View Compilation Error

0_0_34297661_10749.cpp:1:1: error: 'include' does not name a type
 include <stdio.h> 
 ^
0_0_34297661_10749.cpp: In function 'int main()':
0_0_34297661_10749.cpp:6:9: error: 'EOF' was not declared in this scope
   while(EOF!=scanf("%lf",&s))
         ^
0_0_34297661_10749.cpp:6:28: error: 'scanf' was not declared in this scope
   while(EOF!=scanf("%lf",&s))
                            ^
0_0_34297661_10749.cpp:10:21: error: 'printf' was not declared in this scope
  printf("%4.2lf\n",s);
                     ^