how to code string to int converter c++
string str;
int ans = 0;
int currPower = 0;
for(int i = str.size()-1; i >= 0; i--){
ans += (str[i] - '0') * pow(10,currPower);
currPower++;
}how to code string to int converter c++
string str;
int ans = 0;
int currPower = 0;
for(int i = str.size()-1; i >= 0; i--){
ans += (str[i] - '0') * pow(10,currPower);
currPower++;
}c++ string to int
// EXAMPLE
std::string sStringAsString = "789";
int iStringAsInt = atoi( sStringAsString.c_str() );
/* SYNTAX
atoi( <your-string>.c_str() )
*/
/* HEADERS
#include <cstring>
#include <string>
*/how to convert string to int in c++
string s = "123";
int n = s.size();
int num = 0;
for(int i = 0 ; i<n;i++)//this what stoi built function do XD
{
num = num*10+(s[i]-'0');
}Copyright © 2021 Codeinu
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