View Compilation Error

0_0_13448860_6679.cpp: In function 'int main()':
0_0_13448860_6679.cpp:13:24: error: 'memset' was not declared in this scope
  memset(dp,0,sizeof(dp));
                        ^
0_0_13448860_6679.cpp:25:9: error: 'dps' was not declared in this scope
   cout<<dps[6][0]<<endl;
         ^