foo.cc: In function 'int main()':
foo.cc:47:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
                 if(now>=q[v].a[3]&&now<=q[v].a[4])
                 ^~
foo.cc:49:18: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
                  break;
                  ^~~~~
foo.cc:64:20: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
                  if(pan[i][k][j][u])
                    ^

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