View Compilation Error

0_0_32708490_20906.cpp: In function 'int main()':
0_0_32708490_20906.cpp:11:19: error: 'INF' was not declared in this scope
         memset(dp,INF,sizeof(dp));
                   ^
0_0_32708490_20906.cpp:35:17: error: 'it' was not declared in this scope
             for(it i=0;i<cnt;i++)
                 ^
0_0_32708490_20906.cpp:35:24: error: 'i' was not declared in this scope
             for(it i=0;i<cnt;i++)
                        ^