SourCaPlacement OS
Targeted Campus Assessment Prep
Loading SourCa...
Synchronizing placement benchmarks & campus recruitment roadmaps
Targeted Campus Assessment Prep
Loading SourCa...
Synchronizing placement benchmarks & campus recruitment roadmaps
Targeted Campus Assessment Prep
Setting up coding workspace...
Loading problem statement, test cases, and compiler sandbox
Input: 3 9 20 -1 -1 15 7
Output: true
Input: 1 2 2 3 3 -1 -1 4 4
Output: false
Input: -1 -1 3 7 9 15 20
Output: true
Input: -1 -1 1 2 2 3 3 4 4
Output: true