摘要:
A. Two distinct points You are given two segments [l1;r1] and [l2;r2] on the x-axis. It is guaranteed that l1<r1 and l2<r2. Segments may intersect, ov 阅读全文
摘要:
A. Splitting into digits A. Splitting into digits Vasya has his favourite number n. He wants to split it to some non-zero digits. It means, that he wa 阅读全文