Educational Codeforces Round 177 (Rated for Div. 2) – Problem Analysis and Solutions
A. Cloudberry Jam Cloudberries and sugar are mixed in equal weight to make jam. During cooking, 25% of the total mixture evaporates. For each 2 kg of cloudberries, you get 3 kg of jam. You need to fill n jars, each holding 3 kg of jam. Determine the required kilograms of cloudberries (n ≤ 108). Solu...