下面程序段的执行结果是_#define prt(a,b) if(!a) b=amain(){int x=1,y=0;if(x>y) prt(x,y);else prt(y,x);printf(“%d,%d”,x,y);}(A) 1,0(B) 0,0(C) 0,1(D) 编译出错为什么是C ,还有if(!a) b=a 是如果a为假 则a赋值给b吗?
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![下面程序段的执行结果是_#define prt(a,b) if(!a) b=amain(){int x=1,y=0;if(x>y) prt(x,y);else prt(y,x);printf(“%d,%d”,x,y);}(A) 1,0(B) 0,0(C) 0,1(D) 编译出错为什么是C ,还有if(!a) b=a 是如果a为假 则a赋值给b吗?](/uploads/image/z/12876166-46-6.jpg?t=%E4%B8%8B%E9%9D%A2%E7%A8%8B%E5%BA%8F%E6%AE%B5%E7%9A%84%E6%89%A7%E8%A1%8C%E7%BB%93%E6%9E%9C%E6%98%AF_%23define+prt%28a%2Cb%29+if%28%21a%29+b%3Damain%28%29%7Bint+x%3D1%2Cy%3D0%3Bif%28x%3Ey%29+prt%28x%2Cy%29%3Belse+prt%28y%2Cx%29%3Bprintf%28%E2%80%9C%25d%2C%25d%E2%80%9D%2Cx%2Cy%29%3B%7D%28A%29+1%2C0%28B%29+0%2C0%28C%29+0%2C1%28D%29+%E7%BC%96%E8%AF%91%E5%87%BA%E9%94%99%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AFC+%2C%E8%BF%98%E6%9C%89if%28%21a%29+b%3Da+%E6%98%AF%E5%A6%82%E6%9E%9Ca%E4%B8%BA%E5%81%87+%E5%88%99a%E8%B5%8B%E5%80%BC%E7%BB%99b%E5%90%97%3F)
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