题目:给出一个不多于5位的正整数,要求:1、输出几位数;2、分别输出每一位数;3、逆序输出
下面是我写的程序,一位和两位数可以看到结果,但是三、四、五位就不行了,不知道是为什么,求解答!!!
#include
using namespace std;
int main ()
{
int a,b,c,d,e,m,n;
cout << "请输入一个不多于五位的正整数:" << endl;
cin >> n;
if (n>=0&&n<=99999)
if (n<=9) cout << "这是一个一位数\n" << "个位数是:" << n << "逆向输出为:" << n <<endl;
else
{
if (n<=99)
a=n/10;
b=n-a*10;
m=b*10+a;
cout << "这是一个两位数\n" << "十位数是:" << a << "个位数是:" << b << "逆向输出为:" << m << endl;
}
else
{
if (n<=999)
{
a=n/100;
b=n/10-a*10;
c=n-a*100-b*10;
m=a+b*10+c*100;
cout << "这是一个三位数\n" << "百位数是:" << a << "十位数是:" << b << "个位数是:" << c << "逆向输出为:" << m << endl;
}
if (n<=9999)
{
a=n/1000;
b=n/100-a*10;
c=n/10-a*100-b*10;
d=n%10;
m=d*1000+c*100+b*10+a;
cout << "这是一个四位数\n" << "千位数是:" << a << "百位数是:" << b << "十位数是:" << c << "个位数是:" << d << "逆向输出为:" << m << endl;
}
if (n<=99999)
{
a=n/10000;
b=n/1000-a*10;
c=n/100-a*100-b*10;
d=n/100-a*100-b*10-c;
e=n%10000;
m=e*10000+d*1000+c*100+b*10+a;
cout << "这是一个五位数\n" << "万位数是:" << a << "千位数是:" << b << "百位数是:" << c << "十位数是:" << d << "个位数是:" << e << "逆向输出为:" << m << endl;
}
}
}