LincW @ 2023-01-16 12:17:12
虽然 w < 2^{31}
......但是统计结果的时候要开long long
long long
by scp020 @ 2023-01-16 12:18:28
显而易见
by roger_yrj @ 2023-01-16 12:53:21
@scp020 但有些人就是眼瞎比如我