史无前例的做出C题啊!!!激动ing~~。。。 Fox Ciel has n boxes in her room. They have the same size and weight, but they might have different strength. The i-th box can hold at most xi boxes on its top (we'll
链接:http://codeforces.com/problemset/problem/388/A Fox and Box Accumulation time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output