CPP

number to binary string c++

  ==== Convert number to binary string C++ ======
 int n = 100;
 string s1=""
//Method 1:
 string s1 = bitset<8>(n).to_string(); // 01100100
//Method 2
 while(n) {
 	s1 += (n%2) + '0';
    n /= 2;
 }
 reverse(s1.begin(),s1.end()); // 1100100

convert long int to binary string c++

auto int_bits_size = 32; // maximum number of bits for the integer
auto some_integer = 123456789;
std::string str = std::bitset<int_bits_size>(some_integer).to_string();

convert int to binary string c++

std::string str = std::bitset<8>(123).to_string();