View Compilation Error

0_0_30446554_3674.cpp: In function 'void Find(int&, int&)':
0_0_30446554_3674.cpp:39:38: error: 'w' was not declared in this scope
         if(flag1 && Count == lenth - w + 1) ans=max(ans,s[j].len+s[i].len);
                                      ^
0_0_30446554_3674.cpp:41:38: error: 'w' was not declared in this scope
         if(flag2 && Count == lenth - w + 1) ans=max(ans,s[j].len+s[i].len);
                                      ^