编写strlen函数。int my_strlen(char *str){(1)}int main(){char str1[] = "abcdefghijklmnopqrstuvwxyz";printf("%d", my_strlen(str1));system("pause");return 0;}
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求n的阶层int factorial(int x){(1)}int main(){int x = 5;factorial(x);system("pause");return 0;}
斐波那契数列。int fib(int x){(1)}int main(){int x = 4;printf("%d",fib(x));system("pause");return 0;}
对()中出现的个体常项,指定一个D中的元素
A
B. F
C. G
D. V