以下程序的运行结果是______________。#define A4#define B(x) A*(x)/2#includevoid main(){float c,a=4.5;c=B(a);printf("%5.1f\n",c);}

下面程序计算10个同学一科成绩的平均分。#include_______ average(float array[10]){int i;float sum=array[0];for(i=1;i<10;i++)sum+=array[i];return sum/10;}void main(){float score[10],aver;int i;for(i=0;i<10;i++)scanf("%f",____________);aver=_____________;printf("average score is %5.2f\n",aver);}

#include void fun2(char a,charB) { printf("%c %c",a,b);} char a='A',b='B'; void fun1(){ a='C';b='D'; } main() { fun1( ); printf("%c %c ",a,b); fun2('E','F');} 程序的运行结果是

A B E F
B. C D E F
C. A B C D
D. C D A B

include int fun(int n){ if(n==1) return 1; else return(n+fun(n-1)); } main(){ int x; scanf("%d",&x); x=fun(x); printf("%d\n",x);} 执行程序时，给变量x输入10，程序的输出结果是

A. 55
B. 54
C. 60
D. 45

#include int f(int m) { static int n=0; n+=m; return n; } main() { int n=0; printf("%d,",f(++n)); printf("%d\n",f(n++)); } 程序运行后的输出结果是

A. 3,3
B. 1,1
C. 2,3
D. 1,2

#include int fun(int x) { int p; if(x==0||x==1) return(3); p=x-fun(x-2); return p; }main(){ printf("%d\n",fun(7)); } 执行后的输出结果是

A. 2
B. 3
C. 7
D. 0

#include int fun(char p[][10]) { int n=0,i; for(i=0; i<7; i++) if(p[i][0]== 'T') n++; return n; } main() { char str[][10]={"Mon","Tue","Wed","Thu","Fri","Sat","Sun"}; printf("%d\n",fun(str)); } 程序执行后的输出结果是

A. 1
B. 2
C. 3
D. 0

#include int f(int a[], int n) { if (n > 1) { int t; t=f(a, n-1); return t > a[n-1] ? t : a[n-1]; } else return a[0]; } main() { int a[] = {8,2,9,1,3,6,4,7,5}; printf("%d\n", f(a, 9)); } 则程序的输出结果是

A. 9
B. 1
C. 8
D. 5

#include void convert(char ch){ if (ch < 'X') convert(ch+1); printf("%c", ch); } main( ) { convert('W'); printf("\n"); } 程序运行后的输出结果是

A. YZ
B. VW
C. XY
D. XW