首页 > 代码库 > itoa atoi
itoa atoi
#pragma once #include <iostream> #include <string> using namespace std; //itoa //int ==> string //10进制 string itoa(int nNum) { int nSize = 128; char* pStr = new char[nSize]; memset(pStr,0,nSize); char* pCurr = pStr; char* pBg = pCurr; if(nNum < 0) { *pCurr = ‘-‘; pCurr ++; nNum = 0 - nNum; pBg = pCurr; } while(nNum > 0) { *pCurr = nNum%10 + ‘0‘; pCurr ++; nNum = nNum/10; } pCurr --; //倒置 for(int i=0;i<=(pCurr - pBg)/2;i++) { char cTmp = *(pBg + i); *(pBg + i) = *(pCurr - i); *(pCurr - i) = cTmp; } string str(pStr); delete pStr; return str; } //atoi int atoi(const char* pStr,int nLen = 0) { if(nLen == 0) { nLen = strlen(pStr); } int nValue = http://www.mamicode.com/0;>
声明:以上内容来自用户投稿及互联网公开渠道收集整理发布,本网站不拥有所有权,未作人工编辑处理,也不承担相关法律责任,若内容有误或涉及侵权可进行投诉: 投诉/举报 工作人员会在5个工作日内联系你,一经查实,本站将立刻删除涉嫌侵权内容。