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C++ convert binary string to decimal

Convert binary to decimal c++ stl

string bin_string = "10101010";
int number =0;
number = stoi(bin_string, 0, 2);
// number = 170

C++ convert binary string to decimal

// if the error terminate called after throwing an instance of 
// 'std::out_of_range' what():  stoi
// is being thrown by stoi use stol
string bin_string = "0101010101010101010101010101010101010101010101010101";
long number = 0;
number = stol(bin_string,0,2); // number = 1501199875790165

Source: cplusplus.com

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