a=3; a+=(a<1)?a:1; printf(“%d”,a); 结果是()
int x=6, y=7; printf(“%d,”,x++); printf(“%d\n”,++y); 程序的输出结果是()
float f=3.1415927; printf(“%f,%5.4f,%3.3f”,f,f,f); 则程序的输出结果是()