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function reverseString : string as input;
string reversed = "";
string strTmp;
int len;
call length : input -> len;
len -= 1;
while len >= 0;
call char_at : input, len -> strTmp;
reversed += strTmp;
len -= 1;
end;
return reversed;
function startsWith : string as input, string as startStr;
string firstChars;
int len;
string strTmp;
int index = 0;
call length : startStr -> len;
while len > 0;
call char_at : input, index -> strTmp;
firstChars += strTmp;
len -= 1;
index += 1;
end;
int toReturn;
if firstChars == startStr;
toReturn = 1;
else;
toReturn = 0;
end;
return toReturn;
function endsWith : string as input, string as startStr;
string firstChars;
int lenStr;
int lenInput;
int start;
string strTmp;
call length : startStr -> lenStr;
call length : input -> lenInput;
lenInput -= lenStr;
start = lenInput;
call length : input -> lenInput;
while start < lenInput;
call char_at : input, start -> strTmp;
firstChars += strTmp;
start += 1;
end;
int toReturn;
if firstChars == startStr;
toReturn = 1;
else;
toReturn = 0;
end;
return toReturn;
function substring : string as input, int as start, int as endIndex;
string substr = "";
string strTmp;
while start < endIndex;
call char_at : input, start -> strTmp;
substr += strTmp;
start += 1;
end;
return substr;
function indexOf : string as input, string as substr;
int index = -1;
int len;
int inputLen;
string tmp;
call length : substr -> len;
call length : input -> inputLen;
int startIndex = 0;
int endIndex = len;
inputLen -= len;
while endIndex <= inputLen;
call substring : input, startIndex, endIndex -> tmp;
if tmp == substr;
index = startIndex;
index -= 1;
break 2;
end;
startIndex += 1;
endIndex += 1;
end;
return index;
function lastIndexOf : string as input, string as substr;
int index = -1;
int len;
int inputLen;
string tmp;
call length : substr -> len;
call length : input -> inputLen;
int startIndex = 0;
int endIndex = len;
inputLen -= len;
while endIndex <= inputLen;
call substring : input, startIndex, endIndex -> tmp;
if tmp == substr;
index = startIndex;
index -= 1;
end;
startIndex += 1;
endIndex += 1;
end;
return index;
function replaceAll : string as input, string as substr, string as toReplace;
int lenSubstr;
int len;
call length : substr -> lenSubstr;
call length : input -> len;
int start = 0;
int endIndex = lenSubstr;
string replaced = "";
string tmp;
int replacedLast = 0;
int lastIndex = 0;
int replacedLastIndex = len;
replacedLastIndex -= lenSubstr;
while endIndex <= len;
call substring : input, start, endIndex -> tmp;
lastIndex = start;
if tmp == substr;
start += lenSubstr;
endIndex += lenSubstr;
replaced += toReplace;
if lastIndex == replacedLastIndex;
replacedLast = 1;
end;
else;
call char_at : input, start -> tmp;
replaced += tmp;
start += 1;
endIndex += 1;
end;
end;
if replacedLast == 0;
start = lastIndex;
end;
while start < len;
call char_at : input, start -> tmp;
replaced += tmp;
start += 1;
end;
return replaced;
function replaceFirst : string as input, string as substr, string as toReplace;
int lenSubstr;
int len;
call length : substr -> lenSubstr;
call length : input -> len;
int start = 0;
int endIndex = lenSubstr;
string replaced = "";
string tmp;
int replacedFirst = 0;
int replacedLast = 0;
int lastIndex = 0;
int replacedLastIndex = len;
replacedLastIndex -= lenSubstr;
while endIndex <= len;
call substring : input, start, endIndex -> tmp;
lastIndex = start;
if tmp == substr;
start += lenSubstr;
endIndex += lenSubstr;
if replacedFirst == 0;
replaced += toReplace;
replacedFirst = 1;
break 3;
end;
else;
call char_at : input, start -> tmp;
replaced += tmp;
start += 1;
endIndex += 1;
end;
end;
if replacedLast == 0;
start = lastIndex;
end;
while start < len;
call char_at : input, start -> tmp;
replaced += tmp;
start += 1;
end;
return replaced;
function convertIntToBase : int as input, int as newBase;
string strValue = "";
string strTmp;
int inputCopy = input;
while input > 0;
inputCopy = input % newBase;
input /= newBase;
call int_to_string : inputCopy -> strTmp;
strValue += strTmp;
inputCopy = input;
end;
string reversed;
call reverseString : strValue -> reversed;
return reversed;
function convertIntToHex : int as input, int as newBase;
string strValue = "";
string strTmp;
int inputCopy = input;
while input > 0;
inputCopy = input % newBase;
input /= newBase;
call int_to_string : inputCopy -> strTmp;
int tmpInt;
call to_int : strTmp -> tmpInt;
if tmpInt < 10;
strValue += strTmp;
else;
if strTmp == "10";
strValue += "a";
else;
if strTmp == "11";
strValue += "b";
else;
if strTmp == "12";
strValue += "c";
else;
if strTmp == "13";
strValue += "d";
else;
if strTmp == "14";
strValue += "e";
else;
if strTmp == "15";
strValue += "f";
else;
end;
end;
end;
end;
end;
end;
end;
inputCopy = input;
end;
string reversed;
call reverseString : strValue -> reversed;
return reversed;