最后四个WA,求解!!!

P1255 数楼梯

@[one_bunny](/user/916242) 这题前六个用例long long能过,后面要用高精度加
by kaaaai @ 2024-03-16 16:38:55


@[kaaaai](/user/1268704) 好的,谢谢哇
by one_bunny @ 2024-04-07 21:37:34


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