/in/foo.cc: In function 'int main()':
/in/foo.cc:20:17: 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:20:19: 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:21:45: 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:32:43: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   32 |                                 if (i > c && f != ans[i] || f % i != ans[i]) //优化三
      |                                     ~~~~~~^~~~~~~~~~~~~~
/in/foo.cc:41:42: 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:41:45: 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:41:48: 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