题目内容

若有以下函数定义，则执行函数func(9)调用后，其返回值是()。int func(int x){int p;if(x==0||x==1)return 1;p=x-func(x-2);return p;}

A. 1
B. 5
C. 9
D. 7

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程序f(int x){return x;}main(){float a=3.14;a=f(a);printf("%.2f\n",a);}执行结果为().

A. 3
B. 3.14
C. 3.00
D. 0

执行下列程序后, 变量a的值应为().f1(float x){return x+1.3;}main(){float a;a=f1(2.4);}

A. 3.7
B. 3
C. 4
D. 不确定

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