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Write a function named firstLast2 that takes as input an array of integers and an integer that specifies how many entries are in the array. The function should return true if the array starts or ends with the digit 2. Otherwise it should return false. Test your function with arrays of different length and with the digit 2 at the beginning of the array, end of the array, middle of the array, and missing from the array.

Respuesta :

MrRoyal

Answer:

Written in C++

#include<iostream>

using namespace std;

int firstLast2(int arr[], int n);

int main()

{

int n;

cout<<"Number of Elements: ";

cin>>n;  

int myarray[n];

for(int i = 0; i<n;i++) {

cin>>myarray[i];

}

firstLast2(myarray, n);

return 0;

}

int firstLast2(int arr[], int n){

if(arr[0] == 2 || arr[n - 1] == 2) {

 cout<<"True";

}

else {

cout<<"False";

}

}

Explanation:

I've added the full source code as an attachment where I used comments to explain difficult lines

Ver imagen MrRoyal

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