有以下程序 #include double fun(double s,double a,double b) { a = (int)(s); b = s-a; return a+b; } main ( ) { double s=12.654,a=11,b=22; printf("%5.2lf,",fun(s,a,b)); printf("%5.2lf,%5.2lf\n",a,b); }程序运行后的输出结果是
有以下程序 #include double fun(double s,double a,double b) { a = (int)(s); b = s-a; return a+b; } main ( ) { double s=12.654,a=11,b=22; printf("%5.2lf,",fun(s,a,b)); printf("%5.2lf,%5.2lf\n",a,b); }程序运行后的输出结果是
若有定义:double a, b, c;能正确给a,b,c输入数据的语句是( ) A: scanf(" %lf %lf %lf",&a, &b, &c ); B: scanf(" %f %f %f",&a, &b, &c ); C: scanf(" %lf %lf %lf",a, b, c ); D: scanf(" %lf %lf %lf" &a, &b, &c );
若有定义:double a, b, c;能正确给a,b,c输入数据的语句是( ) A: scanf(" %lf %lf %lf",&a, &b, &c ); B: scanf(" %f %f %f",&a, &b, &c ); C: scanf(" %lf %lf %lf",a, b, c ); D: scanf(" %lf %lf %lf" &a, &b, &c );
离子选择电极法测定范围为() A: 10~10mol/LF B: 10~10mol/LF C: 10~10mol/LF D: 10~10mol/LF E: 10~10mol/LF
离子选择电极法测定范围为() A: 10~10mol/LF B: 10~10mol/LF C: 10~10mol/LF D: 10~10mol/LF E: 10~10mol/LF
) void main() { double x,y; scanf('%lf%lf',
) void main() { double x,y; scanf('%lf%lf',
能把值3输入给变量a,4输入给变量b,5输入给变量c的语句是( )。[br][/br](2.0) A: scanf("%d%f%lf", &a,&b,&c); B: scanf("%d%lf%lf", &a,&b,&c); C: scanf("%d%f%f", &a,&b,&c); D: scanf("%lf%lf%lf", &a,&b,&c);
能把值3输入给变量a,4输入给变量b,5输入给变量c的语句是( )。[br][/br](2.0) A: scanf("%d%f%lf", &a,&b,&c); B: scanf("%d%lf%lf", &a,&b,&c); C: scanf("%d%f%f", &a,&b,&c); D: scanf("%lf%lf%lf", &a,&b,&c);
一个逻辑文件LF最多可连()个I/O或LF。
一个逻辑文件LF最多可连()个I/O或LF。
__________________(double,double);main(){doublex,y;scanf("%lf%lf",&x,&y);printf("%lf",max(x,y));}doublemax(doublea,doubleb){return(a>b?a:b);}
__________________(double,double);main(){doublex,y;scanf("%lf%lf",&x,&y);printf("%lf",max(x,y));}doublemax(doublea,doubleb){return(a>b?a:b);}
若有定义: double a,b,c;能正确给a,b,c输入数据的语句是( )。 A: scanf("%lf %lf %lf" &a,&b,&c); B: scanf("%f%f%f",&a,&b,&c); C: scanf("%lf %lf %lf",a,b,c); D: scanf("%lf %lf %lf",&a,&b,&c);
若有定义: double a,b,c;能正确给a,b,c输入数据的语句是( )。 A: scanf("%lf %lf %lf" &a,&b,&c); B: scanf("%f%f%f",&a,&b,&c); C: scanf("%lf %lf %lf",a,b,c); D: scanf("%lf %lf %lf",&a,&b,&c);
若有定义:double *p,a;,则能给变量a输入数据的正确程序段是【】。 A: a=&p;scanf("%lf",p); B: p=&a;scanf("%lf",*p); C: *p=a;scanf("%lf",*p); D: p=&a;scanf("%lf",p);
若有定义:double *p,a;,则能给变量a输入数据的正确程序段是【】。 A: a=&p;scanf("%lf",p); B: p=&a;scanf("%lf",*p); C: *p=a;scanf("%lf",*p); D: p=&a;scanf("%lf",p);
工作A有三项紧后工作B、C、D,其持续时间分别为:B=5、C=7、D=6,其最迟完成时间分别为LF=13、LF =15、LF=13,则 LF为 A: 5 B: 8 C: 7 D: 3
工作A有三项紧后工作B、C、D,其持续时间分别为:B=5、C=7、D=6,其最迟完成时间分别为LF=13、LF =15、LF=13,则 LF为 A: 5 B: 8 C: 7 D: 3