SRM 300

Division 2

250 pts - Taxi 

Idea Flow
Input_Constraint ~ We cannot use more than one loop.
Question Hints ~ "Segments parallel to the axes".
Conclusion ~ We need to find the triangle sum of a+b is given. Need to find the whether an right triangle can be formed or not with the given constraint.
Learnt lesson ~ Fast and correct interpretation of question is needed. (drawing diagrams ll help out).

500 pts - Dating 

Idea Flow
Input_Constraint ~ Brute Force is possible.
Question Hints ~ "Given all letters are distinct".
Conclusion ~ Do imagine the question as a straight queue rather than circular queue. More easy to code and solution is small.
Learnt lesson ~ Spend some time to think for an alternative idea.

1000 pts - CircleOrder 

Idea Flow

Input_Constraint ~ Brute Force is possible. 

Question Hints ~ "Circular track so landing spot and initial car position must be in Circular order.

Conclusion ~ Above hint isn sufficient to come up with the solution and need to find whether all character is able to reach the destination.

Learnt lesson ~ Understanding the question and little tweek ll provide the solution. So trying for different cases ll be provide better understanding of the question and you ll come to an implementation.