You are viewing a single comment's thread from:RE: [Question] Mathematics × Programming Competition #4 [問題] 數學 × 程式編寫比賽 (第四回)View the full contextView the direct parentjustyy (82)in #contest • 7 years ago 组合数学，分分钟算出来。暴力求解，秒秒钟算出来。