Computers and Technology, 10.03.2020 07:02 ItsLeyArt

Can someone help with this assignment for C++? We were just introduced to loops, specifically while loop, do-while loop, for loop, and nested loops.
Write a program that reads a sequence of integers and prints the following:
The number of odd and even numbers of inputs
Use a sentinel value to signal the end of inputs. If the sentinel value is the first you enter, give a message "NO input is entered!".
Input Validation: Do not accept a negative number.

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Answer from: Barret07

#include <iostream>using namespace std;int main(){ int value; int oddCount = 0; int evenCount = 0; cout<<"Input a positive number: "; cin>> value; if(value == -1){ cout<<"NO input is entered!"; return 0; } if(value < -1) { cout<<"The input number must be positive"; return 0; } while(value != -1){ if(value % 2 == 0){ evenCount++; }else{ oddCount++; } cout<<"Input a positive number: "; cin>>value; if(value < -1){ cout<<"Wrong input number\n"; return 0; } } cout<<"Number of odd number: "<< oddCount<<"\n"; cout<<"Number of even number: "<< evenCount; return 0;}

Explanation:

Firstly, create three variables, value, oddCount and evenCount (Line 7-9). The value variable is to hold the input number from user (Line 11 -12). oddCount and evenCount are to track the number of occurrence of even and odd number of the user input (Line 21-25).

The sentinel value here is -1 and therefore if user enter -1 as first input, the message "NO input is entered!" will be displayed. (Line 14).

If user input a negative value other than -1 , display the alert message to user and terminate the program (Line 19-22).

We check if the value modulus by two is zero, this means it is an even number and then increment evenCount by one (Line 26-27). Otherwise increment oddCount by one (Line 28-29).

After that prompt the user to input another number again and repeat the loop (Line 31-36). So long as the user don't enter -1, the while loop will just keep running.

At last, print the number of odd and even number (Line 40-41).

Answer from: Quest

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Can someone help with this assignment for C++? We were just introduced to loops, specifically while...