View Compilation Error

0_0_21979845_29247.cpp:1:2: error: invalid preprocessing directive #includ
 #includ<bits/stdc++.h.
  ^
0_0_21979845_29247.cpp: In function 'int main()':
0_0_21979845_29247.cpp:25:5: error: 'cin' was not declared in this scope
     cin>>T;
     ^
0_0_21979845_29247.cpp:31:38: error: 'scanf' was not declared in this scope
             scanf("%d %d",&p[i],&a[i]);
                                      ^
0_0_21979845_29247.cpp:33:34: error: 'printf' was not declared in this scope
         printf("Case #%d: ",tca++);
                                  ^