foo.cc:6:44: error: narrowing conversion of '1.0e+1' from 'double' to 'int' inside { } [-Wnarrowing]
 int d[9]={1,1e1,1e2,1e3,1e4,1e5,1e6,1e7,1e8};
                                            ^
foo.cc:6:44: error: narrowing conversion of '1.0e+2' from 'double' to 'int' inside { } [-Wnarrowing]
foo.cc:6:44: error: narrowing conversion of '1.0e+3' from 'double' to 'int' inside { } [-Wnarrowing]
foo.cc:6:44: error: narrowing conversion of '1.0e+4' from 'double' to 'int' inside { } [-Wnarrowing]
foo.cc:6:44: error: narrowing conversion of '1.0e+5' from 'double' to 'int' inside { } [-Wnarrowing]
foo.cc:6:44: error: narrowing conversion of '1.0e+6' from 'double' to 'int' inside { } [-Wnarrowing]
foo.cc:6:44: error: narrowing conversion of '1.0e+7' from 'double' to 'int' inside { } [-Wnarrowing]
foo.cc:6:44: error: narrowing conversion of '1.0e+8' from 'double' to 'int' inside { } [-Wnarrowing]
foo.cc: In function 'int main()':
foo.cc:42:7: warning: unused variable 'j' [-Wunused-variable]
  ll i,j,m;
       ^
foo.cc:42:9: warning: unused variable 'm' [-Wunused-variable]
  ll i,j,m;
         ^

自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。