ACM_트리 배열 codeforces-597C-Subsequences[트리 배열] 597C-Subsequences For the given sequence with n different elements find the number of increasing subsequences with k + 1 elements. It is guaranteed that the answer is not greater than 8·1018. Input First line contain two... ACM_트리 배열codeforces
codeforces-597C-Subsequences[트리 배열] 597C-Subsequences For the given sequence with n different elements find the number of increasing subsequences with k + 1 elements. It is guaranteed that the answer is not greater than 8·1018. Input First line contain two... ACM_트리 배열codeforces