#include
#include
#include
#include"BASE.h"
#include"fun_5.h"
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
int main(int argc, char *argv[]){
int n,q;
while(1){
printf("Enter 1 to start the program\n");
scanf("%d",&q);
/*if cycle*/
if (q==1){
/*enter function*/
printf( "1.Decimal to Binary\n2Make a pattern output\n3.Determine what triangle it is\n4.Sum of any two digit number\n5.What is the volume of the sphere\n6.How many leap years have you been born\nPlease choose\n");
scanf("%d",&n);
/*switch cycle*/
switch(n){
case 1:{
int n,h;
printf("Please input the number\n");
scanf("%d",&n);
h=DecimalToBinary(n);
printf("%d\n",h);
break;}
case 2:{
double radius;
printf("enter radius:");
scanf("%lf",&radius);
printf("Volume=%lf\n",Volume(radius));
break;}
}
}
else
printf("Input error");
break;
}
return 0;
}
最下面的break因该是else的代码块。else下面的两行加大括号
switch的break是跳出当前的switch
break并不只对循环有用哦
break结束了之后跳出了switch,接着执行下一步(也就是在else之后执行,但是呢你的else之后并没有要继续的操作,所以就退出了),你这里写的是if else 结构,如果你输入的q==1,那就执行switch,如果不是就执行else。
如果你再在return 0 的前边加一些执行语句,那跳出break之后就会接着执行这些语句。你可以在return0,前边加一个 printf语句试一下