solve the problem in the programming language C++"if a five
digit number is input through the keyboard.Write a program
to calculate the sum of its digits(hint: use the modulus
operator)
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Write a program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.
1+1/2!+1/3!+...+1/n!
what is the diffrence between ++x , x++ pleaaaaase ???
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,
#include<iostream.h> //main() //{ class A { friend class B; public: void read(); }; class B { public : int a,b; }; void A::read() { cout<<"welcome"; } main() { A x; B y; y.read(); } In the above program......, as B is a friend of A B can have access to all members,i cant access y.read . could you please tell me the reason and what would i code to execute this program?
Min-Max Write an algorithm that finds both the smallest and largest numbers in a list of n numbers and with complexity T(n) is at most about (1.5)n comparisons.
10 Answers ABC, College School Exams Tests, ITC Infotech, Kyambogo University, Qatar University,
Where now stands that small knot of villages known as the Endians, a mighty forest once stood. Indeed, legand has it that you could have stoodon the edge of the wood and seen it stretch out for miles, were it not for the trees getting in the way. In one section of the forest, the trees stood in a row and were of hight from 1 to n, each hight occurring once and once only. A tree was only visible if there were no higher trees before it in the row. For example, if the heights were 324165, the only visible trees would have been those of height 3,4 & 6. Write a Program that takes an array of integers representing the heights of the trees in the row as input and prints the list of the visible trees.
Performance Algorithm A performs 10n2 basic operations and algorithm B performs 300 lg n basic operations. For what value of n does algorithm B start to show its better performance?
0 Answers ASD Lab, Qatar University, UNV,
What is the time complexity T(n) of the following program? a) int n, d, i, j; cin >> n; for (d=1; d<=n; d++) for (i=1; i<=d; i++) for (j=1; j<=n; j += n/10) cout << d << " " << i << " " << j << endl; b) void main() { int n, s, t; cin >> n; for (s = 1; s <= n/4; s++) {t = s; while (t >= 1) { cout << s << " " << t << endl; t--; } } } c) void main() { int n, r, s, t; cin >> n; for (r = 2; r <= n; r = r * 2) for (s = 1; s <= n/4; s++) { t = s; while (t >= 1) { cout << s << " " << t << endl; t--; } } }
3 Answers CTS, IBM, Infosys, Qatar University,
Write a program using one dimensional array that searches a number and display the number of times it occurs on the list of 12 input values. Sample input/output dialogue: Enter 12 values: 13 15 20 13 30 35 40 16 18 20 18 20 Enter number to search: 20 Occurences: 3
Code for Small C++ Class to Transform Any Static Control into a Hyperlink Control?
How to swap two ASCII numbers?