Description
Given 2 matrices of same dimension. Subtract matrix2 from matrix1 and print the resultant matrix.
Sample input :
3 3
1 2 3
4 5 6
7 8 9
1 0 0
0 1 0
0 0 1
Sample output :
2 3 4
4 6 6
7 8 10
C Program
#include <stdio.h>
int main()
{
int r1,c1,r2,c2;
scanf("%d%d",&r1,&c1);
int arr1[r1][c1];
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
scanf("%d",&arr1[i][j]) ;
}
}
scanf("%d%d",&r2,&c2);
int arr2[r2][c2];
for(int i = 0 ; i<r2 ; i++)
{
for(int j = 0 ; j<c2 ; j++)
{
scanf("%d",&arr2[i][j]) ;
}
}
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
arr1[i][j] = arr1[i][j] - arr2[i][j];
}
}
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
printf("%d ",arr1[i][j]);
}
printf("\n");
}
return 0;
}
C++ Program
#include <bits/stdc++.h>
using namespace std;
int main()
{
int r1,c1,r2,c2;
cin>>r1>>c1;
int arr1[r1][c1];
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
cin>>arr1[i][j];
}
}
cin>>r2>>c2;
int arr2[r2][c2];
for(int i = 0 ; i<r2 ; i++)
{
for(int j = 0 ; j<c2 ; j++)
{
cin>>arr2[i][j];
}
}
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
arr1[i][j] = arr1[i][j] - arr2[i][j];
}
}
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
cout<<arr1[i][j]<<" ";
}
cout<<"\n";
}
return 0;
}
JAVA Program
import java.util.*;
import java.lang.*;
import java.io.*;
class Main
{
public static void Subtraction(int arr1[][],int arr2[][],int r1,int c1)
{
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
arr1[i][j] = arr1[i][j] - arr2[i][j];
}
}
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
System.out.print(arr1[i][j] + " ");
}
System.out.println();
}
}
public static void main (String[] args) throws java.lang.Exception
{
Scanner sc=new Scanner(System.in);
int r1,r2,c1,c2;
r1 = sc.nextInt();
c1 = sc.nextInt();
int arr1[][] = new int[r1][c1];
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
arr1[i][j] = sc.nextInt();
}
}
r2 = sc.nextInt();
c2 = sc.nextInt();
int arr2[][] = new int[r2][c2];
for(int i = 0 ; i<r1 ; i++)
{
for(int j = 0 ; j<c1 ; j++)
{
arr2[i][j] = sc.nextInt();
}
}
Subtraction(arr1,arr2,r1,c1);
}
}
PYTHON Program
a1=[[1, 2, 3],
[4, 5, 6],
[7, 8, 9]]
a2=[[1, 1, 1],
[2, 2, 2],
[3, 3, 3]]
for i in range(len(a1)):
for j in range(len(a1[0])):
a1[i][j] = a1[i][j] - a2[i][j]
print(a1)
