题解 | #反转字符串#
反转字符串
http://www.nowcoder.com/practice/c3a6afee325e472386a1c4eb1ef987f3
class Solution { public: /** * 反转字符串 * @param str string字符串 * @return string字符串 */ string solve(string str) { // write code here /*int l=0,r=str.size()-1; while(l<r){ int temp=str[l]; str[l]=str[r]; str[r]=temp; l++;r--; } return str;*/ int n=str.size(); string s(n,0); for(int i=0;i<n;i++){ s[i]=str[n-1-i]; } return s; //栈 } };