View Compilation Error

0_0_38589110_31613.cpp:1:31: error: stray '#' in program
 <span style="font-size:18px;">#include <stdio.h>
                               ^
0_0_38589110_31613.cpp:1:1: error: expected unqualified-id before '<' token
 <span style="font-size:18px;">#include <stdio.h>
 ^
0_0_38589110_31613.cpp: In function 'int main()':
0_0_38589110_31613.cpp:26:11: error: 'scanf' was not declared in this scope
     while(scanf("%s%s", str1 + 1, str2 + 1)== 2){
           ^~~~~
0_0_38589110_31613.cpp:27:9: error: 'printf' was not declared in this scope
         printf("%d\n", gg());
         ^~~~~~
0_0_38589110_31613.cpp:27:9: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
0_0_38589110_31613.cpp:3:1:
+#include <cstdio>
 #define maxn 1000
0_0_38589110_31613.cpp:27:9:
         printf("%d\n", gg());
         ^~~~~~