View Compilation Error

0_0_1523687_22833.c:8: error: syntax error before '&' token
0_0_1523687_22833.c: In function `find':
0_0_1523687_22833.c:10: error: `m' undeclared (first use in this function)
0_0_1523687_22833.c:10: error: (Each undeclared identifier is reported only once
0_0_1523687_22833.c:10: error: for each function it appears in.)
0_0_1523687_22833.c:12: error: `p' undeclared (first use in this function)
0_0_1523687_22833.c:12: error: `k' undeclared (first use in this function)
0_0_1523687_22833.c:12: error: `sum' undeclared (first use in this function)
0_0_1523687_22833.c:20: error: `t' undeclared (first use in this function)
0_0_1523687_22833.c: In function `main':
0_0_1523687_22833.c:33: error: `new' undeclared (first use in this function)
0_0_1523687_22833.c:33: error: syntax error before "tree"