Code RoomSensor calibration uninitialized
MediumPrep Room Coding #2009

Sensor calibration uninitialized

Code reviewCode quality & reviewMid–Senior~18 min

Review this C++ class. The default constructor leaves a field unset on one path.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 18 min
Mark a line and say what kind of problem it is.0 findings
1class Sensor {
2 int id_;
3 double calib_; // calibration factor
4public:
5 Sensor(int id) : id_(id) {
6 if (id < 0) calib_ = 0.0; // sentinel for invalid
7 // valid ids: calib_ left for loadCalibration()
8 }
9 double read(double raw) const { return raw * calib_; }
10};
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