foo.cc: In function 'int main()':
foo.cc:24:16: error: 'Time::Time(int, int, int)' is private within this context
   24 |  Time t(h, m, s);
      |                ^
foo.cc:6:2: note: declared private here
    6 |  Time(int h, int m, int s) {
      |  ^~~~
foo.cc:27:30: error: 'int Time::minus(int, int, int)' is private within this context
   27 |  int total=t.minus(h1, m1, s1);
      |                              ^
foo.cc:11:6: note: declared private here
   11 |  int minus(int h, int m, int s) {
      |      ^~~~~

[Hydro](https://hydro.ac)提供评测服务