ans初始化。
by define_int_long_long @ 2022-11-29 20:36:01
堆优化了解一下
by define_int_long_long @ 2022-11-29 20:42:13
@[define_int_long_long](/user/842947) 在主函数外面的，默认值就是0啊
by huyixuanpi @ 2022-12-01 20:19:51
我找到问题了
by huyixuanpi @ 2022-12-01 20:20:15