View Compilation Error

0_0_34548090_10214.cpp:1:1: error: 'include' does not name a type
 include <stdio.h>
 ^
0_0_34548090_10214.cpp: In function 'int main()':
0_0_34548090_10214.cpp:6:29: error: 'scanf' was not declared in this scope
     while(scanf("%d%d",&x,&n)!=EOF)
                             ^
0_0_34548090_10214.cpp:6:32: error: 'EOF' was not declared in this scope
     while(scanf("%d%d",&x,&n)!=EOF)
                                ^
0_0_34548090_10214.cpp:9:28: error: 'printf' was not declared in this scope
             printf("%d\n",x);
                            ^
0_0_34548090_10214.cpp:15:23: error: 'printf' was not declared in this scope
             printf("-");
                       ^
0_0_34548090_10214.cpp:26:30: error: 'printf' was not declared in this scope
         printf("%c",X[num[i]]);
                              ^
0_0_34548090_10214.cpp:27:20: error: 'printf' was not declared in this scope
         printf("\n");
                    ^