문제 // Codility // Prefix Sum // GenoricRangeQuery // (성능부족)
업데이트 :: 2018.08.19 문제코드결과학습문제A DNA sequence can be represented as a string consisting of the letters A, C, G and T, which correspond to the types of successive nucleotides in the sequence. Each nucleotide has an impact factor, which is an integer. Nucleotides of types A, C, G and T have impact factors of 1, 2, 3 and 4, respectively. You are going to answer several queries of the form: What is th..