Preprocessor directives begin with which of the following symbol: a. * b. # c. $ d. ! e. None of these.
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Preprocessor directives begin with which of the following symbol:
a. *
b. #
c. $
d. !
e. None of these.
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- Preprocessor directives begin with aA) #B) !C) <D) *E) None of the abovea. the program segment that sets the number of decimal places to 4 and displays the results? b. the program segment that gets your inputs? c. the preprocessor directives? d. the C++ statement/s that declares your variables?When do preprocessor directives execute?A) Before the compiler compiles your programB) After the compiler compiles your programC) At the same time as the compiler compiles your programD) None of the above
- 4. During each summer, John and Jessica grow vegetables in their backyard and buy seeds and fertilizer from a local nursery. The nursery carries different types of vegetable fertilizers in various bag sizes. When buying a particular fertilizer, they want to know the price of the fertilizer per pound and the cost of fertilizing per square foot. The following program prompts the user to enter the size of the fertilizer bag, in pounds, the cost of the bag, and the area, in square feet, that can be covered by the bag. The program should output the desired result. However, the program contains logic errors. Find and correct the logic errors so that the program works properly. // Logic errors. #include #include using namespace std; int main() { double costs double area; double bagsize; cout > bagsize; cout > cost; cout > area; cout << endl; cout << "The cost of the fertilizer per pound is: $" << bagsize / cost << endl; cout << "The cost of fertilizing per square foot is: $" << area / cost << endl; return 0; }to b? What value will be assigned to c?4. What will the following program display?def main():x = 1y = 3.4print(x, y)change_us(x, y)print(x, y)def change_us(a, b):a = 0b = 0print(a, b)main()Explain the meaning of the following C++ Statements. a. using namespace std;b. system (cls);c. jum_buf menu;d. #include<math.h>e. std::cout<<"Hello LJMU !!/n";
- Correct and detailed answer will be Upvoted else downvoted. Thank you! What will be the output of the following C++ code? #include <iostream>using namespace std;int main(){float f1 = 0.5;double f2 = 0.5;if (f1 == 0.5f)cout << "equal";elsecout << "not equal";return 0;}5- Which part of the following expression is evaluated first by the Python interpreter? (1 + 3 / 5) * 6 - 2 a. 1 + 3 b. 3 / 5 c. 6 - 2 d. 5 * 6???????? 2:(in python 3) Take the username and password from a user and check the validity of the password using the following rules: 1. Password must contain at least 2 digits, at least one uppercase letter, at least one lowercase letter, and at least one of the special characters (*,_,%,$,#,@) in it. If one or more of these are missing, show which ones are missing. 2. The password must not contain the username in it. If it does, the password will be invalid. 3. The password must have a length of 8 or more. Sample Input 1: Username: IzukuMidoriya Password: izukuMidoriya24# Output1: Invalid Password: Password cannot contain username Sample Input 2: Username: IzukuMidoriya Password: Iamhere@12 Output2: Valid password Sample Input 3: Username: IzukuMidoriya Password: Ia4%Lp Output3: Invalid Password: Password too short Sample Input 4: Username: IzukuMidoriya Password: izuku@Midoriya24# Output4: Valid Password Sample Input 5: Username: IzukuMidoriya Password:…