Inversions in an array

CodeChefOpen on judge ↗

Given an array,sort the array and find the numberof inversions in it. ###Input: - First line will contain $T$, number of testcases. Then the testcases follow. - Each testcase contains of size $N$ and array elements $a[i]$. ###Output: For each testcase, output the sorted array and number of inversions in that array. ###Constraints - $1 \leq T \leq 500$ - $1 \leq N \leq 1000$ - $1 \leq a[i] \l

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI