试题24有以下程序#include stdio.hdouble f(double x);main(){ double a=0; int i;for(i=0;i30;i+=10) a+=f((double)i);printf(“%5.0f\n”, a);}double f(double x){ return x*x+1;}程序运行后的输出结果是()A.503B.401C.500D.1404

试题24

有以下程序

#include <stdio.h>

double f(double x);

main()

{ double a=0; int i;

for(i=0;i<30;i+=10) a+=f((double)i);

printf(“%5.0f\n”, a);

}

double f(double x)

{ return x*x+1;}

程序运行后的输出结果是()

A.503

B.401

C.500

D.1404


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