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Given the number of rows of the right-angled triangle star pattern in C, C++, and python.
Examples:
Example1:
Input:
given number of rows of the right-angled triangle star pattern=19
Output:
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Example2:
Input:
given number of rows of the right-angled triangle star pattern=11 given character to print =^
Output:
^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
Program to Print Right Angled Triangle Star Pattern in C, C++, and Python
Below are the ways to print the right-angled triangle star pattern in C, C++, and Python.
Method #1: Using For loop (Star Character)
Approach:
- Give the number of rows of the right-angled triangle star pattern as static input and store it in a variable.
- Loop from 1 to the number of rows using For loop.
- Loop from 1 to first loop iterator value using another Nested For loop.
- Print the star character with space in the inner For loop.
- Print the newline character after ending of inner For loop.
- The Exit of the program.
1) Python Implementation
Below is the implementation:
# Give the number of rows of the right-angled triangle star pattern
# as static input and store it in a variable.
trianglerows = 19
# Loop from 1 to the number of rows using For loop.
for m in range(1, trianglerows+1):
# Loop from 1 to first loop iterator value using another Nested For loop.
for n in range(1, m+1):
# Print the star character with space in the inner For loop.
print('*', end=' ')
#Print the newline character after ending of 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 right-angled triangle
// star pattern as static input and store it in a
// variable.
int trianglerows = 11;
// Loop from 1 to the number of rows using For loop.
for (int m = 1; m <= trianglerows;
m++) { // Loop from 1 to first loop iterator value
// using another Nested For loop.
for (int n = 1; n <= m; n++) {
// Print the star character with space in the
// inner For loop.
cout << "* ";
}
// Print the newline character after ending of 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 right-angled triangle
// star pattern as static input and store it in a
// variable.
int trianglerows = 9;
// Loop from 1 to the number of rows using For loop.
for (int m = 1; m <= trianglerows;
m++) { // Loop from 1 to first loop iterator value
// using another Nested For loop.
for (int n = 1; n <= m; n++) {
// Print the star character with space in the
// inner For loop.
printf("* ");
}
// Print the newline character after ending of inner
// For loop.
printf("\n");
}
return 0;
}
Output:
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Method #2: Using For loop (User Character )
Approach:
- Give the number of rows of the right-angled triangle star pattern as user input and store it in a variable.
- Loop from 1 to the number of rows using For loop.
- Loop from 1 to first loop iterator value using another Nested For loop.
- Print the star character with space in the inner For loop.
- Print the newline character after ending of inner For loop.
- The Exit of the program.
1) Python Implementation
- Give the number of rows of the right-angled 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 right-angled triangle as user input using int(input()) and store it in a variable.
trianglerows = 17
# Give the Character as user input using input() and store it in another variable.
givencharacter = '{'
for m in range(1, trianglerows+1):
# Loop from 1 to first loop iterator value using another Nested For loop.
for n in range(1, m+1):
# Print the star character with space in the inner For loop.
print(givencharacter, end=' ')
# Print the newline character after ending of inner For loop.
print()
Output:
Enter some random number of rows of the right-angled triangle = 14 Enter some random character = | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
2) C++ Implementation
- Give the number of rows of the right-angled 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()
{
int trianglerows;
char givencharacter;
// Give the number of rows of the right-angled triangle
// as user input using cin and store it in a variable.
cout << "Enter some random number of rows of the "
"right-angled triangle = "
<< endl;
cin >> trianglerows;
// 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 1 to the number of rows using For loop.
for (int m = 1; m <= trianglerows;
m++) { // Loop from 1 to first loop iterator value
// using another Nested For loop.
for (int n = 1; n <= m; n++) {
// Print the star character with space in the
// inner For loop.
cout << givencharacter << " ";
}
// Print the newline character after ending of inner
// For loop.
cout << endl;
}
return 0;
}
Output:
Enter some random number of rows of the right-angled triangle = 7 Enter some random character = & & & & & & & & & & & & & & & & & & & & & & & & & & & & &
3) C Implementation
- Give the number of rows of the right-angled 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()
{
int trianglerows;
char givencharacter;
// Give the number of rows of the right-angled triangle
// as user input using cin and store it in a variable.
scanf("%d", &trianglerows);
// Give the Character as user input using cin and store
// it in another variable.
scanf("%c", &givencharacter);
printf("\n");
// Loop from 1 to the number of rows using For loop.
for (int m = 1; m <= trianglerows;
m++) { // Loop from 1 to first loop iterator value
// using another Nested For loop.
for (int n = 1; n <= m; n++) {
// Print the star character with space in the
// inner For loop.
printf("%c ", givencharacter);
}
// Print the newline character after ending of inner
// For loop.
printf("\n");
}
return 0;
}
Output:
11^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
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