foo.cpp: In function 'int fp(int, int)':
foo.cpp:34:24: error: invalid operands of types 'int' and 'int [10]' to binary 'operator-'
 if( (increase==0?(step-list+1):(list+1))>=(increase==0?N:M) )//????? 
                        ^
foo.cpp:41:11: error: invalid conversion from 'int*' to 'int' [-fpermissive]
 new_stitus+=list+increase;
           ^