Check if matrix is lower triangular

Here given code implementation process.

/*
  C Program 
+ Check if matrix is lower triangular
*/
#include<stdio.h>
//Size of matrix
#define ROW 4
#define COL 4

//Display the element of given 2d matrix
void show_data(int matrix[][COL]) {

  
  for (int i = 0; i < ROW; ++i) {

    for (int j = 0; j < COL; ++j) {

      printf("%4d", matrix[i][j]);
    }

    printf("\n");
  }

  printf("\n");
}
//Check if given matrix is lower triangular or not
void lower_triangular(int matrix[ROW][COL])
{
  int status=1;
 
  for (int i = 0; i < COL && status==1; ++i)
  {
    for (int j = i+1; j < ROW && status==1; ++j)
    {
      if(matrix[i][j] != 0)
      {
        //When matrix is not lower triangular
        status=0;
      }
    }
    
  }
  if(status==1)
  {
    printf("  Yes\n");
  }
  else
  {
    printf("  NO\n");
  }
 
}
int main(){

  int matrix[ROW][COL]=  { 
    { 1, 0, 0, 0 }, 
    { 1, 2, 0, 0 }, 
    { 1, 2, 3, 0 },
    { 1, 2, 3, 4 }  }; 
  show_data(matrix);
  lower_triangular(matrix);

  return 0;
}

Output

   1   0   0   0
   1   2   0   0
   1   2   3   0
   1   2   3   4

  Yes
/*
  C++ Program
  Check if matrix is lower triangular
*/
#include<iostream>
#define ROW 4
#define COL 4
using namespace std;

class MyMatrix {
	public:

		//Display the element of given 2d matrix
		void show_data(int matrix[][COL], int row, int col) {
			for (int i = 0; i < row; ++i) {
				for (int j = 0; j < col; ++j) {
					cout << " " << matrix[i][j];
				}
				cout << "\n";
			}
			cout << "\n";
		}
	//Check if given matrix is lower triangular or not
	void lower_triangular(int matrix[][COL], int row, int col) {
		int status = 1;
		for (int i = 0; i < col && status == 1; ++i) {
			for (int j = i + 1; j < row && status == 1; ++j) {
				if (matrix[i][j] != 0) {
					//When matrix is not lower triangular
					status = 0;
				}
			}
		}
		if (status == 1) {
			cout << " Yes\n";
		} else {
			cout << " NO\n";
		}
	}
};
int main() {
	MyMatrix obj ;
	int matrix[][COL] = {
		{
			1,
			0,
			0,
			0
		},
		{
			1,
			2,
			0,
			0
		},
		{
			1,
			2,
			3,
			0
		},
		{
			1,
			2,
			3,
			4
		}
	};
	//This is size of matrix

	obj.show_data(matrix, ROW, COL);
	obj.lower_triangular(matrix, ROW, COL);
	return 0;
}

Output

 1 0 0 0
 1 2 0 0
 1 2 3 0
 1 2 3 4

 Yes
/*
  Java Program
  Check if matrix is lower triangular
*/
public class MyMatrix {


  //Display the element of given 2d matrix
  public void show_data(int [][]matrix, int row,int col) {

    
    for (int i = 0; i < row; ++i) {

      for (int j = 0; j < col; ++j) {

        System.out.print("  "+ matrix[i][j]);
      }

      System.out.print("\n");
    }

    System.out.print("\n");
  }
  //Check if given matrix is lower triangular or not
  public void lower_triangular(int [][]matrix, int row,int col)
  {
    int status=1;
   
    for (int i = 0; i < col && status==1; ++i)
    {
      for (int j = i+1; j < row && status==1; ++j)
      {
        if(matrix[i][j] != 0)
        {
          //When matrix is not lower triangular
          status=0;
        }
      }
      
    }
    if(status==1)
    {
      System.out.print("  Yes\n");
    }
    else
    {
      System.out.print("  NO\n");
    }
   
  }

  public static void main(String[] args) 
  {
  

    MyMatrix obj = new MyMatrix();
    int [][]matrix =  { 
      { 1, 0, 0, 0 }, 
      { 1, 2, 0, 0 }, 
      { 1, 2, 3, 0 },
      { 1, 2, 3, 4 }  
    };
    //This is size of matrix
    int row = matrix.length;
    int col = matrix[0].length; 

    obj.show_data(matrix,row,col);
    obj.lower_triangular(matrix,row,col);

