Question

Nested for loops. C++

Integer userValue is read from input. For each number from 1 to userValue, output the number indented by the number's value of dash characters, '-'. End each output with a newline.

Ex: If the input is 5, then the output is:
-1
--2
---3
----4
-----5
------------------------
#include
using namespace std;

int main() {
int userValue;
int i;
int j;

cin >> userValue;

/* Your code goes here */

return 0;
}

Answer 1

To print a pattern of numbers each preceded by dashes equal to the number's value, we use two nested for loops in C++. The outer loop runs from 1 to the user's input value and the inner loop prints the dashes before printing the loop index followed by a newline.

Step-by-step explanation:

The student's question revolves around using nested for loops in C++ to display a pattern based on user input. The code should read an integer value, userValue, and output a sequence of lines where each line starts with a number of dashes equal to the line number, followed by the line number itself. For example, if userValue is 5, the expected pattern would be:

-1
--2
---3
----4
-----5

To achieve this, you can use two for loops: The outer loop to iterate from 1 to userValue, and the inner loop to print the dashes. Here's how you can implement it:

#include <iostream>
using namespace std;
int main() {
int userValue;
cin >> userValue;

for (int i = 1; i <= userValue; ++i) {
for(int j = 0; j < i; ++j) {
cout << '-';
}
cout << i << '\\';
}

return 0;
}

This code will create the desired indentation using dashes and output the numbers indented as specified by the user's input, followed by a new line.

Answer 2

Here's the code that solves the problem using nested for loops in C++:

Read userValue from input

for i = 1 to userValue

// print i with i number of dashes

for j = 1 to i

print "-"

end for

print i and a newline character

end for

Step-by-step explanation:

Step-by-step explanation:

We first read the user input userValue from input.

We use a for loop to iterate from 1 to userValue.

Inside the loop, we use another for loop to print the required number of dashes before the number. The number of dashes is equal to the current value of i.

We print the number i after the dashes, and end the line with a newline character.

After the loop ends, the program terminates.

Note: This is a general pseudocode that can be implemented in any programming language. The actual implementation may vary depending on the programming language used.