This problem can be easily solved using a stack. My explanation of Tracing recursive methods explains the technique. Also see my complete 2004 AP CS AB Multiple Choice Solutions for A level questions. Stack based trace of 2004 AP CS AB Multiple Choice #31 2004 AP CS AB Multiple Choice #31 (as PDF)

This problem can be easily solved using a stack. My explanation of Tracing recursive methods explains the technique. Also see my complete 2004 AP CS AB Multiple Choice Solutions for A level questions. Stack based trace of 2004 AP CS AB Multiple Choice #3 2004 AP CS AB Multiple Choice #3 (as PDF)

The College Board released the complete 2004 AP Computer Science AB Exam, including the multiple choice section. While their released exam includes detailed explanations for each free response question, it does not offer detailed explanations for each multiple choice question. Question by question explanations for the A level questions from the 2004 AP Computer Science ...

The College Board released the complete 2004 AP Computer Science A Exam, including the multiple choice section. While their released exam includes detailed explanations for each free response question, it does not offer detailed explanations for each multiple choice question. Question by question explanations for the 2004 AP Computer Science A Multiple Choice Section are ...