标签:style blog io color os ar for sp strong
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
简单模拟
class Solution { public: int reverse(int x) { char s[1111]; sprintf(s,"%d",x); int len=strlen(s); int ans=0; if(s[0]=='-'){ int g=1; for(int i=1;i<len;i++){ ans+=(g*(s[i]-'0')); g*=10; } ans=-ans; return ans; } else{ int g=1; for(int i=0;i<len;i++){ ans+=(g*(s[i]-'0')); g*=10; } return ans; } } };
标签:style blog io color os ar for sp strong
原文地址:http://blog.csdn.net/budlele/article/details/40591609