View Compilation Error

86059_0_20502.c: In function `solve_subtaskx':
86059_0_20502.c:24: error: syntax error before '/' token
86059_0_20502.c:33: error: syntax error before '/' token
86059_0_20502.c: At top level:
86059_0_20502.c:41: error: syntax error before "return"
86059_0_20502.c: In function `solve_subtasky':
86059_0_20502.c:48: error: syntax error before '/' token
86059_0_20502.c:56: error: syntax error before '/' token
86059_0_20502.c: In function `can_see':
86059_0_20502.c:76: error: syntax error before '/' token
86059_0_20502.c: In function `find_path':
86059_0_20502.c:99: error: syntax error before '/' token
86059_0_20502.c:103: error: syntax error before '/' token
86059_0_20502.c:106: error: syntax error before '/' token
86059_0_20502.c:116: error: syntax error before '/' token
86059_0_20502.c: In function `solve_one':
86059_0_20502.c:142: error: syntax error before '/' token