0_0_6554562_6324.cpp: In function `int main()': 0_0_6554562_6324.cpp:60: error: no match for 'operator-' in 'dp[(i - 1)][q[1]] - p[(i - 1)][q[1]]' 0_0_6554562_6324.cpp:77: error: no match for 'operator+' in 'dp[(i - 1)][q[1]] + p[(i - 1)][q[1]]'