View Compilation Error

0_0_2153744_5899.cpp:6: error: `MaxK' was not declared in this scope
0_0_2153744_5899.cpp: In function `void maxsequence(int)':
0_0_2153744_5899.cpp:10: error: `a' undeclared (first use this function)
0_0_2153744_5899.cpp:10: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2153744_5899.cpp: In function `int main()':
0_0_2153744_5899.cpp:43: error: invalid conversion from `int*' to `int'
0_0_2153744_5899.cpp:7: error: too many arguments to function `void maxsequence(int)'
0_0_2153744_5899.cpp:43: error: at this point in file