string to int in c++
#include <iostream>
#include <string>
using namespace std;
int main() {
string s = "10";
try
{
int i = stoi(s);
cout << i << 'n';
}
catch (invalid_argument const &e)
{
cout << "Bad input: std::invalid_argument thrown" << 'n';
}
catch (out_of_range const &e)
{
cout << "Integer overflow: std::out_of_range thrown" << 'n';
}
return 0;
}convert string to number c++
#include <iostream>
#include <sstream>
using namespace std;
int main()
{
string str = "123456";
int n;
stringstream ( str ) >> n;
cout << n; //Output:123456
return 0;
}string to int c++
// Both functions work identically though you'll need to use "#include <string>"
atoi( str.c_str() );
stoi( str );how to string to integer in c++
#include<string>
string str1 = "45";
string str2 = "3.14159";
string str3 = "31337 geek";
int myint1 = stoi(str1);
std::cout<<stoi(str1);Copyright © 2021 Codeinu
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