View Compilation Error

0_0_3943042_21880.c:3:17: string: No such file or directory
0_0_3943042_21880.c:4:19: iostream: No such file or directory
0_0_3943042_21880.c:5: error: syntax error before "namespace"
0_0_3943042_21880.c: In function `main':
0_0_3943042_21880.c:14: error: syntax error before '/' token
0_0_3943042_21880.c:31: error: 'for' loop initial declaration used outside C99 mode