#include void printb(unsigned int number) { unsigned int ib=1<<31; unsigned int ibb=31; while(ib){ putc( !!(number & ib) + '0', stdout); ib>>=1; if( (ibb & 7) == 0 && ibb)putc('-', stdout); ibb--; } } void printh(unsigned int number) { unsigned int ih=15<<28; unsigned int ibh=28; while(ih){ if(((number & ih)>>ibh) < 10) putc( (char)( (number & ih)>>ibh) + '0', stdout); else putc( (char)( ( (number & ih)>>ibh ) - 10 ) + 'a', stdout); ih>>=4; if( (ibh & 7) == 0 && ibh)putc('-', stdout); ibh-=4; } } int main() { //маленкие числа for(int val=1;val<10;val+=1){ printf("value int v = %i \n", val); printf("hex "); printh(val);printf("\nbin "); printb(val);putc('\n', stdout); printf("!v "); printh(!val);printf("\n "); printb(!val);putc('\n', stdout); printf("~v "); printh(~val);printf("\n "); printb(~val);putc('\n', stdout); printf("!!v "); printh(!!val);printf("\n "); printb(!!val);putc('\n', stdout); printf("~~v "); printh(~~val);printf("\n "); printb(~~val);putc('\n', stdout); printf("-v "); printh(-val);printf("\n "); printb(-val);putc('\n', stdout); }; //другой пример - большие числа. for(int val=1;val<10000000; val^=val<<1){ printf("value int v = %i \n", val); printf("hex "); printh(val);printf("\nbin "); printb(val);putc('\n', stdout); printf("!v "); printh(!val);printf("\n "); printb(!val);putc('\n', stdout); printf("~v "); printh(~val);printf("\n "); printb(~val);putc('\n', stdout); printf("!!v "); printh(!!val);printf("\n "); printb(!!val);putc('\n', stdout); printf("~~v "); printh(~~val);printf("\n "); printb(~~val);putc('\n', stdout); printf("-v "); printh(-val);printf("\n "); printb(-val);putc('\n', stdout); }; return 0; }

Unary operations ! and ~ and -. how !!, ~~ works