Comp. Science Programming and Technical Category

Which of the following is true at the end of the ith iteration?

1. n = b1b2…bm–i and rev = bm bm–1….bm–i+1

2. n= bm–i+1….bm–1bm and rev = bm–i…b2b1

3. n= b1b2…bm and rev = bm…b2b1

4. none of these

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Comp. Science Other Question
Consider the following program

n = b1b2b3….bm

int n, rev;

rev = 0;

while (n > 0) {

rev = rev * 10 + n %10;

n = n/10;

} A program ‘c’ with 200 integers in the range 0 – 50 represents the scores of 200 students. It then prints the frequency of each score above 25. What would be the best way for ‘c’ to store the frequency?

1. an array of 25 numbers

2. an array of 50 numbers

3. an array of 200 numbers

4. a dynamically allocated array of 250 numbers