/in/foo.cc: In function 'int main()':
/in/foo.cc:34:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int i=1;i<=n;i++) a[i]=readint();sort(a+1,a+n+1);
     ^~~
/in/foo.cc:34:42: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
     for(int i=1;i<=n;i++) a[i]=readint();sort(a+1,a+n+1);
                                          ^~~~