View Compilation Error

0_0_24863299_18379.cpp:1:1: error: 'include' does not name a type
 include<stdio.h>
 ^
0_0_24863299_18379.cpp: In function 'int main()':
0_0_24863299_18379.cpp:6:5: error: 'prime' was not declared in this scope
     prime[1]=0;
     ^
0_0_24863299_18379.cpp:19:24: error: 'scanf' was not declared in this scope
     while(scanf("%d",&n)>0)
                        ^
0_0_24863299_18379.cpp:39:27: error: 'printf' was not declared in this scope
         printf("%d\n",maxn);
                           ^