int和string相互转化

1.int型转换成 string型的方法#include"iostream"#include"strstream"usingnamespace std;intmain(){     stringout;     intnumber=123456789;     strstreamss;     ss<<number;     ss>>out;     //out=first+secong;     cout<<out<<endl;}2.string类型转换成
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int#include"iostream"#include"strstream"usingnamespace std;/*changethe string to int*/intmain(){     stringinput="123456789";;     intout_number;    strstreamss;    ss<<input;    ss>>out_number;    cout<<"stringto int:"<<out_number<<endl; 
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