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rusdevops/code.cpp

Last active March 24, 2021 17:53
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code.cpp
#include <iostream>
#include <string>
std::string& normalize(std::string& s, const char c = '_') {
auto j = s.begin();
for (auto i = s.begin(); i != s.end(); ++i) {
if (*i != c || (j != s.begin() && *(j - 1) != c))
*j++ = std::move(*i);
}
s.erase(j, s.end());
if (!s.empty() && s.back() == c)
s.pop_back();
return s;
}
int main() {
std::string s;
std::cin >> s;
std::cout << normalize(s);
return 0;
}
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