View Compilation Error

0_0_23614384_15798.cpp:8:8: error: macro names must be identifiers
 #define?INF?0x3f3f3f3f??
        ^
0_0_23614384_15798.cpp:9:8: error: macro names must be identifiers
 #define?MAXN?1010??
        ^
0_0_23614384_15798.cpp:10:8: error: macro names must be identifiers
 #define?MAXM?20010??
        ^
0_0_23614384_15798.cpp:11:8: error: macro names must be identifiers
 #define?MAXNODE?4*MAXN??
        ^
0_0_23614384_15798.cpp:12:8: error: macro names must be identifiers
 #define?eps?1e-9??
        ^
0_0_23614384_15798.cpp:13:6: error: expected nested-name-specifier before '?' token
 using?namespace?std;??
      ^
0_0_23614384_15798.cpp:13:21: error: expected unqualified-id before '?' token
 using?namespace?std;??
                     ^
0_0_23614384_15798.cpp:14:20: error: expected unqualified-id before '?' token
 int?T,N,M,sg[MAXN];??
                    ^