View Compilation Error

0_0_36243808_7243.cpp: In function 'int spfa()':
0_0_36243808_7243.cpp:25:20: error: lvalue required as increment operand
         int t = q[h++];
                    ^
0_0_36243808_7243.cpp:26:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
         if(h == N) hh = 0;
                 ^