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vector = c(5, 34, 65, 36, 67, 3, 6, 43, 69, 59, 25, 785, 10, 11, 14)
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[1] 3 5 6 10 11 14 25 34 36 43 59 65 67 69 785
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sort(): ???????????????????rank(): ????????order(): ?????????????
sort(vector)[1] 3 5 6 10 11 14 25 34 36 43 59 65 67 69 785order(vector)[1] 6 1 7 13 14 15 11 2 4 8 10 3 5 9 12rank(vector)[1] 2 8 12 9 13 1 3 10 14 11 7 15 4 5 6
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bubbleSort = function(vector) { n = length(vector) for (i in 1:(n-1)) { for (j in (i+1):n) { if (vector[i] >= vector[j]) { temp = vector[i] vector[i] = vector[j] vector[j] = temp } } } return(vector)} ??????
[1] 3 5 6 10 11 14 25 34 36 43 59 65 67 69 785
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quickSort = function(vector, small, big) { left = small right = big if (left >= right) { return(vector) } else { markValue = vector[left] while (left < right) { while (left < right && vector[right] >= markValue) { right = right - 1 } vector[left] = vector[right] while (left < right && vector[left] <= markValue) { left = left + 1 } vector[right] = markValue } vector[left] = markValue vector = quickSort(vector, small, left - 1) vector = quickSort(vector, right + 1, big) return(vector) }} ??????
[1] 3 5 6 10 11 14 25 34 36 43 59 65 67 69 785
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insertSort = function(vector) { n = length(vector) for (i in 2:n) { markValue = vector[i] j = i-1 while (j > 0) { if (vector[j] > markValue) { vector[j+1] = vector[j] vector[j] = markValue } j = j - 1 } } return(vector)} ??????
[1] 3 5 6 10 11 14 25 34 36 43 59 65 67 69 785
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shellSort = function(vector) { n = length(vector) separate = floor(n/2) while (separate > 0) { for (i in 1:separate) { j = i + separate while (j <= n) { m = j - separate markValue = vector[j] while (m > 0) { if (vector[m] > markValue) { vector[m+separate] = vector[m] vector[m] = markValue } m = m - separate } j = j + separate } } separate = floor(separate/2) } return(vector)} ??????
[1] 3 5 6 10 11 14 25 34 36 43 59 65 67 69 785
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selectSort = function(vector) { n = length(vector) for (i in 1:(n-1)) { minIndex = i for (j in (i+1):n) { if (vector[minIndex] > vector[j]) { minIndex = j } } temp = vector[i] vector[i] = vector[minIndex] vector[minIndex] = temp } return(vector)} ??????
[1] 3 5 6 10 11 14 25 34 36 43 59 65 67 69 785
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adjustHeap = function(vector, k, n) { left = 2*k right = 2*k+1 max = k if (k <= n/2) { if (left <= n && vector[left] >= vector[max]) { max = left } if (right <= n && vector[right] >= vector[max]) { max = right } if (max != k) { temp = vector[k] vector[k] = vector[max] vector[max] = temp vector = adjustHeap(vector, max, n) } } return(vector)}createHeap = function(vector, n) { for (i in (n/2):1) { vector = adjustHeap(vector, i, n) } return(vector)}heapSort = function(vector) { n = length(vector) vector = createHeap(vector, n) for (i in 1:n) { temp = vector[n-i+1] vector[n-i+1] = vector[1] vector[1] = temp vector = adjustHeap(vector, 1, n-i) } return(vector)} ??????
[1] 3 5 6 10 11 14 25 34 36 43 59 65 67 69 785
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combine = function(leftSet, rightSet) { m = 1 n = 1 vectorTemp = c() while (m <= length(leftSet) && n <= length(rightSet)) { if (leftSet[m] <= rightSet[n]) { vectorTemp = append(vectorTemp, leftSet[m]) m = m + 1 } else { vectorTemp = append(vectorTemp, rightSet[n]) n = n + 1 } } if (m > length(leftSet) && n == length(rightSet)) { vectorTemp = append(vectorTemp, rightSet[n:length(rightSet)]) } else if (m == length(leftSet) && n > length(rightSet)) { vectorTemp = append(vectorTemp, leftSet[m:length(leftSet)]) } return(vectorTemp)}mergeSort = function(vector) { size = length(vector) if (size == 1) { return(vector) } cut = ceiling(size/2) leftSet = mergeSort(vector[1:cut]) rightSet = mergeSort(vector[(cut+1):size]) vector = combine(leftSet, rightSet) return(vector)} ??????
[1] 3 5 6 10 11 14 25 34 36 43 59 65 67 69 785
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