View Compilation Error

0_0_4799806_11005.c:1:19: iostream: No such file or directory
0_0_4799806_11005.c:3: error: syntax error before "namespace"
0_0_4799806_11005.c: In function `main':
0_0_4799806_11005.c:7: error: `cin' undeclared (first use in this function)
0_0_4799806_11005.c:7: error: (Each undeclared identifier is reported only once
0_0_4799806_11005.c:7: error: for each function it appears in.)
0_0_4799806_11005.c:8: error: `string' undeclared (first use in this function)
0_0_4799806_11005.c:8: error: syntax error before "str"
0_0_4799806_11005.c:11: error: `str' undeclared (first use in this function)
0_0_4799806_11005.c:25: error: `cout' undeclared (first use in this function)
0_0_4799806_11005.c:31: error: `endl' undeclared (first use in this function)