How to convert a string to int (integer) in C++
To convert a string to int (integer) in c++, we can use the stoi() function by passing a string as an argument.
Here is an example that converts the string pack to an integer 90.
#include <iostream>
#include <string>
using namespace std;
int main() {
string pack = "90";
int num1 = stoi(pack);
cout << "string (\"" << pack << "\") is" << num1 << '\n';
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