运行下面程序时,若从键盘输入"3,5",则程序的输出结果是__#include void main( ){int x,y;scanf("%d,%d",&x,&y);if (x==y)printf("x==y");else if (x>y)printf("x>y");elseprintf("x
A. 3<5
B. 5>3
C. x D. x>y
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执行下面程序时,若从键盘输入"2",则程序的运行结果是____#include void main( ){ int k; char cp;cp=getchar( );if (cp>='0' && cp<='9')k=cp-'0';else if (cp>='a' && cp<='f')k=cp-'a'+10;else k=cp-'A'+10;printf("%d\n",k);}
A. 10
B. 1
C. 4
D. 2
运行下面程序时,从键盘输入"2.0",则输出结果是___#include void main( ){ float a,b;scanf("%f",&a);if (a<0.0) b=0.0;else if ((a<0.5) && (a!=2.0)) b=1.0/(a+2.0);else if (a<10.0) b=1.0/2;else b=10.0;printf("%f\n",b);}
A. 0.000000
B. 1.000000
C. 0.500000
D. 0.250000
执行下面程序后,运行结果是_____.#include void main( ){ int x=41,y=1;if (x%3==0 && x%7==0){ y+=x;printf("y=%d\n",y);}else{y=x;printf("y=%d",y);}}
A. y=43
B. y=41
C. y=42
D. y=1
运行下面程序时,从键盘输入"12,34,9",则输出结果是____.#include void main( ){ int x,y,z;scanf("%d,%d,%d",&x,&y,&z);if (x
A. 34
B. 不确定的值
C. 9
D. 12