View Compilation Error

0_0_25789583_11129.cpp:25:20: error: conflicting declaration 'const ll inf'
 const ll mod=1e9+7,inf=0x3f3f3f3f3f3f3f3f;
                    ^
0_0_25789583_11129.cpp:24:17: note: previous declaration as 'const int inf'
 const int N=607,inf=1e9+7;
                 ^