Question

I need a program written in C, not C+ or C++. I have no idea how to go about doing it. Basically, I need it to take in the following information and spit out the following for a number table. The operation should be able to take plus, minus, division or multiplication and the low/high row/column numbers should be able to go up to where ever. But I'm sure the following example is fine.

Enter low row number: 1

Enter high row number: 3

Enter low column number: 1

Enter high column number: 4

Enter operation: +

+ 1 2 3 4

1 2 3 4 5

2 3 4 5 6

3 4 5 6 7

** Table Complete **

Answer #1

I have uploaded the Images of the code, Typed code and Output of the Code. I have provided explanation using comments(read them for better understanding).

**Images of the Code:**

**Note:** If the below code is missing indentation
please refer code Images

**Typed Code:**

/*Libraries*/

#include <stdio.h>

#include <stdlib.h>

void main()

{

/*declaring integers and character*/

int lr,hr,lc,hc;

char op;

/*taking inputs from the user*/

printf("Enter low row number: ");

scanf("%d",&lr);

printf("Enter high row number: ");

scanf("%d",&hr);

printf("Enter low column number: ");

scanf("%d",&lc);

printf("Enter high coloumn number: ");

scanf("%d",&hc);

/*if low values greater than high values */

if(lr>hr || lc>hc)

{

/*it is invalid and program will exit*/

printf("You have entered invalid input");

exit(0);

}

/*taking operator as input from user*/

printf("Enter operation: ");

scanf(" %c",&op);

/*if operator is not (+,-,*,/) */

if(op != '+' && op != '-' && op != '*' &&
op != '/')

{

/*operators are invalid and program exits*/

printf("You have entered wrong operation");

exit(0);

}

/*printing operator*/

printf(" %c\t",op);

/*for loop will iterate from lc(low column) to hc(high
column)*/

for(int i = lc; i <= hc; i++)

{

/*printing values from lc to hc, one after one in every
iteration*/

printf("%d\t",i);

}

/*for loop will iterate from lr(low row) to hr(high row)*/

for(int j = lr; j <= hr; j++)

{

/*\n is escape character to jump to next line*/

printf("\n");

/*printing values from lr to hr, one after one in every
iteration*/

printf("%d\t",j);

/*this for loop is used for operation purpose

it will iterate from lc to hc*/

for(int k = lc; k <= hc; k++)

{

/* if op is + */

if(op == '+')

{

/*adding row element with column element*/

printf("%d\t",j+k);

}

/* if op is - */

else if(op == '-')

{

/*subtracting row element with column element*/

printf("%d\t",j-k);

}

/* if op is * */

else if(op == '*')

{

/*multiplying row element with column element*/

printf("%d\t",j*k);

}

/* if op is / */

else if(op == '/')

{

/*dividing row element with column element*/

printf("%d\t",j/k);

}

}

}

}

**/*code ended here*/**

**Output:**

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