Nettet8. apr. 2024 · int *a的 a 是一个指针变量，可以对a赋其他值，或者a++,a-- 的运算。 int a[]的 a 是一个指针常量 指针与数组的区别： 指针的本质是一个与地址相关的复合类 … Nettetfor 1 dag siden · During the 90-minute workshop, parliamentarians from 12 countries spoke about the need for CSE and adapting successful strategies for promoting, protecting …

这个表达式（a+=a-=a*=a）到底从哪头运算啊，我都晕了-CSDN …

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EE1400: Programmeren in C

Nettet17. jul. 2010 · 复合赋值运算符的结合性为从右至左，所以表达式“a+=a-=a*=a”相当于“a+= (a-= (a*=a))”。 先执行“a*=a”相当于“a=a*a=12*12=144”，即a=144。 再执行“a-=a”相当于“a=a-a=144-144=0”，即a=0。 最后执行“a+=a”相当于“a=a+a=0+0=0”，即a=0。 作者: 梁军 发布时间: 2010-07-17 钻这种牛角没啥意义 作者: hellioncu 发布时间: 2010-07-17 这活 … Nettet10. feb. 2016 · #include int a = 12; int main (void) { int a = 15; printf ("Inside a's main local a = : %d\n", a); { extern int a; printf ("In a global a = %d\n", a); } return 0; } It will give op Inside a's main local a = : 15 In a global a = 12 The compiler will not throw any errors. Share Improve this answer Follow edited Feb 10, 2016 at 10:39 NettetEsta página cita fontes , mas que não cobrem todo o conteúdo . Ajude a inserir referências . Conteúdo não verificável pode ser removido .— Encontre fontes: ABW • Google (N • L … punginelli srl