From 1c1dcf178ec6acb70f1e887341a99c3b40970ff1 Mon Sep 17 00:00:00 2001
From: deadmarshal <adeadmarshal@gmail.com>
Date: Thu, 15 Dec 2022 10:37:50 +0330
Subject: TWC194

---
 challenge-194/deadmarshal/cpp/ch-2.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 challenge-194/deadmarshal/cpp/ch-2.cpp

(limited to 'challenge-194/deadmarshal/cpp/ch-2.cpp')

diff --git a/challenge-194/deadmarshal/cpp/ch-2.cpp b/challenge-194/deadmarshal/cpp/ch-2.cpp
new file mode 100644
index 0000000000..8eaf52a1d8
--- /dev/null
+++ b/challenge-194/deadmarshal/cpp/ch-2.cpp
@@ -0,0 +1,24 @@
+#include<iostream>
+#include<vector>
+#include<string>
+#include<unordered_map>
+#include<algorithm>
+
+bool frequency_equalizer(const std::string &str)
+{
+  std::unordered_map<char,unsigned> m{};
+  std::vector<unsigned> vals{};
+  for(const auto &c : str) m[c]++;
+  for(const auto& kv : m) vals.push_back(kv.second);
+  std::sort(vals.begin(),vals.end(),std::greater<>());
+  if((vals[0] == vals[1]+1) && (vals.back() == vals[1])) return true;
+  return false;
+}
+
+int main()
+{
+  std::cout << std::boolalpha << frequency_equalizer("abbc")<< '\n';
+  std::cout << std::boolalpha << frequency_equalizer("xyzyyxz")<<'\n';
+  std::cout << std::boolalpha << frequency_equalizer("xzxz")<< '\n';
+  return 0;
+}
-- 
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