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6 years ago+ 0 comments

Constraints are given as 3<=N<=10^3, so why the need of the test case as 1. Nowhere in the question it is given what shall be the output for values less than 3. Please mention it in the question and be clearer.

8 years ago+ 0 comments

int n = in.nextInt();
int k = n/3;

if(n == 1){
    System.out.println(1);
}
else if(n%3 == 0){
    System.out.println(k*k*k);
}
else if(n%3 == 1){
    System.out.println((k+1)*k*k);
}
else if(n%3 == 2){
    System.out.println((k+1)*(k+1)*k);
}