def pw (x:Int) : Int = {if (x == 0) 1 else 2*pw(x-1) } , 求 pw(5) ?
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1.def pw (x:Int) : Int = {if (x == 0) 1 else 2*pw(x-1) } , 求 pw(5) ?
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2.baltimore county pw
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3.下面的程序段执行完后,变量 i 值应该是:int func ( int x ) {if ( x>0 )return x * func ( x-1 );elsereturn 2;}int i;i = func
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4.PW的作用包括
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5.下面关于函数的声明正确的是( ) ①int fun1(int x=0, int y); ②int fun2(int x=0, int y=0); ③int fun3(int x, y=0); ④int
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6.有以下定义和语句:struct workers{ int num;char name[20],c;struct{int day,month,year;}s;};struct workers w,*pw;
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7.fun(int x){int y=0;static int z=3;z ; y;return(x y z);}main( ){int I,x=2;for(i=0;i
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8.main() { int x = 2, y = -1, z = 2; if (x < y) if (y < 0) z = 0; else z + = 1; printf("%d ",z); }
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9.下列程序的输出结果是 void f(int v, int w) { int t; t=v; v=w; w=t; } int main(void
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10.下列程序的输出结果是 :#include void f(int v, int w) { int t; t = v; v = w; w = t;}int main(){ int x