I have a couple of integers, for example (in binary represetation):
00001000, 01111111, 10000000, 00000001
and I need to put them in sequence to array of bytes(chars), without the leading zeros, like so:
10001111 11110000 0001000
I understand that it is must be done by bit shifting with <<,>> and using binary or |. But I can't find the correct algorithm, can you suggest the best approach?
The integers I need to put there are unsigned long long ints, so the length of one can be anywhere from 1 bit to 8 bytes (64 bits).
You could use a std::bitset
:
#include <bitset>
#include <iostream>
int main() {
unsigned i = 242122534;
std::bitset<sizeof(i) * 8> bits;
bits = i;
std::cout << bits.to_string() << "\n";
}
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