This C Program checks two elements such that their sum is closest to zero.

Here is source code of the C Program to find the two elements such that their sum is closest to zero. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

`/*`

`* C Program to Find the two Elements such that their Sum is Closest to Zero`

`*/`

`# include <stdio.h>`

`# include <stdlib.h>`

`# include <math.h>`

void minabsvaluepair(int array[], int array_size)

`{`

int count = 0;

int l, r, min_sum, sum, min_l, min_r;

`/* Array should have at least two elements*/`

if (array_size < 2)

`{`

printf("Invalid Input");

return;

`}`

`/* Initialization of values */`

min_l = 0;

min_r = 1;

min_sum = array[0] + array[1];

for (l = 0; l < array_size - 1; l++)

`{`

for (r = l + 1; r < array_size; r++)

`{`

sum = array[l] + array[r];

if (abs(min_sum) > abs(sum))

`{`

min_sum = sum;

min_l = l;

min_r = r;

`}`

`}`

`}`

printf(" The two elements whose sum is minimum are %d and %d", array[min_l], array[min_r]);

`}`

int main()

`{`

int array[] = {42, 15, -25, 30, -10, 35};

minabsvaluepair(array, 6);

getchar();

return 0;

`}`

$ cc pgm93.c $ a.out The two elements whose sum is minimum are 15 and -10

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