Learn/C++/C++ Advanced/Performance Engineering/Checkpoint: Performance/Evidence GauntletEvidence GauntletChallenge on lesson: Checkpoint: PerformanceInstructionsCodeOutputTwo graded properties: (1) buildRange produces n values with at most one allocation, (2) countDistinct uses hashing so tracked element comparisons stay at zero.Difficulty: advancedSubmitPress Submit to check your solution.Back to lesson: Checkpoint: Performance