View Compilation Error

0_0_36462784_22688.cpp:1:1: error: 'include' does not name a type
 include<cstdio>
 ^
0_0_36462784_22688.cpp: In function 'int main()':
0_0_36462784_22688.cpp:5:15: error: 'scanf' was not declared in this scope
  scanf("%d",&n);
               ^
0_0_36462784_22688.cpp:6:2: error: 'a' was not declared in this scope
  a[1]=0;
  ^
0_0_36462784_22688.cpp:12:7: error: 'vis' was not declared in this scope
    if(vis[j])
       ^
0_0_36462784_22688.cpp:14:3: error: 'b' was not declared in this scope
   b[i]=t;
   ^
0_0_36462784_22688.cpp:15:3: error: 'vis' was not declared in this scope
   vis[t]=1;
   ^
0_0_36462784_22688.cpp:18:17: error: 'b' was not declared in this scope
   printf("%d\n",b[i]);
                 ^
0_0_36462784_22688.cpp:18:21: error: 'printf' was not declared in this scope
   printf("%d\n",b[i]);
                     ^