#include <iostream>
using std::cout;
using std::cin;
using std::endl;
void dec2bin(int liczba)
{
int i=31, boolean = 0;
while(i--)
{
if(liczba>>i & 1 & !boolean) //omijanie 0 na poczatku, az do pierwszej 1
boolean = 1;
if(boolean)
cout<<((liczba >> i) & 1);
}
}
void palindrom(){
int liczba;
cin>>liczba;
int i=31,p,l;
bool boolean = false;
while(i--)
{
if(liczba>>i&1&!boolean)
boolean=true;
if(boolean){ //sprawdzanie czy jest palindromem
for(p=0;p<16;p++){
}
for(l=32,l>15;l--){
}
if(l==p)
cout<<"1";
else
cout<<"0";
}
}
}
int ileZer(int liczba2)
{
int i;
int setBit = 1, poprzed = 0;
//zamienia liczbe na binarna, aby sprawdzic ilosc 0
if (liczba2 == 0 || (liczba2 & (liczba2 - 1)) == 0)
return -1;
for ( i = 1; i <= sizeof(int) * 8; i++) {
poprzed++;
if ((liczba2 & setBit) == setBit) {
setBit = setBit << 1;
break;
}
setBit = setBit << 1;
}
int max = 0x80000000, aktualna = poprzed; //najnizszy mozliwy int w postaci 16stkowej, tzn 2147483648
for (int j = i + 1; j <= sizeof(int) * 8; j++) {
aktualna++;
if ((liczba2 & setBit) == setBit) {
if (max < (aktualna - poprzed - 1))
max = aktualna - poprzed - 1;
poprzed = aktualna;
}
setBit = setBit << 1;
}
return max;
}
int main()
{
int wybor;
cin>>wybor;
switch(wybor){
case 1:
int liczba;
cin>>liczba;
dec2bin(liczba);
break;
case 2:
int liczba2;
cin>>liczba2;
cout << ileZer(liczba2);
break;
case 3:
palindrom();
break;
default:
cout<<"Wrong task number.";
break;
}
return 0;
}
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