foo.c: In function 'main':
foo.c:11:15: warning: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
   11 |         int n;scanf_s("%d",&n);
      |               ^~~~~~~
      |               scanf
foo.c: In function 'Moveright':
foo.c:8:1: warning: control reaches end of non-void function [-Wreturn-type]
    8 | }
      | ^
/nix/store/74y3751gsixaz9797ib0hp7c658sp1y5-binutils-2.40/bin/ld: /tmp/cc2K8XiR.o: in function `main':
foo.c:(.text.startup+0x25): undefined reference to `scanf_s'
/nix/store/74y3751gsixaz9797ib0hp7c658sp1y5-binutils-2.40/bin/ld: foo.c:(.text.startup+0x56): undefined reference to `scanf_s'
/nix/store/74y3751gsixaz9797ib0hp7c658sp1y5-binutils-2.40/bin/ld: foo.c:(.text.startup+0x71): undefined reference to `scanf_s'
collect2: error: ld returned 1 exit status

[Hydro](https://hydro.ac)提供评测服务