#include <stdio.h> #include <stdint.h> uint8_t count_set_bits(uint8_t reg) { int c=0; for(int i=0;i<8;i++){ if(reg&1){ c++; } reg=reg>>1; } return c; } int main() { uint8_t reg; scanf("%hhu", ®); printf("%u", count_set_bits(reg)); return 0; }
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