/in/foo.cc: In function 'int main()':
/in/foo.cc:20:13: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=]
   20 |     scanf("%d%d",&n,&c);
      |            ~^    ~~
      |             |    |
      |             int* long int*
      |            %ld
/in/foo.cc:20:15: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long int*' [-Wformat=]
   20 |     scanf("%d%d",&n,&c);
      |              ~^     ~~
      |               |     |
      |               int*  long int*
      |              %ld
/in/foo.cc:21:35: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=]
   21 |     for (int i=1;i<n;i++) scanf("%d",&ans[i]);
      |                                  ~^  ~~~~~~~
      |                                   |  |
      |                                   |  long int*
      |                                   int*
      |                                  %ld
/in/foo.cc:32:24: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   32 |                 if (i>c&&f!=ans[i]||f%i!=ans[i]) //优化三
      |                     ~~~^~~~~~~~~~~
/in/foo.cc:41:34: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=]
   41 |                         printf("%d %d %d\n",x,a,b);
      |                                 ~^          ~
      |                                  |          |
      |                                  int        long int
      |                                 %ld
/in/foo.cc:41:37: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=]
   41 |                         printf("%d %d %d\n",x,a,b);
      |                                    ~^         ~
      |                                     |         |
      |                                     int       long int
      |                                    %ld
/in/foo.cc:41:40: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long int' [-Wformat=]
   41 |                         printf("%d %d %d\n",x,a,b);
      |                                       ~^        ~
      |                                        |        |
      |                                        int      long int
      |                                       %ld