53
qp
by Alan_Zhao @ 2021-02-22 16:39:38
@[zhoukangyang](/user/173660) 草这个 $x$ 可能确实疏忽了没有写清楚（
by Lynkcat @ 2021-02-22 16:39:52