part 3
C++
Write a program that repeatedly collects positive integers from the user, stopping when the user enters a negative number or zero. After that, output the largest positive number entered. A sample run should appear on the screen like the text below. Enter a number: 3 Enter a number: 10 Enter a number: 2 Enter a number: -213 Output: The largest positive number you entered was 10. Write a full program that asks the user to enter a phrase and then a single letter. The program should then report how many times that letter occurred in the phrase displaying the letter with double quotes around it. An example is shown below where the user searched for lower-case \"g\".
#include<iostream>
using namespace std;
int main()
{
int num,large=0;
while(1)
{
cout<<\"Enter A Number : \";
cin>>num;
if(num<=0)
break;
else
if(num>large)
large=num;
}
cout<<\"The Largest Positive number you entered was \"<<large<<\".\";
return 0;
}