View Compilation Error

0_0_18110982_25100.cpp: In function 'int main(int, const char**)':
0_0_18110982_25100.cpp:16:7: error: 'i' was not declared in this scope
   for(i=0;i<12;i++)  
       ^
0_0_18110982_25100.cpp:17:20: error: 'INF' was not declared in this scope
          dp[0][i]=-INF;  
                    ^