运行 ID: 5412

Main.cc: In function ‘int main()’:
Main.cc:19:16: error: ‘e1’ was not declared in this scope; did you mean ‘e’?
   19 |   else if (a < e1)
      |                ^~
      |                e
Main.cc:6:10: warning: unused variable ‘d’ [-Wunused-variable]
    6 |  int a,b,d,e,f;
      |          ^