View Compilation Error

0_0_37848746_362.cpp: In function 'void solve()':
0_0_37848746_362.cpp:49:14: error: 'w' was not declared in this scope
     eCnt = 0;w 
              ^
0_0_37848746_362.cpp:52:38: error: 'm' was not declared in this scope
         for (int j = i + 1; j <= i + m && j <= n; ++j) {
                                      ^