View Compilation Error

0_0_36589441_9257.cpp: In function 'void print(int)':
0_0_36589441_9257.cpp:13:15: error: 'UP' was not declared in this scope
   int lim=min(UP-1,x*(x-1)/2);
               ^
0_0_36589441_9257.cpp:13:20: error: 'x' was not declared in this scope
   int lim=min(UP-1,x*(x-1)/2);
                    ^