Changes:
Added missing symbols in IOI 2004 Phidias
Added missing periods in several IOI 2002 statements
Fix scoring sections of IOI 2003 Reverse and Robots
Latex-ify variables and numbers in equations in all statements
Fix line breaks in particularly poorly formatted cases
Changes: Added missing symbols in IOI 2004 Phidias Added missing periods in several IOI 2002 statements Fix scoring sections of IOI 2003 Reverse and Robots Latex-ify variables and numbers in equations in all statements Fix line breaks in particularly poorly formatted cases