View Compilation Error

0_0_12391133_27618.c:2:19: iostream: No such file or directory
0_0_12391133_27618.c:3:17: cstdio: No such file or directory
0_0_12391133_27618.c:4: error: syntax error before "namespace"
0_0_12391133_27618.c: In function `CreateTree':
0_0_12391133_27618.c:27: error: syntax error before '/' token