View Compilation Error

0_0_37315694_20697.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_37315694_20697.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_37315694_20697.cpp:3:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_37315694_20697.cpp: In function 'int main()':
0_0_37315694_20697.cpp:16:23: error: 'scanf' was not declared in this scope
    while(scanf("%d",&n),n)
                       ^
0_0_37315694_20697.cpp:19:12: error: expected ';' before 'scanf'
            scanf("%d %d",&s[i].d,&s[i].p);
            ^
0_0_37315694_20697.cpp:19:42: error: expected ')' before ';' token
            scanf("%d %d",&s[i].d,&s[i].p);
                                          ^
0_0_37315694_20697.cpp:20:18: error: 'sort' was not declared in this scope
        sort(s,s+n);
                  ^
0_0_37315694_20697.cpp:21:45: error: 'printf' was not declared in this scope
        printf("Menu %d: %d\n",ncase++,s[0].d);
                                             ^