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View Compilation Error

0_0_39283258_18283.cpp:10:14: error: expected ')' before 'a'
   10 | bool cmp(time a,time b)
      |         ~    ^~
      |              )
0_0_39283258_18283.cpp:10:21: error: expected ')' before 'b'
   10 | bool cmp(time a,time b)
      |         ~           ^~
      |                     )
0_0_39283258_18283.cpp:10:23: error: expression list treated as compound expression in initializer [-fpermissive]
   10 | bool cmp(time a,time b)
      |                       ^
0_0_39283258_18283.cpp:11:1: error: expected ',' or ';' before '{' token
   11 | {
      | ^
0_0_39283258_18283.cpp: In function 'int main()':
0_0_39283258_18283.cpp:17:9: error: expected ';' before 'time'
   17 |     time time[100];
      |         ^~~~~
      |         ;
0_0_39283258_18283.cpp:24:26: error: request for member 't1' in '*(time + ((sizetype)i))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   24 |             cin>>time[i].t1;
      |                          ^~
0_0_39283258_18283.cpp:25:26: error: request for member 't2' in '*(time + ((sizetype)i))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   25 |             cin>>time[i].t2;
      |                          ^~
0_0_39283258_18283.cpp:33:29: error: request for member 't1' in '*(time + ((sizetype)i))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   33 |                 if (time[i].t1>=time[j].t2&&time[j].order+1>max) max=time[j].order+1;
      |                             ^~
0_0_39283258_18283.cpp:33:41: error: request for member 't2' in '*(time + ((sizetype)j))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   33 |                 if (time[i].t1>=time[j].t2&&time[j].order+1>max) max=time[j].order+1;
      |                                         ^~
0_0_39283258_18283.cpp:33:53: error: request for member 'order' in '*(time + ((sizetype)j))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   33 |                 if (time[i].t1>=time[j].t2&&time[j].order+1>max) max=time[j].order+1;
      |                                                     ^~~~~
0_0_39283258_18283.cpp:33:78: error: request for member 'order' in '*(time + ((sizetype)j))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   33 |                 if (time[i].t1>=time[j].t2&&time[j].order+1>max) max=time[j].order+1;
      |                                                                              ^~~~~
0_0_39283258_18283.cpp:35:31: error: request for member 'order' in '*(time + ((sizetype)i))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   35 |             if (!max) time[i].order=1;
      |                               ^~~~~
0_0_39283258_18283.cpp:36:26: error: request for member 'order' in '*(time + ((sizetype)i))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   36 |             else time[i].order=max;
      |                          ^~~~~
0_0_39283258_18283.cpp:37:25: error: request for member 'order' in '*(time + ((sizetype)i))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   37 |             if (time[i].order>smax) smax=time[i].order;
      |                         ^~~~~
0_0_39283258_18283.cpp:37:50: error: request for member 'order' in '*(time + ((sizetype)i))', which is of non-class type 'time_t(time_t*)' {aka 'long long int(long long int*)'}
   37 |             if (time[i].order>smax) smax=time[i].order;
      |                                                  ^~~~~
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/algorithm:61,
                 from 0_0_39283258_18283.cpp:2:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_algo.h: In instantiation of 'constexpr void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = long long int (*)(long long int*); _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool>]':
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_algo.h:4894:18:   required from 'constexpr void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = long long int (*)(long long int*); _Compare = bool]'
0_0_39283258_18283.cpp:27:13:   required from here
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/bits/stl_algo.h:1948:50: error: ISO C++ forbids using pointer to a function in subtraction [-fpermissive]
 1948 |                                 std::__lg(__last - __first) * 2,
      |                                           ~~~~~~~^~~~~~~~~


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