View Compilation Error

0_0_32865914_22072.cpp:1:30: error: stray '#' in program
 <pre name="code" class="cpp">#include<cstdio>
                              ^
0_0_32865914_22072.cpp:1:1: error: expected unqualified-id before '<' token
 <pre name="code" class="cpp">#include<cstdio>
 ^
0_0_32865914_22072.cpp: In function 'int main()':
0_0_32865914_22072.cpp:7:24: error: 'scanf' was not declared in this scope
     while(scanf("%d",&n)&&n)
                        ^
0_0_32865914_22072.cpp:30:36: error: 'printf' was not declared in this scope
                 printf("%c",a[i][j]);
                                    ^
0_0_32865914_22072.cpp:33:20: error: 'printf' was not declared in this scope
         printf("\n");
                    ^