Test case 0 is wrong

#1

where is problem in my code please expalin test case 0 is fail, why?

#2

hi @mahroosanwar0901_2642b14836027bbf
refer this code -->

#3

Hello sir ,I did not understand your code we have not covered vector in any of above videos. can you refer any method simply which we have covered ; And please tell me where I am lacking in my code (not work for 0 testcase ) .

#4

@mahroosanwar0901_2642b14836027bbf
ur code fails on this test case -->

5
1 2 3 4 5
0


I have changed the vector to array…

#5

Ohh Thanks :slightly_smiling_face:
I understand your code , can you tell me what should i do for Q = 0(no value of X) in my code
for the testcase it fail

#6

And one more thing i want to ask , What is the syntex of return an array in function and how to call that function (that have array in return) to other and main function ; I search on google but didn’t find much helpful…

#7

For that u will have to first make a temporary array, perform action on it, and then copy into original array, as u can see from my code…

#8

https://www.google.com/amp/s/www.geeksforgeeks.org/return-local-array-c-function/amp/
Refer this

#9

it’s not open properly…

i want to know ;return local array as variable c++

#10

Ya I did this(row 47 -49) it’s working fine :ok_hand:. Can You make please tell me how to call that perticular from function I above use ( please better to make changes in my code)

#11

What changes are u asking me to do in ur code?? I am not exactly getting what u are saying…

#12

for this
5
1 2 3 4 5
0

i make changes in
int main(){

}

(row 47-49); it passes all the testcase

I need make changes for this
5
1 2 3 4 5
0

in function(CyclicArraySum) not in the main function/

is it possible please do

#13

@mahroosanwar0901_2642b14836027bbf
what u did currently is correct only,
else u can do like i did

while(t--){
        int x;
        cin>>x;

        int temp[n];
        for(int i=0;i<n;i++){
            temp[i] = v[i];
        }

        for(int i=0;i<n;i++){
            temp[i] = v[i] + v[(i-x+n)%n];
        }
        
        for(int i=0;i<n;i++){
            v[i] = temp[i];
        }
    }

maybe u can do the same thing by calling a function, but it’s not necessary…

1 Like
#14

And one more thing i want to ask , What is the syntex of return an array in function and how to call that function (that have array in return) to other and main function; I saw on GFG already they take constant value of Array I wamt to know about variable array like a[i].

#15

u can do it like this -->

#include <iostream>
using namespace std;

int* func1(int n){
    int * arr = new int[n];
    for(int i=0;i<n;i++){
        arr[i] = i;
    }
    return arr;
}

int main() {
    int n;
    cin>>n;
    int *arr = func1(n);
    for(int i=0;i<n;i++){
        cout<<arr[i]<<" ";
    }
}
#16

@mahroosanwar0901_2642b14836027bbf
I hope it’s clear now… shall i mark the doubt as resolved??

#17

yes it’s clear you can mark as doubt as resolved

1 Like
#18

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