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Consider the following code and answer the questions (below) on a separate piece of paper.
INSTRUCTIONS TO CANDIDATESANSWER ALL QUESTIONS
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public static boolean bar(int [] numList) { for(int i = 0; i < numList.length - 1; i++) {
for(int j = i + 1; j < numList.length; j++){ if (numList[i] == numList[j]){
return false;
}
}
}
return true;
}
1. If the input numList = {4, 5, 4} give the step-by-step execution of this code.
2. Label each line of code with the time complexity cost of that line.
3. Give a final complexity analysis of this code.
4. Give the Big-O notation time complexity of this code.
public static int mystery(HashMap<String, Integer> map){ int m = 0;
for(String str : map.keySet()){ if (map.get(str) > m){
m = map.get(str);
}
}
return m;
}
1. If the input map = {“hello”: 4, “goodbye”: 3, “ship”, 21} give the step-by- step execution of this code.
2. Label each line of code with the time complexity cost of that line.
3. Give a final complexity analysis of this code.
4. Give the Big-O notation time complexity of this code.
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