제출 #116619

실행 실패 (제출 코드 컴파일 에러)

Main.c: In function ‘main’:
Main.c:14:5: warning: implicit declaration of function ‘postorder’ [-Wimplicit-function-declaration]
   14 |     postorder(0,n-1);
      |     ^~~~~~~~~
/usr/bin/ld: /tmp/ccOtMlu3.o: in function `main':
Main.c:(.text.startup+0x4c): undefined reference to `postorder'
collect2: error: ld returned 1 exit status