View Compilation Error

0_0_10314564_786.cpp:5: error: expected init-declarator before "int"
0_0_10314564_786.cpp:5: error: expected `,' or `;' before "int"
0_0_10314564_786.cpp: In function `int find(int)':
0_0_10314564_786.cpp:7: error: `tree' undeclared (first use this function)
0_0_10314564_786.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10314564_786.cpp: In function `int main()':
0_0_10314564_786.cpp:15: error: `tree' undeclared (first use this function)
0_0_10314564_786.cpp:20: error: invalid types `<unknown type>[int]' for array subscript
0_0_10314564_786.cpp:27: error: invalid types `<unknown type>[int]' for array subscript
0_0_10314564_786.cpp:27: error: invalid types `<unknown type>[int]' for array subscript
0_0_10314564_786.cpp:28: error: invalid types `<unknown type>[int]' for array subscript
0_0_10314564_786.cpp:28: error: invalid types `<unknown type>[int]' for array subscript