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52.write a “Hello World” program in “c” without using a
semicolon?
53.Give a method to count the number of ones in a 32 bit number?
54.write a program that print itself even if the source file
is deleted?
55.Given an unsigned integer, find if the number is power of 2?

Answer Posted / g

54:
you can load the source file to memory at the beginning of
the run using mmap(), or using one of the countless methods
to read from file in C and storing the data in a string
array, then it won't matter if the file is deleted, you can
always re-create it using the data in the process memory.

53/55: answering 53 also answers 55.

53:
int checkBits(x){
numOfOnes=0;
do{
if((x%2)!=0)
{numOfOnes++;}
x=x/2;
}while (x!=0);

return numOfOnes;
}

55:
int checkPower(x){
if(checkBits(x)==1)
{return 1;}
else{return 0;}
}

Is This Answer Correct ?    18 Yes 22 No



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