miscallenous: 3

Author: Tamoziit

test/Exception1.cpp

@@ -0,0 +1,94 @@
+#include <iostream>
+#include <cmath>
+#include <limits>
+#include <vector>
+using namespace std;
+
+class Extension1
+{
+public:
+ int getSum(const vector<int> &arr, const vector<int> &choice)
+ {
+ int i, total = 0;
+ for (i = 0; i < choice.size(); i++)
+ {
+ total += arr[choice[i]];
+ }
+
+ return total;
+ }
+
+ double getSqrtSum(const vector<int> &arr, const vector<int> &choice)
+ {
+ int i;
+ double total = 0.0;
+ for (i = 0; i < choice.size(); i++)
+ {
+ total += sqrt(arr[choice[i]]);
+ }
+
+ return total;
+ }
+
+ void display(const vector<int> &arr)
+ {
+ int i;
+ for (i = 0; i < arr.size(); i++)
+ {
+ cout << arr[i] << " ";
+ }
+ cout << endl;
+ }
+};
+
+int main()
+{
+ Extension1 ob;
+ int n, ch, i;
+ cout << "Enter no. of inputs: ";
+ cin >> n;
+
+ vector<int> arr(n);
+ vector<int> choice(5);
+
+ cout << "Enter the elements:" << endl;
+ for (i = 0; i < n;)
+ {
+ if (!(cin >> ch))
+ {
+ cout << "Invalid input. Enter again" << endl;
+ cin.clear();
+ cin.ignore(numeric_limits<streamsize>::max(), '\n');
+ continue;
+ }
+ arr[i++] = ch;
+ }
+
+ cout << "Choose 5 indices:" << endl;
+ for (i = 0; i < 5;)
+ {
+ if (!(cin >> ch) || ch < 0 || ch >= n)
+ {
+ cout << "Invalid input. Enter again" << endl;
+ cin.clear();
+ cin.ignore(numeric_limits<streamsize>::max(), '\n');
+ continue;
+ }
+ choice[i++] = ch;
+ }
+
+ cout << "Inputs: ";
+ ob.display(arr);
+ cout << "Choices: ";
+ ob.display(choice);
+
+ int sum;
+ double res;
+ sum = ob.getSum(arr, choice);
+ res = ob.getSqrtSum(arr, choice);
+
+ cout << "Sum = " << sum << endl;
+ cout << "Sqrt Sum = " << res << endl;
+
+ return 0;
+}

test/Exception1.java

@@ -0,0 +1,88 @@
+import java.util.*;
+
+public class Exception1 {
+ int getSum(int arr[], int choice[]) {
+ int i, total = 0;
+ for (i = 0; i < choice.length; i++) {
+ total += arr[choice[i]];
+ }
+
+ return total;
+ }
+
+ double getSqrtSum(int arr[], int choice[]) {
+ int i;
+ double total = 0.0;
+ for (i = 0; i < choice.length; i++) {
+ total += Math.sqrt(arr[choice[i]]);
+ }
+
+ return total;
+ }
+
+ void display(int arr[]) {
+ int i;
+ for (i = 0; i < arr.length; i++) {
+ System.out.print(arr[i] + " ");
+ }
+ System.out.println();
+ }
+
+ public static void main(String[] args) {
+ Scanner sc = new Scanner(System.in);
+ Exception1 ob = new Exception1();
+ int i, n, ch;
+
+ System.out.println("Enter size");
+ n = sc.nextInt();
+ int arr[] = new int[n];
+ int choice[] = new int[5];
+
+ System.out.println("Enter elements:");
+ for (i = 0; i < n;) {
+ try {
+ ch = sc.nextInt();
+ } catch (InputMismatchException e) {
+ System.out.println("Invalid Input. Enter again");
+ sc.next();
+ continue;
+ }
+ arr[i++] = ch;
+ }
+
+ System.out.println("Enter 5 indices:");
+ for (i = 0; i < 5;) {
+ try {
+ ch = sc.nextInt();
+ if (ch < 0 || ch >= n) {
+ throw new Exception("Invalid Index");
+ }
+ } catch (InputMismatchException e) {
+ System.out.println("Invalid Input. Enter again");
+ sc.next();
+ continue;
+ } catch (Exception e) {
+ System.out.println(e.getMessage());
+ // sc.next();
+ continue;
+ }
+
+ choice[i++] = ch;
+ }
+
+ System.out.print("Arr = ");
+ ob.display(arr);
+ System.out.print("Choice = ");
+ ob.display(choice);
+
+ int res1;
+ double res2;
+ res1 = ob.getSum(arr, choice);
+ res2 = ob.getSqrtSum(arr, choice);
+
+ System.out.println("Sum = " + res1);
+ System.out.println("Sqrt Sum = " + res2);
+
+ sc.close();
+ }
+}