Error in sizeof() function

#1

I’m declaring and assigning an integer variable to get the array size but its showing error

My statement-:
int n=sizeof(arr[]);

Error-:
source.cpp: In function ‘int Solve(int*)’:
source.cpp:7:23: error: expected primary-expression before ‘]’ token
7 | int n=sizeof(arr[]);int c=0;int max=0;int j;
|

#2

@aazz share your code using cb ide so that i can look

#3

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