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InterviewBit ARRAY_BUG
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The following code is supposed to rotate the array A by B positions. | |
Explanation | |
Input:-1 | |
A : [1 2 3 4 5 6] | |
B : 1 | |
Input:-2 | |
A:[ 14, 5, 14, 34, 42, 63, 17, 25, 39, 61, 97, 55, 33, 96, 62, 32, 98, 77, 35 ] | |
B:56 | |
Output:-1 | |
[2 3 4 5 6 1] | |
Output:-2 | |
[35 14 5 14 34 42 63 17 25 39 61 97 55 33 96 62 32 98 77] | |
#######################JAVA CODE########################## | |
public class Solution { | |
public ArrayList<Integer> rotateArray(ArrayList<Integer> A, int B) { | |
ArrayList<Integer> ret = new ArrayList<Integer>(); | |
int l=(int)A.size(); | |
if(B<=l){ | |
for (int i = 0; i < A.size(); i++) { | |
ret.add(A.get((i + B)%l)); | |
} | |
} | |
else{ | |
B=(int)B%l; | |
for (int i = 0; i < A.size(); i++) { | |
ret.add(i,A.get((i + B)%l)); | |
} | |
} | |
return ret; | |
} | |
} | |
///////////////////slite change code////////////////////////// | |
############################################################# | |
public class Solution { | |
public ArrayList<Integer> rotateArray(ArrayList<Integer> A, int B) { | |
ArrayList<Integer> ret = new ArrayList<Integer>(); | |
for (int i = 0; i < A.size(); i++) { | |
ret.add(A.get((i + B%A.size())%A.size())); | |
} | |
return ret; | |
} | |
} | |
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