以下程序的输出结果为()voidmain(){intx=2,y=2;if(x==2)printf("%2d",++y);if(y=2)printf("%2d",++x);elseprintf("%2d",--x);}
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读程序题:#includemain(){inta=1,b=3,c=5;if(c==a+b)printf("yes\n");elseprintf("no\n");}运行结果为:
A. yes
B. no
C. yesno
D. 无输出结果
请阅读下面的程序,分析程序是否能编绎通过并正确运行,如果不能,说明原因;如果能,请写出运行结果。void main{int x = 1,y = 1, z = 10;if(z<0)if(y>0) x = 3;else x = 5;printf(“%d\t”,x);if(z = y < 0) x = 3;else if(y==0) x = 5;else x = 7;printf(“%d\t”,x);printf(“%d\t”,z);}
if条件语句分为三种语法格式,分别是_____________、____________、____________。
读程序题:#include < stdio .h >main ( ){ float c=3.0 , d=4.0;if ( c>d ) c=5.0;elseif ( c==d ) c=6.0;else c=7.0;printf ( “%.1f\n”,c ) ;}运行结果为: