View Compilation Error

0_0_23727420_26369.cpp: In function 'int ze(int, int)':
0_0_23727420_26369.cpp:10:8: error: 'j' was not declared in this scope
    for(j=m;j>=w[i];j--)
        ^
0_0_23727420_26369.cpp:10:15: error: 'w' was not declared in this scope
    for(j=m;j>=w[i];j--)
               ^