View Compilation Error

0_0_4929855_1037.c:1: error: syntax error before '<' token
0_0_4929855_1037.c:6: error: syntax error before "while"
0_0_4929855_1037.c:9: error: `n' undeclared here (not in a function)
0_0_4929855_1037.c:11: error: syntax error before "while"
0_0_4929855_1037.c:17: error: syntax error before "while"
0_0_4929855_1037.c:23: error: syntax error before "while"