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jade/jsort.cpp

60 lines
1.3 KiB

#include "jade.h"
FUNCTION STRARRAY merge (STRARRAY str1, STRARRAY str2) BEGIN
DIM STRARRAY result;
DIM AS INTEGER leftIndex=0, rightIndex=0;
WHILE ( (leftIndex < LEN(str1)) AND (rightIndex < LEN(str2)) ) DO
IF (str1[leftIndex] <= str2[rightIndex]) THEN
result.push_back(str1[leftIndex]);
++leftIndex;
ELSE
result.push_back(str2[rightIndex]);
++rightIndex;
ENDIF
WEND
IF (leftIndex < LEN(str1)) THEN
result.push_back(str1[leftIndex]);
ENDIF
IF (rightIndex < LEN(str2)) THEN
result.push_back(str2[rightIndex]);
ENDIF
RETURN result;
ENDFUNCTION
FUNCTION STRARRAY merge_sort(STRARRAY m) DO
DIM INTEGER middle;
IF (LEN(m) <= 1) RETURN m;
middle = LEN(m) / 2;
DIM STRARRAY left(m.begin(), m.begin() + middle);
DIM STRARRAY right(m.begin() + middle, m.end());
left = merge_sort(left);
right = merge_sort(right);
RETURN merge(left, right);
ENDFUNCTION
MAIN
DIM AS CSTRING Bible;
DIM AS STRARRAY Array, Result;
DIM AS INTEGER CNT;
// Bible = LOADFILE$("bible.txt");
// Array = SPLIT(Bible,"\n");
Array = SPLIT("pear,cranberry,orange,apple,carrot,banana,grape,peaches,tangerines",",");
Result = merge_sort(Array);
FOR (CNT = 0 TO CNT < LEN(Result) STEP ++CNT) DO
PRINT (Result[CNT]);
NEXT
std::cout << Result.size() << std::endl;
ENDMAIN