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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
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Task/Sorting-algorithms-Insertion-sort/ALGOL-68/sorting-algorithms-insertion-sort.alg Normal file
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MODE DATA = REF CHAR;
PROC in place insertion sort = (REF[]DATA item)VOID:
BEGIN
INT first := LWB item;
INT last := UPB item;
INT j;
DATA value;
FOR i FROM first + 1 TO last DO
value := item[i];
j := i - 1;
# WHILE j >= LWB item AND j <= UPB item ANDF item[j] > value DO // example of ANDF extension #
WHILE ( j >= LWB item AND j <= UPB item | item[j]>value | FALSE ) DO # no extension! #
item[j + 1] := item[j];
j -:= 1
OD;
item[j + 1] := value
OD
END # in place insertion sort #;
[32]CHAR data := "big fjords vex quick waltz nymph";
[UPB data]DATA ref data; FOR i TO UPB data DO ref data[i] := data[i] OD;
in place insertion sort(ref data);
FOR i TO UPB ref data DO print(ref data[i]) OD; print(new line);
print((data))