View Compilation Error

0_0_2221875_19251.cpp: In function `int max_sum(int*, int, int&, int&)':
0_0_2221875_19251.cpp:26: error: name lookup of `i' changed for new ISO `for' scoping
0_0_2221875_19251.cpp:15: error:   using obsolete binding at `i'
0_0_2221875_19251.cpp: At global scope:
0_0_2221875_19251.cpp:30: error: expected unqualified-id before "return"
0_0_2221875_19251.cpp:30: error: expected `,' or `;' before "return"
0_0_2221875_19251.cpp:31: error: expected declaration before '}' token