这个是哪里错了
hello.c: In function 'main': hello.c:9:17: error: '$x' undeclared (first use in this function) scanf("%lf",$x); ^~ hello.c:9:17: note: each undeclared identifier is reported only once for each function it appears in
hello.c: In function 'main': hello.c:9:17: error: '$x' undeclared (first use in this function) scanf("%lf",$x); ^~ hello.c:9:17: note: each undeclared identifier is reported only once for each function it appears in
2019-08-01
举报