C++ split
A + B
http://www.nowcoder.com/questionTerminal/5fb3548802bb4a13a10c2e53a6fbfdd9
vector<string> split(string str,string pattern)
{
vector<string> v;
int pos = str.find(pattern);
int size = str.size();
// 截取最后一段
str = str + pattern;
while (pos != -1) {
string sub = str.substr(0,pos);
v.push_back(sub);
str = str.substr(pos+1,size);
pos = str.find(pattern);
}
return v;
}