[C++]형 변환

<문자열 -> 숫자>

#include <string>

string sNum = "1234";
string sNum_d = "1234.56";

int inum = stoi(sNum);
long lnum = stol(sNum);
double dnum = stod(sNum_d);
float fnum = stof(sNum_d);

 

<숫자 -> 문자열>

#include <string>

int inum = 1234;
long lnum = 1234;
double dnum = 1234.56;
float fnum = 1234.56f;

string intToString = to_string(inum);
string longToString = to_string(lnum);
string doubleToString = to_string(dnum);
string floatToString = to_string(fnum);