foo.c: In function 'main':
foo.c:15:13: warning: implicit declaration of function 'scanf_s' [-Wimplicit-function-declaration]
   15 |             scanf_s("%d", &n);
      |             ^~~~~~~
foo.c:19:14: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   19 |              printf("%d", k);
      |              ^~~~~~
foo.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | int FindMin(int n, int a[])
foo.c:19:14: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   19 |              printf("%d", k);
      |              ^~~~~~
foo.c:19:14: note: include '<stdio.h>' or provide a declaration of 'printf'
/nix/store/3r87a2wq1w4l66wnsm7rqvy608mx23h6-binutils-2.40/bin/ld: /tmp/ccAGBk91.o: in function `main':
foo.c:(.text.startup+0x15): undefined reference to `scanf_s'
/nix/store/3r87a2wq1w4l66wnsm7rqvy608mx23h6-binutils-2.40/bin/ld: foo.c:(.text.startup+0x38): undefined reference to `scanf_s'
collect2: error: ld returned 1 exit status

[Hydro](https://hydro.ac)提供评测服务