C: Why some string.h algorithms work slower than simple hand-made ones?
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by MInner
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Published on 2010-03-24T21:54:38Z
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For example, strlen() takes about 3*O(n). Why 3? I've wrote a really simple strlen-like function - it works much faster.
int string_len(char s[],int &l)
{
for(l=0;s[l];l++);
return l;
}
Well, some of my friends says, nearly all of string.h algorithms are slower than they should be.
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