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  1. #include<iostream>
  2. #include<string>
  3. #define o std::cout
  4. int main() {
  5.     auto s = ""s;
  6.     std::cin >> s;
  7.     for (char c : "2468")
  8.         for (char& k : s)
  9.             if (k == c) {
  10.                 o << (&k - &s[0]) << ',' << c;
  11.                 return 0;
  12.             }
  13.     o << "-1,8";
  14. }
Compilation error #stdin compilation error #stdout 0s 3476KB
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stdin
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637829
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:5:14: error: unable to find string literal operator ‘operator"" s’
     auto s = ""s;
              ^
prog.cpp:8:24: error: unable to deduce ‘auto&&’ from ‘s’
         for (char& k : s)
                        ^
stdout
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Standard output is empty
https://ideone.com/GtSU6l
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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