My favourite problems:
1798E - Multitest Generator
2144E2 - Looking at Towers (difficult version)
2134E - Power Boxes
1738D - Permutation Addicts (the worst on this list because of my reading comprehension)
My favourite problems:
1798E - Multitest Generator
2144E2 - Looking at Towers (difficult version)
2134E - Power Boxes
1738D - Permutation Addicts (the worst on this list because of my reading comprehension)