Dado un entero positivo n, imprima un patrón numérico en forma de reloj de arena.
Ejemplos:
Input : rows_no = 7
Output :
1 2 3 4 5 6 7
2 3 4 5 6 7
3 4 5 6 7
4 5 6 7
5 6 7
6 7
7
6 7
5 6 7
4 5 6 7
3 4 5 6 7
2 3 4 5 6 7
1 2 3 4 5 6 7
C++
// CPP code for hour glass
// pattern.
#include <iostream>
using namespace std;
// Function definition
void pattern(int rows_no)
{
int i, j, k;
// for loop for printing
// upper half
for (i = 1; i <= rows_no; i++) {
// printing i spaces at
// the beginning of each row
for (k = 1; k < i; k++)
cout << " ";
// printing i to rows value
// at the end of each row
for (j = i; j <= rows_no; j++)
cout << j << " ";
cout << endl;
}
// for loop for printing lower half
for (i = rows_no - 1; i >= 1; i--) {
// printing i spaces at the
// beginning of each row
for (k = 1; k < i; k++)
cout << " ";
// printing i to rows value
// at the end of each row
for (j = i; j <= rows_no; j++)
cout << j << " ";
cout << endl;
}
}
// Driver code
int main()
{
// taking rows value from the user
int rows_no = 7;
pattern(rows_no);
return 0;
}
Java
// Java code for hour glass
// pattern.
import java.io.*;
class GFG
{
// Function definition
static void pattern(int rows_no)
{
int i, j, k;
// for loop for printing
// upper half
for (i = 1; i <= rows_no; i++) {
// printing i spaces at
// the beginning of each row
for (k = 1; k < i; k++)
System.out.print(" ");
// printing i to rows value
// at the end of each row
for (j = i; j <= rows_no; j++)
System.out.print(j + " ");
System.out.println();
}
// for loop for printing lower half
for (i = rows_no - 1; i >= 1; i--)
{
// printing i spaces at the
// beginning of each row
for (k = 1; k < i; k++)
System.out.print(" ");
// printing i to rows value
// at the end of each row
for (j = i; j <= rows_no; j++)
System.out.print(j + " ");
System.out.println();
}
}
// Driver code
public static void main (String[] args)
{
// taking rows value from the user
int rows_no = 7;
pattern(rows_no);
}
}
// This code is contributed by vt_m.
Python3
# Python3 code for hour glass pattern
# Function definition
def pattern(rows_no):
# for loop for printing upper half
for i in range(1, rows_no + 1):
# printing i spaces at the
# beginning of each row
for k in range(1, i):
print(" ", end = "")
# printing i to rows value
# at the end of each row
for j in range(i, rows_no + 1):
print(j, end = " ")
print()
# for loop for printing lower half
for i in range(rows_no - 1, 0, -1):
# printing i spaces at the
# beginning of each row
for k in range(1, i):
print(" ", end = "")
# printing i to rows value
# at the end of each row
for j in range(i, rows_no + 1):
print(j, end = " ")
print()
# Driver code
# taking rows value from the user
rows_no = 7
pattern(rows_no)
# This code is contributed
# by ihritik
C#
// C# code for hour glass
// pattern.
using System;
class GFG
{
// Function definition
static void pattern(int rows_no)
{
int i, j, k;
// for loop for printing
// upper half
for (i = 1; i <= rows_no; i++) {
// printing i spaces at
// the beginning of each row
for (k = 1; k < i; k++)
Console.Write(" ");
// printing i to rows value
// at the end of each row
for (j = i; j <= rows_no; j++)
Console.Write(j + " ");
Console.WriteLine();
}
// for loop for printing lower half
for (i = rows_no - 1; i >= 1; i--)
{
// printing i spaces at the
// beginning of each row
for (k = 1; k < i; k++)
Console.Write(" ");
// printing i to rows value
// at the end of each row
for (j = i; j <= rows_no; j++)
Console.Write(j + " ");
Console.WriteLine();
}
}
// Driver code
public static void Main ()
{
// taking rows value from the user
int rows_no = 7;
pattern(rows_no);
}
}
// This code is contributed by vt_m.
PHP
<?php
// PHP code for hour glass pattern
// Function definition
function pattern($rows_no)
{
// for loop for printing
// upper half
for ($i = 1; $i <= $rows_no; $i++)
{
// printing i spaces at
// the beginning of each row
for ($k = 1; $k < $i; $k++)
echo " ";
// printing i to rows value
// at the end of each row
for ($j = $i; $j <= $rows_no; $j++)
echo $j." ";
echo "\n";
}
// for loop for printing lower half
for ($i = $rows_no - 1; $i >= 1; $i--)
{
// printing i spaces at the
// beginning of each row
for ($k = 1; $k < $i; $k++)
echo " ";
// printing i to rows value
// at the end of each row
for ($j = $i; $j <= $rows_no; $j++)
echo $j." ";
echo "\n";
}
}
// Driver code
$rows_no = 7;
pattern($rows_no);
// This code is contributed by mits
?>
Javascript
<script>
// Javascript code for hour glass
// pattern.
// Function definition
function pattern( rows_no)
{
let i, j, k;
// for loop for printing
// upper half
for (i = 1; i <= rows_no; i++)
{
// printing i spaces at
// the beginning of each row
for (k = 1; k < i; k++)
document.write(" ");
// printing i to rows value
// at the end of each row
for (j = i; j <= rows_no; j++)
document.write(j + " ");
document.write("<br/>");
}
// for loop for printing lower half
for (i = rows_no - 1; i >= 1; i--)
{
// printing i spaces at the
// beginning of each row
for (k = 1; k < i; k++)
document.write(" ");
// printing i to rows value
// at the end of each row
for (j = i; j <= rows_no; j++)
document.write(j + " ");
document.write("<br/>");
}
}
// Driver code
// taking rows value from the user
let rows_no = 7;
pattern(rows_no);
// This code is contributed by gauravrajput1
</script>
Producción :
1 2 3 4 5 6 7
2 3 4 5 6 7
3 4 5 6 7
4 5 6 7
5 6 7
6 7
7
6 7
5 6 7
4 5 6 7
3 4 5 6 7
2 3 4 5 6 7
1 2 3 4 5 6 7
Publicación traducida automáticamente
Artículo escrito por nikunj_agarwal y traducido por Barcelona Geeks. The original can be accessed here. Licence: CCBY-SA