View Compilation Error

0_0_8522382_21157.c:2:17: string: No such file or directory
0_0_8522382_21157.c:3: error: syntax error before "namespace"
0_0_8522382_21157.c: In function `main':
0_0_8522382_21157.c:12: error: 'for' loop initial declaration used outside C99 mode
0_0_8522382_21157.c:13: error: 'for' loop initial declaration used outside C99 mode
0_0_8522382_21157.c:18: error: redefinition of 'i'
0_0_8522382_21157.c:12: error: previous definition of 'i' was here
0_0_8522382_21157.c:18: error: 'for' loop initial declaration used outside C99 mode
0_0_8522382_21157.c:19: error: redefinition of 'j'
0_0_8522382_21157.c:13: error: previous definition of 'j' was here
0_0_8522382_21157.c:19: error: 'for' loop initial declaration used outside C99 mode
0_0_8522382_21157.c:20: error: 'for' loop initial declaration used outside C99 mode