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  1. #include <iostream>
  2.  
  3. int main() {
  4. long float float2{ 5.0F };
  5. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cpp: In function ‘int main()’:
prog.cpp:4:13: error: ‘long’ invalid for ‘float2’
  long float float2{ 5.0F };
             ^
prog.cpp:4:13: warning: unused variable ‘float2’ [-Wunused-variable]
stdout
Standard output is empty