有下列程序:int fun1(double a){return a*=a;}int fun2(double x,double y){ double a=0,b=0;a=fun1(x);b=fun1(y);return(int)(a+b);}main( ){ double w;w=fun2(1.1,2.0);}程序执行后变量w 中的值是( )。
A. 5
B. 5.000000
C. 0.0
D. 5.21
有以下程序 #include void fun(int a, int b) { int t; t=a; a=b; b=t; } main() { int c[10]={1,2,3,4,5,6,7,8,9,0), i; for (i=0; i<10; i+=2) fun(c[i], c[i+1]); for (i=0; i<10; i++) printf("%d,", c[i]); printf("\n"); }程序的运行结果是( )
A. l,2,3,4,5,6,7,8,9,0,
B. 0,9,8,7,6,5,4,3,2,1,
C. 0,1,2,3,4,5,6,7,8,9,
D. 2,l,4,3,6,5,8,7,0,9,