Main.c: In function ‘Entry’:
Main.c:227:5: warning: implicit declaration of function ‘gets’; did you mean ‘fgets’? [-Wimplicit-function-declaration]
  227 |     gets(ch1);
      |     ^~~~
      |     fgets
Main.c: In function ‘inputM’:
Main.c:298:18: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long int’ [-Wformat=]
  298 |        printf("%4d%10s%8d
",men[n].Mid,men[n].Mname,men[n].Score);
      |                ~~^           ~~~~~~~~~~
      |                  |                 |
      |                  int               long int
      |                %4ld
Main.c:298:25: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘long int’ [-Wformat=]
  298 |        printf("%4d%10s%8d
",men[n].Mid,men[n].Mname,men[n].Score);
      |                       ~~^                            ~~~~~~~~~~~~
      |                         |                                  |
      |                         int                                long int
      |                       %8ld
Main.c: In function ‘changeM’:
Main.c:320:15: warning: format ‘%lld’ expects argument of type ‘long long int *’, but argument 2 has type ‘long int *’ [-Wformat=]
  320 |     scanf("%lld",&men[x-1].Score);
      |            ~~~^  ~~~~~~~~~~~~~~~
      |               |  |
      |               |  long int *
      |               long long int *
      |            %ld
Main.c: In function ‘outputB’:
Main.c:378:5: error: expected declaration or statement at end of input
  378 |     return 0;
      |     ^~~~~~