View Compilation Error

0_0_33348633_8550.cpp: In function 'int LIS(std::vector<int>&)':
0_0_33348633_8550.cpp:50:26: error: 'cnt' was not declared in this scope
   if(tmp[len] < v) tmp[++cnt] = v;
                          ^
0_0_33348633_8550.cpp:51:34: error: 'cnt' was not declared in this scope
   else *lower_bound(tmp+1, tmp+1+cnt, v) = v;
                                  ^