View Compilation Error

0_0_38552969_9745.cpp: In function 'int main()':
0_0_38552969_9745.cpp:62:21: error: 'MAXCOST' was not declared in this scope
         if (cost == MAXCOST) cout << "0\n"; // 墨水点不同位置数量小于等于1时 
                     ^