Run id: 79877

Main.cc: In function 'int main()':
Main.cc:6:11: error: 'a' was not declared in this scope
   int s=0;a
           ^
Main.cc:7:15: error: 'i' was not declared in this scope
   for(int i=1;i<=n;i++) s+=i;
               ^
Main.cc:9:3: error: 'a' was not declared in this scope
  }a
   ^