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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
14735 changed files with 178959 additions and 0 deletions
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18
Task/Stack/PARI-GP/stack.pari Normal file
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@ -0,0 +1,18 @@
push(x)=v=concat(v,[x]);;
pop()={
if(#v,
my(x=v[#v]);
v=vecextract(v,1<<(#v-1)-1);
x
,
error("Stack underflow")
)
};
empty()=v==[];
peek()={
if(#v,
v[#v]
,
error("Stack underflow")
)
};