View Compilation Error

0_0_12856110_2856.c: In function `main':
0_0_12856110_2856.c:9: error: syntax error before numeric constant
0_0_12856110_2856.c:10: error: invalid lvalue in unary `&'
0_0_12856110_2856.c:10: error: `m' undeclared (first use in this function)
0_0_12856110_2856.c:10: error: (Each undeclared identifier is reported only once
0_0_12856110_2856.c:10: error: for each function it appears in.)
0_0_12856110_2856.c:15: error: `i' undeclared (first use in this function)
0_0_12856110_2856.c:17: error: `x' undeclared (first use in this function)
0_0_12856110_2856.c:17: error: `y' undeclared (first use in this function)
0_0_12856110_2856.c:26: error: `f' undeclared (first use in this function)
0_0_12856110_2856.c:27: error: `j' undeclared (first use in this function)
0_0_12856110_2856.c:32: error: `k' undeclared (first use in this function)