View Compilation Error

0_0_25794752_20527.cpp: In function 'int main()':
0_0_25794752_20527.cpp:79:17: error: 'INF' was not declared in this scope
         mem(rs1,INF); mem(rs2,0);
                 ^
0_0_25794752_20527.cpp:13:27: note: in definition of macro 'mem'
 #define mem(a,b) memset(a,b,sizeof(a))
                           ^