不要用三目玄学运算符【我曾经因为三目被卡了几天……】
by HyyypRtf06 @ 2020-03-07 20:42:36
我谔谔
by XieGuiYi_aic @ 2020-03-07 20:59:54
懂了，sum初始化为一，谢谢大佬！
by XieGuiYi_aic @ 2020-03-07 21:00:34