C programing What would be the value of fun(7) for the following function? int fun(int x) { if(x==0) return 0; if(x%3 ==0) return fun(x/3); return fun(x-1) + x; }
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C
What would be the value of fun(7) for the following function?
int fun(int x)
{
if(x==0)
return 0;
if(x%3 ==0)
return fun(x/3);
return fun(x-1) + x;
}
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- USE C++programming languageC Program: An integer number is said to be a perfect number if its factors, including 1 (but not the number itself), sum to the number. For example, 6 is a perfect number because 6 = 1 + 2 + 3. I have written a function called isPerfect (see below), that determines whether parameter passed to the function is a perfect number. Use this function in a C program that determines and prints all the perfect numbers between 1 and 1000. Print the factors of each perfect number to confirm that the number is indeed perfect. // isPerfect returns true if value is perfect integer, // i.e., if value is equal to sum of its factors int isPerfect(int value) { int factorSum = 1; // current sum of factors // loop through possible factor values for (int i = 2; i <= value / 2; ++i) { // if i is factor if (value % i == 0) { factorSum += i; // add to sum } } // return true if value is equal to sum of factors if (factorSum == value) { return…C Programming Problem : Write a C program with a function that takes an integer value (1 <- integer value < 9999) and returns the number with its digits reversed. For example, given the number 6798, the function should return 8976. Those two- original number and reversed number- numbers will pass to another function as parameters and calculate their sum. The program should use the function reverseDigits to reverse the digits and SumOriginalReverse to calculate their sum. Your output should appear in the following format: Output reverse digiS 4321 Main Enter a number between 1 and 9999: 6798 The number with its digits reversed is: 8976 6798 + 8976 - 15774 12.34 JomoriginalRevers Enter a number between I and 9999: 6655 The number with its digits reversed is: 5566 6655 + 5566 = 12221 Enter a number between 1 and 9999: 8 The number with its digits reversed is: 8 8 + 8 = 16 Enter a number between 1 and 9999: 123 The number with its digits reversed is: 321 123 + 321 = 444 Enter a number…
- Using pycharm/pythonPROGRAMMING PROBLEMS For the following programming problems, you need to time a section of code in C++. For example, the following statements time the execution of the function doSomething: #include clock_t start = clock(); doSomething (); clock_t finish = clock(); double overallTime = static_cast (finish - start) / CLOCKS_PER_SEC;3 1. Consider the following two loops: // Loop A for (i = 1; i = n; i++) for (j = 1; j e 10000; j++) sum = sum + j; // Loop B for (i = 1; i <= n; i++) for (j = 1; j <= n; j++) sum = sum + j; What is the Big O ofeach loop? Design and implement an experiment to find a value of n for which Loop B is faster than Loop A. 2. Repeat the previous project, but use the following for Loop B: // Loop B for (i = 1; i <= n; i++) for (j = 1; j <= n; j++) for (k = 1; k <= j; k++) sum = sum + k; 3 CLOCKS_PER_SECOND is a C++ predefined constant.Language is C
- PROGRAMMING PROBLEMS For the following programming problems, you need to time a section of code in C++. For example, the following statements time the execution of the function doSomething: #include clock_t start = clock(); doSomething(); clock_t finish = clock(); double overallTime = static_cast (finish start) / CLOCKS_PER_SEC; ³ 1. Consider the following two loops: // Loop A for (i = 1; i <= n; i++) for (j = 1; j <= 10000; j++) sum = sum + j; // Loop B for (i = 1; i <= n; i++) for (j = 1; j<= n; j++) sum = sum + j; What is the Big O of each loop? Design and implement an experiment to find a value of n for which Loop B is faster than Loop A. 2. Repeat the previous project, but use the following for Loop B: // Loop B for (i = 1; i <= n; i++) for (j = 1; jMark the following statements as true or false: a. To use a predefined function in a program, you need to know only the name of the function and how to use it. (1) b. A value-returning function returns only one value. (2, 3) c. Parameters allow you to use different values each time the function is called. (2, 7, 9) d. When a return statement executes in a user-defined function, the function immediately exits. (3, 4) e. A value-returning function returns only integer values. (4) f. A variable name cannot be passed to a value parameter. (3, 6) g. If a C++ function does not use parameters, parentheses around the empty parameter list are still required. (2, 3, 6) h. In C + + , the names of the corresponding formal and actual parameters must be the same. (3, 4, 6) i. A function that changes the value of a reference parameter also changes the value of the actual parameter. (7) j. Whenever the value of a reference parameter changes, the value of the actual parameter changes. (7) k. In C++, function definitions can be nested; that is, the definition of one function can be enclosed in the body of another function. (9) l. Using global variables in a program is a better programming style than using local variables, because extra variables can be avoided. (10) m. In a program, global constants are as dangerous as global variables. (10) n. The memory for a static variable remains allocated between function calls. (11)Why do you need to include function prototypes in a program that contains user-defined functions? (5)C++ Programming problem: Write a program, using a void function, that takes as input an integer and outputs two times the number if it is even; otherwise it outputs five times the number. Then, using a void function, write a program that takes as input two integer values, say n and m. The function returns the sum and average of all the numbers between n and m (inclusive).c++ computer language given the function header: void sum(int x=2, float y=3, int z =100) then which of the following is a valid function call? (choose all possible) a.sum(9); b.sum(a,b,5); c.sum(a,b); d.sum();PROGRAMMING LANGUAGE: C++ Note: Kindly refer to the attached screenshot for the sample program. 1. Identify the format of the function used: no return type & no parameter, with return type & no parameter, no return type & with parameter and with return type & with parameter. 2. Identify the format and actual parameters. 3. Identify the function signature 4. Identify parameter if value parameter, reference parameter or constant reference parameter is used. 5. Identify the the scope of variable used. 6. Identify the type of C++ function is used.SEE MORE QUESTIONS
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