View Compilation Error

0_0_38585090_9190.cpp: In function 'bool cmp(scanline&, scanline&)':
0_0_38585090_9190.cpp:19:51: error: expected ';' before '}' token
 bool cmp(scanline &a,scanline &b){return a.y < b.y} //y坐标排序
                                                   ^
                                                   ;
0_0_38585090_9190.cpp: In function 'int main()':
0_0_38585090_9190.cpp:54:9: error: 'memset' was not declared in this scope
         memset(Tag,0,sizeof(Tag));
         ^~~~~~
0_0_38585090_9190.cpp:54:9: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
0_0_38585090_9190.cpp:3:1:
+#include <cstring>
 #define ll long long
0_0_38585090_9190.cpp:54:9:
         memset(Tag,0,sizeof(Tag));
         ^~~~~~