제출 #62732

실행 실패 (제출 코드 컴파일 에러)

Main.c: In function ‘compare2’:
Main.c:11:5: error: unknown type name ‘data’
   11 |     data d1 = *(data*)a;
      |     ^~~~
Main.c:11:17: error: ‘data’ undeclared (first use in this function)
   11 |     data d1 = *(data*)a;
      |                 ^~~~
Main.c:11:17: note: each undeclared identifier is reported only once for each function it appears in
Main.c:11:22: error: expected expression before ‘)’ token
   11 |     data d1 = *(data*)a;
      |                      ^
Main.c:12:9: error: expected ‘;’ before ‘d2’
   12 |     data d2 = *(data*)b;
      |         ^~~
      |         ;
Main.c:13:11: error: request for member ‘cnt’ in something not a structure or union
   13 |     if (d1.cnt != d2.cnt) return d2.cnt - d1.cnt; // 많이 등장한 순서로
      |           ^
Main.c:13:19: error: ‘d2’ undeclared (first use in this function); did you mean ‘d1’?
   13 |     if (d1.cnt != d2.cnt) return d2.cnt - d1.cnt; // 많이 등장한 순서로
      |                   ^~
      |                   d1
Main.c:13:45: error: request for member ‘cnt’ in something not a structure or union
   13 |     if (d1.cnt != d2.cnt) return d2.cnt - d1.cnt; // 많이 등장한 순서로
      |                                             ^
Main.c:14:14: error: request for member ‘idx’ in something not a structure or union
   14 |     return d1.idx - d2.idx; // 같으면 값이 작은 것 우선
      |              ^
Main.c:11:10: warning: variable ‘d1’ set but not used [-Wunused-but-set-variable]
   11 |     data d1 = *(data*)a;
      |          ^~
Main.c:15:1: warning: control reaches end of non-void function [-Wreturn-type]
   15 | }
      | ^
Main.c: In function ‘main’:
Main.c:24:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   24 |     scanf("%d",&n);
      |     ^~~~~~~~~~~~~~
Main.c:28:6: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   28 |      scanf("%d",&arr[i]);
      |      ^~~~~~~~~~~~~~~~~~~