tengyuxuan @ 2024-11-17 10:47:13
如果你是int n;，改成long long n
by cun2006 @ 2024-11-18 10:51:42
为啥改成long long 就可以缩短时间啊
by Ma1234567890 @ 2024-11-21 22:34:06
@tengyuxuan同问
by tengyuxuan @ 2024-11-24 11:01:26
@cun2006 @Ma1234567890 因为n*3+1有可能是long long; n超int会变负数