View Compilation Error

0_0_24568374_360.cpp: In function 'void bfs()':
0_0_24568374_360.cpp:23:34: error: 'scanf_s' was not declared in this scope
  scanf_s("%d %d %d\n", &h, &w, &d);
                                  ^
0_0_24568374_360.cpp:25:14: error: too few arguments to function 'char* gets_s(char*, rsize_t)'
   gets_s(t[i]);
              ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/stdio.h:959:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/cstdio:42,
                 from 0_0_24568374_360.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/sec_api/stdio_s.h:91:25: note: declared here
   _CRTIMP char* __cdecl gets_s(char*,rsize_t);
                         ^
0_0_24568374_360.cpp: In function 'int main()':
0_0_24568374_360.cpp:56:18: error: 'scanf_s' was not declared in this scope
  scanf_s("%d", &n);
                  ^