/in/foo.cc: In function 'int gcd(int, int)':
/in/foo.cc:5:12: error: expected ')' before 'a'
     if (b  a)
            ^
/in/foo.cc:7:15: error: expected ')' before numeric constant
     while (b  0)
               ^
/in/foo.cc:7:16: error: expected ';' before ')' token
     while (b  0)
                ^
/in/foo.cc:11:5: warning: statement has no effect [-Wunused-value]
     }
     ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:17:10: error: expected ';' before 'T'
     cin  T;
          ^
/in/foo.cc:17:11: warning: statement has no effect [-Wunused-value]
     cin  T;
           ^
/in/foo.cc:22:28: error: expected ';' before 'n'
         for (int i = 1; i  n; i )
                            ^
/in/foo.cc:22:28: warning: for increment expression has no effect [-Wunused-value]
/in/foo.cc:22:29: error: expected ')' before ';' token
         for (int i = 1; i  n; i )
                             ^
/in/foo.cc:22:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
         for (int i = 1; i  n; i )
         ^~~
/in/foo.cc:22:31: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
         for (int i = 1; i  n; i )
                               ^
/in/foo.cc:22:31: error: 'i' was not declared in this scope
/in/foo.cc:25:28: error: expected ';' before 'n'
         for (int i = 3; i  n; i )
                            ^
/in/foo.cc:25:28: warning: for increment expression has no effect [-Wunused-value]
/in/foo.cc:25:29: error: expected ')' before ';' token
         for (int i = 3; i  n; i )
                             ^
/in/foo.cc:25:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
         for (int i = 3; i  n; i )
         ^~~
/in/foo.cc:25:31: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
         for (int i = 3; i  n; i )
                               ^
/in/foo.cc:25:33: error: expected ';' before ')' token
         for (int i = 3; i  n; i )
                                 ^
/in/foo.cc:27:18: error: expected ')' before numeric constant
         if (tmp  1  n  1)
                  ^
/in/foo.cc:28:19: error: expected ';' before string constant
             cout  "YES"  endl;
                   ^~~~~
/in/foo.cc:28:30: warning: statement has no effect [-Wunused-value]
             cout  "YES"  endl;
                              ^
/in/foo.cc:29:20: error: expected ';' before string constant
         else cout  "NO"  endl;
                    ^~~~
/in/foo.cc:29:30: warning: statement has no effect [-Wunused-value]
         else cout  "NO"  endl;
                              ^