  }
}

Output

 1 0 0 0
 1 2 0 0
 1 2 3 0
 1 2 3 4

 Yes
/*
  C# Program
  Check if matrix is lower triangular
*/
using System;

public class MyMatrix {
	//Display the element of given 2d matrix
	public void show_data(int[,] matrix, int row, int col) {
		for (int i = 0; i < row; ++i) {
			for (int j = 0; j < col; ++j) {
				Console.Write(" " + matrix[i,j]);
			}
			Console.Write("\n");
		}
		Console.Write("\n");
	}
	//Check if given matrix is lower triangular or not
	public void lower_triangular(int[,] matrix, int row, int col) {
		int status = 1;
		for (int i = 0; i < col && status == 1; ++i) {
			for (int j = i + 1; j < row && status == 1; ++j) {
				if (matrix[i,j] != 0) {
					//When matrix is not lower triangular
					status = 0;
				}
			}
		}
		if (status == 1) {
			Console.Write(" Yes\n");
		} else {
			Console.Write(" NO\n");
		}
	}
	public static void Main(String[] args) {
		MyMatrix obj = new MyMatrix();
		int[,] matrix = {
			{
				1,
				0,
				0,
				0
			},
			{
				1,
				2,
				0,
				0
			},
			{
				1,
				2,
				3,
				0
			},
			{
				1,
				2,
				3,
				4
			}
		};
		//This is size of matrix
		int row = matrix.GetLength(0);
		int col = matrix.GetLength(1);
		obj.show_data(matrix, row, col);
		obj.lower_triangular(matrix, row, col);
	}
}

Output

 1 0 0 0
 1 2 0 0
 1 2 3 0
 1 2 3 4

 Yes
<?php
/*
  Php Program
  Check if matrix is lower triangular
*/
class MyMatrix {
	//Display the element of given 2d matrix
	public 	function show_data($matrix, $row, $col) {
		for ($i = 0; $i < $row; ++$i) {
			for ($j = 0; $j < $col; ++$j) {
				echo(" ". $matrix[$i][$j]);
			}
			echo("\n");
		}
		echo("\n");
	}
	//Check if given matrix is lower triangular or not
	public 	function lower_triangular($matrix, $row, $col) {
		$status = 1;
		for ($i = 0; $i < $col && $status == 1; ++$i) {
			for ($j = $i + 1; $j < $row && $status == 1; ++$j) {
				if ($matrix[$i][$j] != 0) {
					//When matrix is not lower triangular
					$status = 0;
				}
			}
		}
		if ($status == 1) {
			echo(" Yes\n");
		} else {
			echo(" NO\n");
		}
	}
};

function main() {
	$obj = new MyMatrix();
	$matrix = array(
      array(1, 0, 0, 0), 
      array(1, 2, 0, 0), 
      array(1, 2, 3, 0), 
      array(1, 2, 3, 4)
    );
	//This is size of matrix
	$row = count($matrix);
	$col = count($matrix[0]);
	$obj->show_data($matrix, $row, $col);
	$obj->lower_triangular($matrix, $row, $col);

}
main();

Output

 1 0 0 0
 1 2 0 0
 1 2 3 0
 1 2 3 4

 Yes
/*
  Node Js Program
  Check if matrix is lower triangular
*/
class MyMatrix {
	//Display the element of given 2d matrix
	show_data(matrix, row, col) {
		for (var i = 0; i < row; ++i) {
			for (var j = 0; j < col; ++j) {
				process.stdout.write(" " + matrix[i][j]);
			}

			process.stdout.write("\n");
		}

		process.stdout.write("\n");
	}

	//Check if given matrix is lower triangular or not
	lower_triangular(matrix, row, col) {
		var status = 1;
		for (var i = 0; i < col && status == 1; ++i) {
			for (var j = i + 1; j < row && status == 1; ++j) {
				if (matrix[i][j] != 0) {
					//When matrix is not lower triangular
					status = 0;
				}
			}
		}

		if (status == 1) {
			process.stdout.write(" Yes\n");
		} else {
			process.stdout.write(" NO\n");
		}
	}
}

function main(args) {
	var obj = new MyMatrix();
	var matrix = [
		[1, 0, 0, 0],
		[1, 2, 0, 0],
		[1, 2, 3, 0],
		[1, 2, 3, 4]
	];
	//This is size of matrix
	var row = matrix.length;
	var col = matrix[0].length;
	obj.show_data(matrix, row, col);
	obj.lower_triangular(matrix, row, col);
}

main();

Output

 1 0 0 0
 1 2 0 0
 1 2 3 0
 1 2 3 4

 Yes
#   Python 3 Program
#   Check if matrix is lower triangular
class MyMatrix :
	# Display the element of given 2d matrix
	def show_data(self, matrix, row, col) :
		i = 0
		while (i < row) :
			j = 0
			while (j < col) :
				print(" ", matrix[i][j], end = "")
				j += 1
			
			print("\n", end = "")
			i += 1
		
		print("\n", end = "")
	
	# Check if given matrix is lower triangular or not
	def lower_triangular(self, matrix, row, col) :
		status = 1
		i = 0
		while (i < col and status == 1) :
			j = i + 1
			while (j < row and status == 1) :
				if (matrix[i][j] != 0) :
					# When matrix is not lower triangular
					status = 0
				
				j += 1
			
			i += 1
		
		if (status == 1) :
			print(" Yes\n", end = "")
		else :
			print(" NO\n", end = "")
		
