View Compilation Error

0_0_20262748_3277.c:1:1: error: expected identifier or '(' before '/' token
 //#include <iostream>
 ^
0_0_20262748_3277.c:1:3: error: stray '#' in program
 //#include <iostream>
   ^
0_0_20262748_3277.c:2:18: fatal error: cstdio: No such file or directory
 #include <cstdio>
                  ^
compilation terminated.