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C programs QnA

Q. If sum of two integer is 14 and if one of them is 8 then find other integer. Ans: Well, this is very simple. Simply, one integer is 8 and sum of two integers is 14. So, we need to subtract the number 8 from their sum of 14 to get the second number. So, the second number is: 14 - 8 = 6 C-Program of this task Code---> #include<stdio.h> int main () { int num1 = 8 , num2 , sum = 14 ; num2 = sum - num1 ; printf ( "The second number is: %d" , num2 ); return 0 ; }
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Matrix(3*3) Addition in C-Language



In this C program we will add two matrices(3*3) and print the result on the screen.The elements of the matrices will be taken from the user.

input:

The elements of matrices(3*3).

output:

The Sum of the two matrices.

CODE---->


#include<stdio.h>
int main()
{
 int mat1[10][10],mat2[10][10],mat3[20][20],i,j;
 printf("Please,Enter the first matrix--->> ");
 for(i=1;i<=3;i++)
 {
  for(j=1;j<=3;j++)
  {
   printf("\nPlease,Enter data: ");
   scanf("%d",&mat1[i][j]);
  }
 }
 printf("\n\nPlease,Enter the second matrix--->> ");
 for(i=1;i<=3;i++)
 {
  for(j=1;j<=3;j++)
  {
   printf("\nPlease,Enter data: ");
   scanf("%d",&mat2[i][j]);
  }
 }
 printf("\n\nThe sum of the matrices --->> \n");
 for(i=1;i<=3;i++)
 {
  for(j=1;j<=3;j++)
  {
   mat3[i][j]=mat1[i][j]+mat2[i][j];
  }
 }
 for(i=1;i<=3;i++)
 {
  for(j=1;j<=3;j++)
  {
   printf(" %d ",mat1[i][j]);
  }
  printf("\n");
 }
 printf("    +\n");
 for(i=1;i<=3;i++)
 {
  for(j=1;j<=3;j++)
  {
   printf(" %d ",mat2[i][j]);
  }
  printf("\n");
 }
 printf("    ||\n");
 for(i=1;i<=3;i++)
 {
  for(j=1;j<=3;j++)
  {
   printf(" %d ",mat3[i][j]);
  }
  printf("\n");
 }
 return 0;
}

Download the C-Program file of this Program.

Don't just read, run on your pc !!!


RESULT :


Please,Enter the first matrix--->>
Please,Enter data: 11

Please,Enter data: 22

Please,Enter data: 33

Please,Enter data: 44

Please,Enter data: 55

Please,Enter data: 66

Please,Enter data: 77

Please,Enter data: 88

Please,Enter data: 99


Please,Enter the second matrix--->>
Please,Enter data: 9

Please,Enter data: 8

Please,Enter data: 7

Please,Enter data: 6

Please,Enter data: 5

Please,Enter data: 4

Please,Enter data: 3

Please,Enter data: 2

Please,Enter data: 1


The sum of the matrices --->>
 11  22  33
 44  55  66
 77  88  99
    +
 9  8  7
 6  5  4
 3  2  1
    ||
 20  30  40
 50  60  70
 80  90  100

--------------------------------
Process exited after 24.41 seconds with return value 0
Press any key to continue . . .


Images for better understanding :


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