View Compilation Error

0_0_38305794_8980.c:1:1: error: expected identifier or '(' before '/' token
 //#include <cstring>
 ^
0_0_38305794_8980.c:1:3: error: stray '#' in program
 //#include <cstring>
   ^
0_0_38305794_8980.c:2:20: fatal error: iostream: No such file or directory
 #include <iostream>
                    ^
compilation terminated.