Ca7-1 Arrays . Filename: ca7-1a.cpp This program that reads 10 numbers into an a
ID: 3554728 • Letter: C
Question
Ca7-1 Arrays
.
Filename: ca7-1a.cpp
This program that reads 10 numbers into an array and prints them out.
// Name: John Smith
// This program uses a function
#include <iostream>
using namespace std;
int main()
{ int num[10];
// read the numbers into an array
for ( i = 0; i<10 ; ++i)
{
cin>>num[i];
}
// print out the numbers
cout<<" Our List of Numbers"<<endl;
for ( i = 0; i<10 ; ++i)
{
cout<<num[i]<<" ";
}
cout<<endl;
return 0;
}
Write a program that will read in 15 numbers into an array. Then print out the 15 numbers
Filename: ca7-1b.cpp
This program reads in a list of numbers, print out the list, then triple each number, then print out list again. Since we read the numbers into the array first, we can use a for loop to go though all of the numberseveral times.
Example Program: double each number
// Name: John Smith
// This program uses a function
#include <iostream>
using namespace std;
int main()
{ int num[10];
//read in each number
for ( i = 0; i<10 ; ++i)
{
cin>>num[i];
}
//print out each number
cout<<" Our original List of Numbers"<<endl;
for ( i = 0; i<10 ; ++i)
{
cout<<num[i]<<" ";
}
cout<<endl;
//go thru the list and double each number
for ( i = 0; i<10 ; ++i)
{
num[i] = num[i] * 2;
}
// print out the numbers
cout<<" Our List of Numbers doubled"<<endl;
for ( i = 0; i<10 ; ++i)
{
cout<<num[i]<<" ";
}
cout<<endl;
return 0;
}
Write program reads in a list of 20 numbers, print out the list, then multiply each number by 10, then print out list again. Since we read the numbers into the array first, we can use a for loop to go though all of the numberseveral times
Explanation / Answer
Dear,
1.
Program reads 15 numbera and displays them
//Header file section
#include <iostream>
using namespace std;
int main()
{
int num[15];
// read the numbers into an array
for ( int i = 0; i<15 ; i++)
{
cin>>num[i];
}
// print out the numbers
cout<<" Our List of Numbers"<<endl;
for ( int i = 0; i<15 ; i++)
{
cout<<num[i]<<" ";
}
cout<<endl;
return 0;
}
2.
//Header file section
#include <iostream>
using namespace std;
int main()
{ int num[20];
// read the numbers into an array
for ( int i = 0; i<20 ; i++)
cin>>num[i];
for ( int i = 0; i<20 ; i++)
num[i] = num[i]*10;
// print out the numbers
cout<<" Our List of Numbers"<<endl;
for ( int i = 0; i<20 ; i++)
cout<<num[i]<<" ";
cout<<endl;
return 0;
}