A.PI=3.1415926
B.Const PI=3.14159
C.#define PI3.1415926
D.Float PI=3.14159
[单选题]执行下面程序的正确结果是 ( ) main() {float a=1.9 switch(A) { case 0:printf("0000"); case 1:printf("1111"); case 2:printf("3333"); } printf("%f",A) ; }A.1.900000B.111133331.900000C.33331.900000D.00001111233331.900000
[单选题]有以下程序main( ){ int a; char c=10;float f=100.0; double x;a=f/=c*=(x=6.5);printf("%d %d %3.1f %3.1f/n",a,c,f,x);}程序运行后的输出结果是A.1 65 1 6.5B.1 65 1.5 6.5C.1 65 1.0 6.5D.2 65 1.5 6.5
[单选题]有如下程序:includevoid main(){float x=2.0,y;if(x<0.0)y=0.0;else if(x<10.0)y=1有如下程序: #include<iostream.h> void main() { float x=2.0,y; if(x<0.0)y=0.0; else if(x<10.0)y=1.0/x; else y=1.0; cout<<y; } 该程序的输出结果是A.0B.0.25C.0.5D.1.0
[单选题]有如下程序includevoid main(){ float X=2.0,y; if(x<0.0)y=0.0; else if(x<10.0)y有如下程序 #include<iostream.h> void main() { float X=2.0,y; if(x<0.0)y=0.0; else if(x<10.0)y=1.0/x; else y=1.0; cout<<y; } 该程序的输出结果是A.0B.0.25C.0.5D.1
[单选题]请把下划处的代码补充完整: ______ into student (s_name) ______(N’王大军’)A.update, valuesB.insert, valueC.insert, valuesD.delete, like
[单选题]请读程序:include main(){int a; float b, c;scanf ("% 2d% 3%£¯4f",&a,&b,&a请读程序:#include <stdio. h>main(){ int a; float b, c; scanf ("% 2d% 3%/4f",&a,&b,&c); printf("/na=%d, b=%f, c=%f/n", a, b, c);} 若运行时从键盘上输入9876543210,则上面程序的输出结果
[单选题]有如下程序 include void main( ) { float x=2.0,y; if(x<0.0)y=0.0; els有如下程序 #include<iostream.h> void main( ) { float x=2.0,y; if(x<0.0)y=0.0; else if(x<10.0)y=1.0/x; else y=1.0; cout < < y; } 该程序的输出结果是A.0B.0.25C.0.5D.1
[单选题]下列程序的输出结果是______。 main() { float x=3.6; int i; i=(int)x; printf("x=%f,i=%d",x,i); }A.x=3.600000,i=4B.x=3 i=3C.x=3.600000,i=3D.x=3 i=3.600000
[单选题]有如下程序includevoid main( ){float x=2.O,y;if(x
[单选题]有以下程序: main() { int a; char c=10; float f=100.0; double x; a=f/=c*=(x=6.5); printf("%d %d %3.1f %3.1f/n",a,c,f,x); } 程序运行后的输出结果是( )。A.1 65 1 6.5B.1 65 1.5 6.5C.1 65 1.0 6.5D.2 65 1.5 6.5