Ten problem were solved in 2 days, all of which are input-output practice and some sum-up tricks. Take care. Warm up and deal with THE BIG DECIMAL PROBLEMS tormorrow. 相关文章: 2022-03-06 2021-04-20 2021-08-21 2021-10-03 2021-07-12 2022-01-31 2022-12-23 2022-12-23