Calculate the sum((((()))))))

#1

I just can’t understand how to deal with it…please help

#2

Hi @abhinavssr2003_eab0717682969e5c,
LOGIC :
u dont need to calculate the sum by shifting again and again, anyway u will be adding the array sum of that array only even if u shift and add as u r adding all the elements so dont shift just keep updating the sum of array

see here for implementation here’s the commented code https://ide.codingblocks.com/s/657171

#3

sir but i want to do with the help of arrays

#4

@abhinavssr2003_eab0717682969e5c,
That’s with array only right? Check once

#5

it is working like array only…but not with a[]…like i want to use proper array function so how should i implement it

#6

@abhinavssr2003_eab0717682969e5c, what array functions you wanna use can you elaborate a little bit…

#7

will you just modify my code

#8

include

using namespace std;

int main(){

int n;

cin>>n;

int a[n];

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

{

    cin>>a[i];

}

int t;

cin>>t;

while(t>0){

    int no;

    cin>>no;

    no /= no%n;

    int temp[n];

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

    {

        a[i] = temp[i];

    }

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

    {

        temp[i] += temp[no];

       

    }

                   

}



return 0;

}

#9

like i am not getting how to add the values…just help me in my code so that i can be clear…your earlier solution was cleared to me

#10

i tried myself …plzz check

include

using namespace std;

int main(){

int n;

cin>>n;

int a[n];

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

{

    cin>>a[i];

}

int t;

cin>>t;

while(t>0){

    int no;

    cin>>no;

    no /= no%n;

    int temp[n];

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

    {

        a[i] = temp[i]; 

    }

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

    {

        temp[i] = a [i] + a[(i-no+n)%n];

        

    }

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

    {

        temp[i] = a[i];

    }

    

  t--;  

}

int sum = 0;

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

        sum+=a[i];

    }

    cout<<sum<<endl;



return 0;

}

#11

anyone there?? please check…i m getting wrong result

#12

hi @abhinavssr2003_eab0717682969e5c, check the updated code https://ide.codingblocks.com/s/659598, ive commented the mistakes

#13

i just got my all test cases passed…but i have one more doubt…why line 24 is inc and 25 is corr…also why 35 is inc and 36 is corr??

#14

@abhinavssr2003_eab0717682969e5c, the order is first you are storing in temp array doing the calculation in line 30 then again you r updating the original array, the mistake was due to those 2 statements the order was reversed

#15

ohh got it…so can we do this problem without temp array??

#16

@abhinavssr2003_eab0717682969e5c yes the solution I gave…

#17

okay thank you so much

#18

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