what is the difference between int &r and int& r

3 Answers  

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1.program to add any two objects using operator overloading 2.program to add any two objects using constructors 3.program to add any two objects using binary operator 4.program to add any two objects using unary operator

2 Answers   IBM,

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using friend function find the maximum number from given two numbers from two different classes.write all necessary functions and constructor for the classes.

1 Answers   TCS,

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A Binary no. is given, we hav to find it's decimal equivalent.

2 Answers   Microsoft,

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write a program to calculate the amount of investment after a period n years if the principal investors was p and interest is calculated using compound interest,formular=a=p(1+r)^n

0 Answers   Jomo Kenyatta University,

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write a program that reads a series of strings and prints only those strings begging with letter "b"

0 Answers  

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Complexity T(n) What is the time complexity T(n) of the following portions of code? For simplicity, you may assume that n is a power of 2. That is, n = 2k for some positive integer k. a) ? for (i = 1; i <= n; i++) { j = n; cout << i << ? ? j << ? ? << endl; } b) ? for (i = 0; i <= n; i += 2) { j = n; cout << i << ? ? j << ? ? << endl; } c) ? for (i = n; i >= 1; i = i/2) { j = n; cout << i << ? ? j << ? ? << endl; } d) for (i = 1; i <= n; i++) { j = n; while (j >= 0) { cout << i << ? ? j << ? ? << endl; j = j - 2; } }

0 Answers   Qatar University,

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how to find out the maximum number out of the three inputs.

6 Answers   ABC, Apple, C3I, HP, TCS,

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How reader and writer problem was implemented and come up with effective solution for reader and writer problem in case we have n readers and 1 writer.

6 Answers   Microsoft, NetApp,

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Here's the programm code: int magic(int a, int b) { return b == 0 ? a : magic(b, a % b); } int main() { int a, b; scanf("%d%d", &a, &b); printf("%d\n", magic(a, b)); return 0; } on input stream we have integers 4, 45 What's the output integer? How many times will be initiated "magic" function?

1 Answers  

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write a function – oriented program that calculates the sum of the squares from 1 to n. thus, if the input is 3, the output is 14

3 Answers  

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what is the best algorithm to sort out unique words from a list of more than 10 million words(1 crore+)? we need the best technique in the terms of execution time.

9 Answers   TCS,

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