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-rw-r--r--challenge-194/deadmarshal/cpp/ch-2.cpp24
1 files changed, 24 insertions, 0 deletions
diff --git a/challenge-194/deadmarshal/cpp/ch-2.cpp b/challenge-194/deadmarshal/cpp/ch-2.cpp
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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;
+}