11 lines
244 B
C++
11 lines
244 B
C++
#ifndef ALGORITHM
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#define ALGORITHM
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#include <algorithm>
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#endif
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inline bool is_number(const std::string &s)
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{
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return !s.empty() && std::find_if(s.begin(),
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s.end(), [](unsigned char c) { return !std::isdigit(c); }) == s.end();
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}
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