제출 #66059

실행 실패 (제출 코드 컴파일 에러)

Main.c: In function ‘main’:
Main.c:10:15: error: ‘a’ undeclared (first use in this function)
   10 |     int c =  (a>b?a-b:b-a);
      |               ^
Main.c:10:15: note: each undeclared identifier is reported only once for each function it appears in
Main.c:10:17: error: ‘b’ undeclared (first use in this function)
   10 |     int c =  (a>b?a-b:b-a);
      |                 ^
Main.c:6:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    6 |     scanf("%d %d", &plus, &minus);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~