Problem Statement:- Program to find the position of an element in a 2d array or Matrix.
Sample Input/Output:-
Data requirement:-
Input Data:- row_size, col_size, matrix[][]
Output Data:-Search_ele,row,col
Additional Data:- i, j
Program in C
Here is the source code of the C Program to find the position of an element in a 2d array or Matrix.
#include<stdio.h>
int main()
{
int row_size,col_size;
//Get size of matrix
printf("Enter the row Size Of the Matrix:");
scanf("%d",&row_size);
printf("Enter the columns Size Of the Matrix:");
scanf("%d",&col_size);
int matrix[row_size][col_size];
//Taking input of the matrix
int i,j;
printf("Enter the Matrix Element:\n");
for(i=0;i<row_size;i++)
{
for(j=0;j<col_size;j++)
{
scanf("%d",&matrix[i][j]);
}
}
//Take input of search Element
int Search_ele;
printf("Enter the search element:");
scanf("%d",&Search_ele);
//Compute the position of the search Element
int flag=0, row, col;
for(i=0;i<row_size;i++)
{
for(j=0;j<col_size;j++)
{
if(matrix[i][j]==Search_ele)
{
flag=1;
row=i;
col=j;
}
}
}
//Display position of the search Element
if(flag==1)
printf("Position of Search Element %d is (%d, %d)",Search_ele,row,col);
else
printf("Given Search Element is not found....");
}
Input/Output:
Enter the row Size Of the Matrix:2 Enter the columns Size Of the Matrix:2 Enter the Matrix Element: 6 7 8 9 Enter the search element:9 Position of Search Element 9 is (1, 1)
Program in C++
Here is the source code of the C++ Program to find the position of an element in a 2d array or Matrix.
#include<iostream>
using namespace std;
int main()
{
int row_size,col_size;
//Get size of matrix
cout<<"Enter the row Size Of the Matrix:";
cin>>row_size;
cout<<"Enter the columns Size Of the Matrix:";
cin>>col_size;
int matrix[row_size][col_size];
//Taking input of the matrix
int i,j;
cout<<"Enter the Matrix Element:\n";
for(i=0;i<row_size;i++)
{
for(j=0;j<col_size;j++)
{
cin>>matrix[i][j];
}
}
//Take input of search Element
int Search_ele;
printf("Enter the search element:");
scanf("%d",&Search_ele);
//Compute the position of the search Element
int flag=0, row, col;
for(i=0;i<row_size;i++)
{
for(j=0;j<col_size;j++)
{
if(matrix[i][j]==Search_ele)
{
flag=1;
row=i;
col=j;
}
}
}
//Display position of the search Element
if(flag==1)
printf("Position of Search Element %d is (%d, %d)",Search_ele,row,col);
else
printf("Given Search Element is not found....");
}
Input/Output:
Enter the row Size Of the Matrix:3 Enter the columns Size Of the Matrix:3 Enter the Matrix Element: 7 2 3 1 2 4 5 6 5 Enter the search element:6 Position of Search Element 6 is (2, 1)
Program in Java
Here is the source code of the Java Program to find the position of an element in a 2d array or Matrix.
import java.util.Scanner;
public class FindPositionOfElement {
public static void main(String[] args) {
Scanner cs=new Scanner(System.in);
int row_size,col_size;
//Get size of matrix
System.out.print("Enter the row Size Of the Matrix:");
row_size=cs.nextInt();
System.out.print("Enter the columns Size Of the Matrix:");
col_size=cs.nextInt();
int matrix[][] =new int[row_size][col_size];
//Taking input of the matrix
int i,j;
System.out.println("Enter the Matrix Element:");
for(i=0;i<row_size;i++)
{
for(j=0;j<col_size;j++)
{
matrix[i][j]=cs.nextInt();
}
}
//Take input of search Element
int Search_ele;
System.out.print("Enter the search element:");
Search_ele=cs.nextInt();
//Compute the position of the search Element
int flag=0, row=0, col = 0;
for(i=0;i<row_size;i++)
{
for(j=0;j<col_size;j++)
{
if(matrix[i][j]==Search_ele)
{
flag=1;
row=i;
col=j;
}
}
}
//Display position of the search Element
if(flag==1)
System.out.println("Position of Search Element "+Search_ele+" is ("+row+","+col+")");
else
System.out.println("Given Search Element is not found....");
cs.close();
}
}
Input/Output:
Program in Python
Here is the source code of the Python Program to find the position of an element in a 2d array or Matrix.
# Get size of matrix
row_size=int(input("Enter the row Size Of the Matrix:"))
col_size=int(input("Enter the columns Size Of the Matrix:"))
matrix=[]
# Taking input of the matrix
print("Enter the Matrix Element:")
for i in range(row_size):
matrix.append([int(j) for j in input().split()])
#Take input of search Element
Search_ele=int(input("Enter the search element:"))
#Compute the position of the search Element
flag=0
row=0
col=0
for i in range(len(matrix)):
for j in range(len(matrix[0])):
if matrix[i][j]==Search_ele:
flag = 1
row = i
col = j
# Display position of the search Element
if flag==1:
print("Position of Search Element ",Search_ele," is (",row,",",col,")")
else:
print("Given Search Element is not found....")
Input/Output:
Enter the row Size Of the Matrix:3 Enter the columns Size Of the Matrix:3 Enter the Matrix Element: 4 5 6 7 8 9 2 3 4 Enter the search element:9 Position of Search Element 9 is ( 1 , 2 )
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