commit f99ee8906d052737b2dfcc137549cbf1c4a1358d parent 186191481d9af994dacc615ac52a534f33d8365c Author: Dimitrije Dobrota <mail@dimitrijedobrota.com> Date: Sun, 26 Nov 2023 22:00:45 +0000 1 Random Problem Diffstat:
A | Problems/2947.cpp | | | 21 | +++++++++++++++++++++ |
M | README.md | | | 1 | + |
2 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/Problems/2947.cpp b/Problems/2947.cpp @@ -0,0 +1,21 @@ +class Solution { + static inline bool isVowel(const char c) { + return c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u'; + } + + public: + int beautifulSubstrings(const string &s, int k) const { + const int n = s.size(); + int res = 0; + for (int i = 0; i < n; i++) { + int vowels = 0, consonants = 0; + for (int j = i; j < n; j++) { + isVowel(s[j]) ? vowels++ : consonants++; + if (vowels != consonants) continue; + if ((vowels * consonants) % k != 0) continue; + res++; + } + } + return res; + } +}; diff --git a/README.md b/README.md @@ -923,3 +923,4 @@ for solving problems. | 2856 | Medium | [Minimum Array Length After Pair Removals](Problems/2856.cpp) | | 2895 | Medium | [Minimum Processing Time](Problems/2895.cpp) | | 2900 | Medium | [Longest Unequal Adjacent Groups Subsequence I](Problems/2900.cpp) | +| 2947 | Medium | [Count Beautiful Substrings I](Problems/2947.cpp) |