foo.cc: In function 'int main()':
foo.cc:29:33: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   29 |                                 for (int i = b + 1;i <= len1 - 1;i++)cout << x[i];return 0;
      |                                 ^~~
foo.cc:29:83: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   29 |                                 for (int i = b + 1;i <= len1 - 1;i++)cout << x[i];return 0;
      |                                                                                   ^~~~~~
foo.cc:34:41: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   34 |                                         for (int i = 0;i <= a - 1;i++)cout << x[i];return 0;
      |                                         ^~~
foo.cc:34:84: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   34 |                                         for (int i = 0;i <= a - 1;i++)cout << x[i];return 0;
      |                                                                                    ^~~~~~
foo.cc:39:41: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   39 |                                         for (int i = b + 1;i <= len1 - 1;i++)cout << x[i];return 0;
      |                                         ^~~
foo.cc:39:91: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   39 |                                         for (int i = b + 1;i <= len1 - 1;i++)cout << x[i];return 0;
      |                                                                                           ^~~~~~

[Hydro](https://hydro.ac)提供评测服务