Check these codes plzz

Question

#include <iostream>
using namespace std;
int main(){

int arr[7] = {43,13,4,57,98,156};
int sum=0,indexPos=1;
for(int x=0;x<6;x++){
sum += arr[x];
}
cout <<"Sum of all elements : "<<sum<<endl;
for(int x=5;x>=1;x--){
arr[x+1] = arr[x];
}
cout<<"\nAfter insertion\n";
arr[1] = 73;
for(int x=0;x<7;x++){
cout<<arr[x]<<" ";
}
sum = 0;
for(int x=0;x<7;x++){
sum += arr[x];
}
cout <<"\n\nSum of all elements After insertion : "<<sum<<endl;
cout<<"\nDelete 13 from list:\n";
for(int x=2;x<6;x++){
arr[x] = arr[x+1];
}
arr[6]=0;
cout<<"After Deletion\n";
arr[1] = 73;
for(int x=0;x<6;x++){
cout<<arr[x]<<" ";
}
sum = 0;
for(int x=0;x<6;x++){
sum += arr[x];
}
cout <<"\n\nSum of all elements After insertion : "<<sum<<endl;

cout<<"\nAfter Update\n";
arr[3] = 84;
for(int x=0;x<6;x++){
cout<<arr[x]<<" ";
}
}

Answer 1

Its working fine

Answer 2

What you want the code to do?
What is the problem?
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