Answer Posted / venu

sol 1:
int fun(int i5DigitNum)
{
return 2<< i5DigitNum; // will overflow if the number is > 32
}

sol 2:
//assumption 32 bit machine
temp = i5DigitNum/32 + i5DigitNum%32 == 0 ? 0 :1 ;
char * temp2 = malloc(temp*4)
temp2[0] = 1 << i5DigitNum%32;

// now print this array as number!! :(

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