foo.cc: In function 'int main()':
foo.cc:14:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(i=1;i<n;i++)
     ^~~
foo.cc:21:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
         cout<<e[1]<<" "<<f[e[1]];
         ^~~~

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

{"receive":"2020-07-29T14:34:38.425Z","handle":"2020-07-29T14:34:38.425Z","cache_start":"2020-07-29T14:34:38.432Z","read_cases":"2020-07-29T14:34:38.596Z","judge":"2020-07-29T14:34:38.597Z","done":"2020-07-29T14:34:38.958Z"}