**/***

**Write a function that finds the element closest in value from 2-d array to the number entered by user. The row and column indices of the element closest in value to the element should be the output.**

***/**

__Code:__**#include <iostream>**

**#include <iomanip>**

**#include <cmath>**

**using namespace std;**

**void closest_number_finder(int [][5], int);**

**int main()**

**{**

**cout << "Array:" << endl << endl;**

**int array[5][5];**

**for (int r = 0; r<5; r++)**

**{**

**for (int c = 0; c<5; c++)**

**{**

**array[r][c] = rand()%101 - 50; //Storing random numbers from -50 to 50.**

**cout << char(179) << setw(3) << array[r][c] << setw(3) << char(179);**

**}**

**cout << endl;**

**}**

**cout << "\nEnter a Number, I'll tell nearest of this number from my array: ";**

**int user;**

**cin >> user;**

**closest_number_finder(array, user);**

**return 0;**

**}**

**void closest_number_finder(int array[][5], int user)**

**{**

**int difference[5][5];**

**for (int r = 0; r<5; r++)**

**{**

**for (int c = 0; c<5; c++)**

**{**

**difference[r][c] = fabs(array[r][c] - user);**

**}**

**}**

**int R, C;**

**//Now we've to find the smallest difference.**

**int smallest = difference[0][0];**

**for (r = 0; r<5; r++)**

**{**

**for (int c = 0; c<5; c++)**

**{**

**if (smallest > difference[r][c])**

**{**

**smallest = difference[r][c];**

**R = r; C = c;**

**}**

**}**

**}**

**cout << "Closest to your entered number is " << array[R][C] << " at table[" << R << "][" << C << "]" << " with a difference of " << smallest << endl;**

**}**