/***************************************** Challange: Find largest and smallest palindrome Number 1: Take two inputs from user: (i) Minimum Range (0 to 100000) (ii) Maximum Range (0 to 100000) 2: Find the smallest and largest palindrome between minimum and maximum range. Submit you code in any programming language. *****************************************/ #include using namespace std; /****************************************** * isPalindrom() is used to check if a * * given number is Paoindrom or not. * * @ nb: number to check if it's palindrom * * @ temp : temporary variable take the * * the value of nb * * @ r : to get remainder of division * * @ d : to get the reverse of nb * ******************************************/ int isPalindrom(int nb){ int r; int temp = nb; int d = 0; while(temp) { r = temp % 10; d = r + d * 10; temp = temp / 10; } if(nb == d){ return 1; } return 0; } /****************************************** * MinMaxPalindrom() is used to get the * * maximum and minimum Palindrom number * * between n1 and n2 * * @ n1 : min range * * @ n2 : max range * * @ t[]: to get min and max Palindrom * * t[0] : min palindrom * * t[1] : max palindrom * * use: isPalindrom() function * ******************************************/ void MinMaxPalindrom(int n1,int n2,int t[]){ int i, j; //find the first palindrom nb > min rang int i_flag = 0; //find the first palindrom nb < max rang int j_flag = 0; for(i = n1, j = n2; i <= n2; i++,j--){ /*check for the min palindrom from minimum range n1 to the maximum n2 using the index i; so that first palindrom found will be the min palindrom. */ if(isPalindrom(i)){ //put min palindrom in t[0] if(i < t[0]){ t[0] = i; i_flag = 1; } } /*check for the max palindrom from maximum range n2 to the minimum n1 using the index j; so that first palindrom found will be the max palindrom. */ if(isPalindrom(j)){ // put max palindrom in t[1] if(j > t[1]){ t[1] = j; j_flag = 1; } } /* check if we find the max and min palindrom between n1 & n2 then break the loop and exit; */ if( i_flag == 1 & j_flag == 1){ break; } } // exit funtion return; } int main() { int minR, maxR; int min_max[] ={100000,0}; // read the min andmax range cin >> minR; cin >> maxR; // print the values user had entered cout << "The minimum and maximum "; cout << "value you entered is:"; cout << "\n >> "; cout << "Minimum range = " << minR; cout << "\n >> Maximum range = "; cout << maxR; cout << "\n\n"; //check if input is correct if(minR<0 || maxR>100000 || minR>maxR){ cout << "Please insert correct "; cout << "values between:\n"; cout << " 0 and 100000\n"; cout << "each value on a separate"; cout << " line\n"; cout << "minimum range first\n"; cout << "maximum range second\n\n"; }else{ //call function MinMaxPalindrom MinMaxPalindrom(minR,maxR,min_max); //print the final result cout << "The final result is:"; cout << "\n >>"; cout <<"Minimum palindrom = "; cout << min_max[0]; cout << "\n >>"; cout << "Maximum palindrom = "; cout << min_max[1]; } cout << "\n\n"; cout << "Thanks for your "; cout << "caring...\n\n "; cout << "======================"; cout << "\n\nRegards,\nMohammad"; return 0; }

max_min_palindrom