这个题倒是很简单,没什么可说的:
class Solution {
public:
bool judgeCircle(string moves) {
int x = 0;
int y = 0;
for(int i = 0; i < moves.size(); ++i)
{
if(moves[i] == 'U')
y++;
else if(moves[i] == 'D')
y--;
else if(moves[i] == 'L')
x--;
else if(moves[i] == 'R')
x++;
}
if(x == 0 && y == 0)
return true;
else
return false;
}
};