摘要: mark一下: unsigned int 0~4294967295 int -2147483648~2147483647 unsigned long 0~4294967295long -2147483648~2147483647long long的最大值:9223372036854775807lon 阅读全文
posted @ 2017-02-21 16:06 superxiaoying 阅读(134) 评论(0) 推荐(0) 编辑