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Given the unsorted list, sort the list using Range Sort. [151, 110, 171, 119, 181, 131, 111, 141, 201, 121, ]

Computer Science

ScanSolve AI Answer

Answer

[110, 111, 119, 121, 131, 141, 151, 171, 181, 201]

Step-by-step solution

4 steps

To sort the given list using Range Sort, we will interpret "Range Sort" as Counting Sort, which is an efficient algorithm for sorting integers within a specific range.

The given unsorted list is:

[151,110,171,119,181,131,111,141,201,121][151, 110, 171, 119, 181, 131, 111, 141, 201, 121]
  1. Find the minimum and maximum values in the list.

    The minimum value in the list is 110.
    The maximum value in the list is 201.

  2. Determine the range and initialize the counting array.

    The range of values is max_value−min_value+1max\_value - min\_value + 1.

    Range=201−110+1=92Range = 201 - 110 + 1 = 92

    Create a counting array (or frequency array) of size 92, initialized with zeros. Each index ii in this array will correspond to the value i+min_valuei + min\_value.
    For example, index 0 corresponds to 110, index 1 to 111, and so on, up to index 91 corresponding to 201.

  3. Populate the counting array.

    Iterate through the original list. For each element xx, increment the count at index x−min_valuex - min\_value in the counting array.

    • For 151: increment count at index 151−110=41151 - 110 = 41.
    • For 110: increment count at index 110−110=0110 - 110 = 0.
    • For 171: increment count at index 171−110=61171 - 110 = 61.
    • For 119: increment count at index 119−110=9119 - 110 = 9.
    • For 181: increment count at index 181−110=71181 - 110 = 71.
    • For 131: increment count at index 131−110=21131 - 110 = 21.
    • For 111: increment count at index 111−110=1111 - 110 = 1.
    • For 141: increment count at index 141−110=31141 - 110 = 31.
    • For 201: increment count at index 201−110=91201 - 110 = 91.
    • For 121: increment count at index 121−110=11121 - 110 = 11.

    After this step, the counting array will have a 1 at indices 0,1,9,11,21,31,41,61,71,910, 1, 9, 11, 21, 31, 41, 61, 71, 91, and 0 at all other indices.

  4. Construct the sorted list.

    Iterate through the counting array from index 0 to 91. For each index ii where the count is 1, add the value i+min_valuei + min\_value to the sorted list.

    • Index 0 has count 1  ⟹  0+110=1101 \implies 0 + 110 = 110
    • Index 1 has count 1  ⟹  1+110=1111 \implies 1 + 110 = 111
    • Index 9 has count 1  ⟹  9+110=1191 \implies 9 + 110 = 119
    • Index 11 has count 1  ⟹  11+110=1211 \implies 11 + 110 = 121
    • Index 21 has count 1  ⟹  21+110=1311 \implies 21 + 110 = 131
    • Index 31 has count 1  ⟹  31+110=1411 \implies 31 + 110 = 141
    • Index 41 has count 1  ⟹  41+110=1511 \implies 41 + 110 = 151
    • Index 61 has count 1  ⟹  61+110=1711 \implies 61 + 110 = 171
    • Index 71 has count 1  ⟹  71+110=1811 \implies 71 + 110 = 181
    • Index 91 has count 1  ⟹  91+110=2011 \implies 91 + 110 = 201

    The sorted list is:

    [110,111,119,121,131,141,151,171,181,201][110, 111, 119, 121, 131, 141, 151, 171, 181, 201]
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