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Given the number of rows of the Triangle, the task is to Print an Inverted Right Triangle Star Pattern in C, C++, and Python.
Examples:
Example1:
Input:
Given number of rows of the Inverted Right Triangle Pattern =13
Output:
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Example2:
Input:
Given number of rows of the Inverted Right Triangle Pattern =9 Given character to print ='<'
Output:
< < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < <
Program to Print Inverted Right Triangle Star Pattern in C, C++, and Python
Below are the ways to print an Inverted Right Triangle Star Pattern in C, C++, and Python.
Method #1: Using For Loop(Star Character)
Approach:
- Give the number of rows of the Inverted Right Triangle as static input and store it in a variable.
- Loop from the given number of rows to 0 using For loop and take iterator value as m.
- Loop till the iterator value of the first loop using another nested For loop.
- Print the star and space character in the inner for loop.
- Print the newline character after inner for loop.
- The Exit of the Program.
1) Python Implementation
Below is the implementation:
# Give the number of rows of the Inverted Right Triangle as static input and store it in a variable.
triNumRows = 13
# Loop from the given number of rows to 0 using For loop and take iterator value as m.
for m in range(triNumRows, -1, -1):
# Loop till the iterator value of the first loop using another nested For loop.
for n in range(m):
# Print the star and space character in the inner for loop.
print('*', end=' ')
# Print the newline character after inner for loop.
print()
Output:
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2) C++ Implementation
Below is the implementation:
#include <iostream>
using namespace std;
int main()
{
// Give the number of rows of the Inverted Right
// Triangle as static input and store it in a variable.
int triNumRows = 5;
// Loop from the given number of rows to 0 using For
// loop and take iterator value as m.
for (int m = triNumRows; m >= 0; m--) {
// Loop till the iterator value of the first loop
// using another nested For loop.
for (int n = 0; n < m; n++) {
// Print the star and space character in the
// inner for loop.
cout << "* ";
}
// Print the newline character after inner for loop.
cout << endl;
}
return 0;
}
Output:
* * * * * * * * * * * * * * *
3) C Implementation
Below is the implementation:
#include <stdio.h>
int main()
{
// Give the number of rows of the Inverted Right
// Triangle as static input and store it in a variable.
int triNumRows = 13;
// Loop from the given number of rows to 0 using For
// loop and take iterator value as m.
for (int m = triNumRows; m >= 0; m--) {
// Loop till the iterator value of the first loop
// using another nested For loop.
for (int n = 0; n < m; n++) {
// Print the star and space character in the
// inner for loop.
printf("* ");
}
// Print the newline character after inner for loop.
printf("\n");
}
return 0;
}
Output:
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Method #2: Using For Loop(User Character)
Approach:
- Give the number of rows of the Inverted Right Triangle as static input and store it in a variable.
- Give the character to print as user input and store it in a variable.
- Loop from the given number of rows to 0 using For loop and take iterator value as m.
- Loop till the iterator value of the first loop using another nested For loop.
- Print the given character and space character in the inner for loop.
- Print the newline character after inner for loop.
- The Exit of the Program.
1) Python Implementation
- Give the number of rows of the Inverted Right Triangle as user input using int(input()) and store it in a variable.
- Give the Character as user input using input() and store it in another variable.
Below is the implementation:
# Give the number of rows of the Inverted Right Triangle as user input using int(input()) and store it in a variable.
triNumRows = int(input(
'Enter some random number of rows of the Inverted Right Triangle Pattern = '))
# Give the Character as user input using input() and store it in another variable.
givencharacter = input('Enter some random character = ')
# Loop from the given number of rows to 0 using For loop and take iterator value as m.
for m in range(triNumRows, -1, -1):
# Loop till the iterator value of the first loop using another nested For loop.
for n in range(m):
# Print the given character with the space
print(givencharacter, end=' ')
# Print the newline character after inner for loop.
print()
Output:
Enter some random number of rows of the Inverted Right Triangle Pattern = 7 Enter some random character = @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
2) C++ Implementation
- Give the number of rows of the Inverted Right Triangle as user input using cin and store it in a variable.
- Give the Character as user input using cin and store it in another variable.
Below is the implementation:
#include <iostream>
using namespace std;
int main()
{
// Give the number of rows of the Inverted Right
// Triangle as user input using cin and store it in a
// variable.
int triNumRows;
char givencharacter;
cout << "Enter some random number of rows of the "
"Inverted Right Triangle Pattern = "
<< endl;
cin >> triNumRows;
// Give the Character as user input using cin and store
// it in another variable.
cout << "Enter some random character = " << endl;
cin >> givencharacter;
cout << endl;
// Loop from the given number of rows to 0 using For
// loop and take iterator value as m.
for (int m = triNumRows; m >= 0; m--) {
// Loop till the iterator value of the first loop
// using another nested For loop.
for (int n = 0; n < m; n++) {
// Print the given character with the space
cout << givencharacter << " ";
}
// Print the newline character after inner for loop.
cout << endl;
}
return 0;
}
Output:
Enter some random number of rows of the Inverted Right Triangle Pattern = 15 Enter some random character = ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
3) C Implementation
- Give the number of rows of the Inverted Right Triangle as user input using scanf and store it in a variable.
- Give the Character as user input using scanf and store it in another variable.
Below is the implementation:
#include <stdio.h>
int main()
{
// Give the number of rows of the Inverted Right
// Triangle as user input using scanf and store it in a
// variable.
int triNumRows;
char givencharacter;
// Give the Character as user input using scanf and
// store it in another variable.
scanf("%d", &triNumRows);
scanf("%c", &givencharacter);
printf("\n");
// Loop from the given number of rows to 0 using For
// loop and take iterator value as m.
for (int m = triNumRows; m >= 0; m--) {
// Loop till the iterator value of the first loop
// using another nested For loop.
for (int n = 0; n < m; n++) {
// Print the given character and space character
// in the inner for loop.
printf("%c ", givencharacter);
}
// Print the newline character after inner for loop.
printf("\n");
}
return 0;
}
Output:
9< < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < <
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