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Ingy döt Net 2015-02-20 09:02:09 -05:00
parent 00a190b0a6
commit 91df62d461
5697 changed files with 93386 additions and 804 deletions
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27
Task/String-matching/PARI-GP/string-matching.pari Normal file
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startsWith(string, prefix)={
string=Vec(string);
prefix=Vec(prefix);
if(#prefix > #string, return(0));
for(i=1,#prefix,if(prefix[i]!=string[i], return(0)));
1
};
contains(string, inner)={
my(good);
string=Vec(string);
inner=Vec(inner);
for(i=0,#string-#inner,
good=1;
for(j=1,#inner,
if(inner[j]!=string[i+j], good=0; break)
);
if(good, return(i+1))
);
0
};
endsWith(string, suffix)={
string=Vec(string);
suffix=Vec(suffix);
if(#suffix > #string, return(0));
for(i=1,#suffix,if(prefix[i]!=string[i+#string-#suffix], return(0)));
1
};