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仔细阅读下面程序,请给出运行结果(50)。 #include<stdio.h> #include<math.h> int f1 (int x) { return x*x; } int f2 (int x) { return x*x*x;} main () { int x=3,y1,y2,y3,y4; int(*f)(); f=f1; y1=(*f)(x); y2=f1(x); f=f2; y3=f(x); y4=f2(x); printf(“y1=%d,y2=%d,y3=%d,y4=%d\n”,y1,y2,y3,y4);
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A.
y1=9,y2=9,y3=27,y4=27
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B.
y1=3,y2=9,y3=27,y4=9
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C.
y1=3,y2=3,y3=9,y4=9
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D.
y1=3 ,y2=9,y3=9,y4=27
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