	

def main() :
	obj = MyMatrix()
	matrix = [
		[1, 0, 0, 0],
		[1, 2, 0, 0],
		[1, 2, 3, 0],
		[1, 2, 3, 4]
	]
	row = len(matrix)
	col = len(matrix[0])
	obj.show_data(matrix, row, col)
	obj.lower_triangular(matrix, row, col)


if __name__ == "__main__":
	main()

Output

  1  0  0  0
  1  2  0  0
  1  2  3  0
  1  2  3  4

 Yes
#   Ruby Program
#   Check if matrix is lower triangular
class MyMatrix 
	# Display the element of given 2d matrix
	def show_data(matrix, row, col) 
		i = 0
		while (i < row) 
			j = 0
			while (j < col) 
				print(" ", matrix[i][j])
				j += 1
			end
			print("\n")
			i += 1
		end
		print("\n")
	end
	# Check if given matrix is lower triangular or not
	def lower_triangular(matrix, row, col) 
		status = 1
		i = 0
		while (i < col && status == 1) 
			j = i + 1
			while (j < row && status == 1) 
				if (matrix[i][j] != 0) 
					# When matrix is not lower triangular
					status = 0
				end
				j += 1
			end
			i += 1
		end
		if (status == 1) 
			print(" Yes\n")
		else 
			print(" NO\n")
		end
	end
end
def main() 
	obj = MyMatrix.new()
	matrix = [
		[1, 0, 0, 0],
		[1, 2, 0, 0],
		[1, 2, 3, 0],
		[1, 2, 3, 4]
	]
	row = matrix.length
	col = matrix[0].length
	obj.show_data(matrix, row, col)
	obj.lower_triangular(matrix, row, col)
end
main()

Output

 1 0 0 0
 1 2 0 0
 1 2 3 0
 1 2 3 4

 Yes
/*
  Scala Program
  Check if matrix is lower triangular
*/
class MyMatrix {
	//Display the element of given 2d matrix
	def show_data(matrix: Array[Array[Int]], row: Int, col: Int): Unit = {
		var i: Int = 0;
		while (i < row) {
			var j: Int = 0;
			while (j < col) {
				print(" " + matrix(i)(j));
				j += 1;
			}
			print("\n");
			i += 1;
		}
		print("\n");
	}
	//Check if given matrix is lower triangular or not
	def lower_triangular(matrix: Array[Array[Int]], row: Int, col: Int): Unit = {
		var status: Int = 1;
		var i: Int = 0;
		while (i < col && status == 1) {
			var j: Int = i + 1;
			while (j < row && status == 1) {
				if (matrix(i)(j) != 0) {
					//When matrix is not lower triangular
					status = 0;
				}
				j += 1;
			}
			i += 1;
		}
		if (status == 1) {
			print(" Yes\n");
		} else {
			print(" NO\n");
		}
	}
}
object Main {
	def main(args: Array[String]): Unit = {
		val obj: MyMatrix = new MyMatrix();
		val matrix: Array[Array[Int]] = Array(
			Array(1, 0, 0, 0),
			Array(1, 2, 0, 0),
			Array(1, 2, 3, 0),
			Array(1, 2, 3, 4));
		val row: Int = matrix.length;
		val col: Int = matrix(0).length;
		obj.show_data(matrix, row, col);
		obj.lower_triangular(matrix, row, col);
	}
}

Output

 1 0 0 0
 1 2 0 0
 1 2 3 0
 1 2 3 4

 Yes
/*
  Swift Program
  Check if matrix is lower triangular
*/
class MyMatrix {
	//Display the element of given 2d matrix
	func show_data(_ matrix: [
		[Int]
	], _ row: Int, _ col: Int) {
		var i: Int = 0;
		while (i < row) {
			var j: Int = 0;
			while (j < col) {
				print(" ", matrix[i][j], terminator: "");
				j += 1;
			}
			print("\n", terminator: "");
			i += 1;
		}
		print("\n", terminator: "");
	}
	//Check if given matrix is lower triangular or not
	func lower_triangular(_ matrix: [
		[Int]
	], _ row: Int, _ col: Int) {
		var status: Int = 1;
		var i: Int = 0;
		while (i < col && status == 1) {
			var j: Int = i + 1;
			while (j < row && status == 1) {
				if (matrix[i][j] != 0) {
					//When matrix is not lower triangular
					status = 0;
				}
				j += 1;
			}
			i += 1;
		}
		if (status == 1) {
			print(" Yes\n", terminator: "");
		} else {
			print(" NO\n", terminator: "");
		}
	}
}
func main() {
	let obj: MyMatrix = MyMatrix();
	let matrix: [
		[Int]
	] = [
		[1, 0, 0, 0],
		[1, 2, 0, 0],
		[1, 2, 3, 0],
		[1, 2, 3, 4]
	];
	let row: Int = matrix.count;
	let col: Int = matrix[0].count;
	obj.show_data(matrix, row, col);
	obj.lower_triangular(matrix, row, col);
}
main();

Output

  1  0  0  0
  1  2  0  0
  1  2  3  0
  1  2  3  4

 Yes


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