제출 #80442

실행 실패 (제출 코드 컴파일 에러)

{"stderr": "Main.c: In function \u2018main\u2019:\nMain.c:12:5: error: unknown type name \u2018data\u2019; use \u2018struct\u2019 keyword to refer to the type\n   12 |     data a,b,c;\n      |     ^~~~\n      |     struct \nMain.c:14:25: error: request for member \u2018x\u2019 in something not a structure or union\n   14 |     scanf(\"%lld %lld\",&a.x,&a.y);\n      |                         ^\nMain.c:14:30: error: request for member \u2018y\u2019 in something not a structure or union\n   14 |     scanf(\"%lld %lld\",&a.x,&a.y);\n      |                              ^\nMain.c:16:6: error: request for member \u2018x\u2019 in something not a structure or union\n   16 |     c.x=a.x;\n      |      ^\nMain.c:16:10: error: request for member \u2018x\u2019 in something not a structure or union\n   16 |     c.x=a.x;\n      |          ^\nMain.c:17:6: error: request for member \u2018y\u2019 in something not a structure or union\n   17 |     c.y=a.y;\n      |      ^\nMain.c:17:10: error: request for member \u2018y\u2019 in something not a structure or union\n   17 |     c.y=a.y;\n      |          ^\nMain.c:20:29: error: request for member \u2018x\u2019 in something not a structure or union\n   20 |         scanf(\"%lld %lld\",&b.x,&b.y);\n      |                             ^\nMain.c:20:34: error: request for member \u2018y\u2019 in something not a structure or union\n   20 |         scanf(\"%lld %lld\",&b.x,&b.y);\n      |                                  ^\nMain.c:21:15: error: request for member \u2018x\u2019 in something not a structure or union\n   21 |         sum+=b.x*a.y;\n      |               ^\nMain.c:21:19: error: request for member \u2018y\u2019 in something not a structure or union\n   21 |         sum+=b.x*a.y;\n      |                   ^\nMain.c:22:15: error: request for member \u2018y\u2019 in something not a structure or union\n   22 |         sum-=b.y*a.x;\n      |               ^\nMain.c:22:19: error: request for member \u2018x\u2019 in something not a structure or union\n   22 |         sum-=b.y*a.x;\n      |                   ^\nMain.c:23:10: error: request for member \u2018x\u2019 in something not a structure or union\n   23 |         a.x=b.x;\n      |          ^\nMain.c:23:14: error: request for member \u2018x\u2019 in something not a structure or union\n   23 |         a.x=b.x;\n      |              ^\nMain.c:24:10: error: request for member \u2018y\u2019 in something not a structure or union\n   24 |         a.y=b.y;\n      |          ^\nMain.c:24:14: error: request for member \u2018y\u2019 in something not a structure or union\n   24 |         a.y=b.y;\n      |              ^\nMain.c:26:11: error: request for member \u2018x\u2019 in something not a structure or union\n   26 |     sum+=c.x*a.y;\n      |           ^\nMain.c:26:15: error: request for member \u2018y\u2019 in something not a structure or union\n   26 |     sum+=c.x*a.y;\n      |               ^\nMain.c:27:11: error: request for member \u2018y\u2019 in something not a structure or union\n   27 |     sum-=c.y*a.x;\n      |           ^\nMain.c:27:15: error: request for member \u2018x\u2019 in something not a structure or union\n   27 |     sum-=c.y*a.x;\n      |               ^\nMain.c:28:26: warning: implicit declaration of function \u2018abs\u2019 [-Wimplicit-function-declaration]\n   28 |     printf(\"%.1f\",(float)abs(sum)/2);\n      |                          ^~~\nMain.c:3:1: note: include \u2018<stdlib.h>\u2019 or provide a declaration of \u2018abs\u2019\n    2 | #include <math.h>\n  +++ |+#include <stdlib.h>\n    3 | struct data\nMain.c:28:30: warning: \u2018abs\u2019 argument 1 type is \u2018long long int\u2019 where \u2018int\u2019 is expected in a call to built-in function declared without prototype [-Wbuiltin-declaration-mismatch]\n   28 |     printf(\"%.1f\",(float)abs(sum)/2);\n      |                              ^~~\n<built-in>: note: built-in \u2018abs\u2019 declared here\nMain.c:12:14: warning: variable \u2018c\u2019 set but not used [(...truncated, total 4553 characters)