View Compilation Error

0_0_26635193_27866.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_26635193_27866.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_26635193_27866.cpp:3:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_26635193_27866.cpp:4:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_26635193_27866.cpp: In function 'int main()':
0_0_26635193_27866.cpp:11:34: error: 'scanf' was not declared in this scope
     while(~scanf("%lld%lld",&n,&p))
                                  ^
0_0_26635193_27866.cpp:14:21: error: expected ';' before ')' token
         for(i=0; i=p) break;
                     ^
0_0_26635193_27866.cpp:19:33: error: 'printf' was not declared in this scope
             printf("%lld\n",maxn);
                                 ^
0_0_26635193_27866.cpp: At global scope:
0_0_26635193_27866.cpp:21:5: error: expected declaration before '}' token
     }
     ^