View Compilation Error

175634_0_31918.c: In function `main':
175634_0_31918.c:4: error: stray '\163' in program
175634_0_31918.c:4: error: stray '\172' in program
175634_0_31918.c:4: error: syntax error before "k"
175634_0_31918.c:12: error: `k' undeclared (first use in this function)
175634_0_31918.c:12: error: (Each undeclared identifier is reported only once
175634_0_31918.c:12: error: for each function it appears in.)
175634_0_31918.c:15: error: `a' undeclared (first use in this function)