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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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36
Task/Sorting-algorithms-Shell-sort/XPL0/sorting-algorithms-shell-sort.xpl0 Normal file
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include c:\cxpl\codes; \intrinsic 'code' declarations
string 0; \use zero-terminated strings
proc SSort(A, N); \Shell sort array in ascending order
char A; \address of array
int N; \number of elements in array (size)
int I, J, Gap, JG, T;
[Gap:= N>>1;
while Gap > 0 do
[for I:= Gap to N-1 do
[J:= I - Gap;
loop [JG:= J + Gap;
if A(J) <= A(JG) then quit;
T:= A(J); A(J):= A(JG); A(JG):= T; \swap elements
J:= J - Gap;
if J < 0 then quit;
];
];
Gap:= Gap>>1;
];
]; \SSort
func StrLen(Str); \Return number of characters in an ASCIIZ string
char Str;
int I;
for I:= 0 to -1>>1-1 do
if Str(I) = 0 then return I;
char Str;
[Str:= "Pack my box with five dozen liquor jugs.";
SSort(Str, StrLen(Str));
Text(0, Str); CrLf(0);
]