deletions | additions       diff --git a/approach.tex b/approach.tex  index b1614db..2a6cece 100644  --- a/approach.tex  +++ b/approach.tex 
...
\begin{verbatim}  int fac(int n) {  int i, i = 2, f = 1;  while (i<=n) f *= i++;  return f;  }  \end{verbatim}  \begin{verbatim}  int fac(int n) {  int i = 2,  f = 1; for (i=2; i<=n; i++) while (i<=n) {  if (osr_cond) { fac_osr(n,i,f); return f; }  f *= i; i++;  }  return f;  }  \end{verbatim} 
...