C++ Write a function that takes as input a positive integer n and returns the n-th harmonic number. Reminder: the n-th harmonic number is equal to 1+(1/2)+(1/3)+(1/4)+...+(1/n)
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C++
Write a function that takes as input a positive integer n and returns the n-th harmonic number.
Reminder: the n-th harmonic number is equal to 1+(1/2)+(1/3)+(1/4)+...+(1/n)
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- (Numerical) Write a program that tests the effectiveness of the rand() library function. Start by initializing 10 counters to 0, and then generate a large number of pseudorandom integers between 0 and 9. Each time a 0 occurs, increment the variable you have designated as the zero counter; when a 1 occurs, increment the counter variable that’s keeping count of the 1s that occur; and so on. Finally, display the number of 0s, 1s, 2s, and so on that occurred and the percentage of the time they occurred.5. Write a C function that takes a positive integer n as an argument and returns 1 if n is prime, and 0 otherwiseWrite a c++ function int calculate(int x) which returns the value of 2x2 + 10sin(x) -12.
- In C++, m%n is the remainder when the integer m is divided by the integer n. We can define a function to test whether an integer is even as follows: bool even(int k) { if ( k % 2 == 1 ) return false; else return true;} Translate this function into a standard mathematical function specification.3. Using c++ Write a function that accepts an integer n and returns -1 if n is less than zero and the sum of all the integers between 0 and n (inclusive) if n is greater than or equal to zero.Q. Write a function days_in_month() that returns the number of days in a month. The function has the following prototype: int days_in_month(int month, int is_leap); Month should be an integer value between 1 and 12. The function should return (-1) if an invalid month is input. The variable ‘is_leap’ is 1 for leap years, 0 otherwise. Write program in c.
- 3.Create a C++ function to take input an integer parameter n and return whether the number is a power of 2 or not. bool checkPowerof2(int n) { // Return true if n is power of 2 }: Write a function that adds two numbers. You should not use+ or any arithmeticoperators.Q1: Write a C++ program to read any integer number and determine if the number is not prime using function int prime(), the answer will be printed from the main function.
- Write a C++ function: int cube(int ); This function takes an Integer parameter and return the cube of that number.Q7/ Write a program in C++ that asks the user to enter two numbers and prints the sum, product and difference of the two numbers by using function (Where there are three functions, the first for addition, the second for multiplication, and the third for subtraction).What does the following function do? float hypot(float x, float y) { return sqrt(x*x+y*y); }//end of hypot Write a statement in c++ to call this function with arguments a and b and stores the final result in c.