Question

c programming.

Given a sorted array of 20 integers and a target integer value, your program needs to print out all pairs of
integers which have sum equal to the target value. If there is no pair of integers to return, print out “No
pair of integers in the given array can be summed to the target value”. The array of integers and the target
value should be given from the keyboard (taken as user input).
Inputs and Outputs should be taken from main.c and passed to this function, the final output should be printed in main.c

ex) int[][]array(int nums[])

{

return {{}}

}

must return 2d array please help!

Answer 1

Answer: here is the answer for your question :

--------------------------------------------------------------------------------------------------------------------------------------------------------

CODE IN C++:

#include <stdio.h>

void array(int arr[],int n)
{   
printf("Printing the array:\n");
for(int i=0;i<20;i++)
{
printf("%d",arr[i]);
printf("\t");
}
int flag=0;
printf("Printing all pairs that sum to given value:\n");
for (int i=0;i<20;i++)
{
for(int j=i+1;j<20;j++)
{
if(arr[i]+arr[j]==n)
{ flag=1;
printf( "{ %d , %d }",arr[i],arr[j]);
printf("\n");
}
}
}
if(flag==0)
printf("No pair of integers in the given array can be summed to the target value\n");
}

int main()
{
int arr[20],n;
printf("Welcome to the program !!!!\n");
printf("Enter the value of item to be searched\n");
scanf("%d",&n);
printf("Enter the values in array:\n");
  
for(int i=0;i<20;i++)
{
printf("Enter value:\n");
scanf("%d",&arr[i]);
}
array(arr,n);
  
  
}
--------------------------------------------------------------------------------------------------------------------------------------------------------

CODE SNIPPET:

--------------------------------------------------------------------------------------------------------------------------------------------------------

CODE OUTPUT:

please note that here i am printing the numbers that sum to given value . i am not able to understand what you mean by return a 2-d matrix. what 2-d matrix would contain ??

so ,if you need any more help, please provide comments below the answer . i will help you out

thanks