所以,我想写一个c ++程序,所以它可以移动*,根据用户输入,用户可以随意向左或向右移动它。
cout << "*" << endl;
cout << Enter: l (Move Left) or r (Move Right): << endl;
cin >> c;
while (c == 'k' || c == 'l'){
if(c == 'k'){
到目前为止,这就是我所拥有的,我不知道如何继续。 提前感谢任何建议/帮助。
答案 0 :(得分:0)
试试这个:
#include <iostream>
using namespace std;
int main()
{
char c='x';
int position = 0; //starts from the left most position
int temp =0;
cout << "*" << endl;
cout << "Enter: l (Move Left) or r (Move Right) or x (exit): " << endl;
cin >> c;
while (c != 'x')
{
if((c == 'r')||(c=='l'))
{
if(c == 'r')
{
position++;
}
else if(c == 'l')
{
if(position==0)
position=0;
else
position--;
}
temp=position;
while(temp--!=0)
{
cout << " "; //print space
}
cout << "*" <<endl;
}
else
{
cout << "Wrong character entered\n" << endl;
}
cout << "Enter: l (Move Left) or r (Move Right) or x (exit): "<< endl;
cin >> c;
}
return 0;
}
输入:
rrrrrrrlllx
输出:
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):
*
Enter: l (Move Left) or r (Move Right) or x (exit):