#include <iostream>
using namespace std;
int main() {
std::string s1 = "10101010";
int n1 = std::stoi(s1, nullptr, 2);
std::cout << "s1 = " << s1 << " n1 = n1 = "<< n1 << '\n';
std::string s2 = "11111111";
int n2 = std::stoi (s2, nullptr, 2);
std::cout << "s2 = " << s2 << " n2 = "<< n2 << '\n';
return 0;
}
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