View Compilation Error

0_0_29442729_5579.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_29442729_5579.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_29442729_5579.cpp:3:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_29442729_5579.cpp:4:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_29442729_5579.cpp: In function 'int main()':
0_0_29442729_5579.cpp:24:25: error: 'memset' was not declared in this scope
    memset(d,-1,sizeof(d));
                         ^
0_0_29442729_5579.cpp:26:10: error: 'cin' was not declared in this scope
    while(cin>>num){
          ^
0_0_29442729_5579.cpp:27:12: error: 'cout' was not declared in this scope
            cout<<dp(num,1)<<endl;
            ^
0_0_29442729_5579.cpp:27:29: error: 'endl' was not declared in this scope
            cout<<dp(num,1)<<endl;
                             ^