题目内容

The value of variable a is ( ) after executing the following procedure. fuc1(float x) { return x+1.5; } int main(void) { float a; a=fuc1(2.4); return 0; }

A. 4
B. 3.7
C. 3.0
D. uncertain

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There are the following function definitions: void fun(int n,double x) {…} If the variables in the following options are correctly defined and assigned values, the correct call statement for function fun is ( ).

A. fun(int y,double m);
B. k=fun(10,12.5);
C. fun(x,n);
D. void fun(n,x);

In the C statement, the default storage type of formal parameters is ( ).

A. auto
B. register
C. static
D. extern

When executing the following program, enter 1234567890 and the while loop will execute ______ times .#includeint main (void){ char ch; while((ch=getchar())=='0') printf("#"); return 0;}

If specified，int a[][3]={1,2,3,4,5,6}；Then the size of the first dimension of array a is ( ).

A. 2
B. 3
C. 4
D. No definite value