View Compilation Error

0_0_20602259_17979.c:2:1: error: expected identifier or '(' before '/' token
 //#include<iostream>
 ^
0_0_20602259_17979.c:2:3: error: stray '#' in program
 //#include<iostream>
   ^
0_0_20602259_17979.c:4:17: fatal error: string: No such file or directory
 #include<string>
                 ^
compilation terminated.