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