View Compilation Error

0_0_30858330_7622.cpp: In function 'void up(int, int)':
0_0_30858330_7622.cpp:19:22: error: expected unqualified-id before '=' token
   int v = e[o].v; ll = e[o].w;
                      ^
0_0_30858330_7622.cpp:21:22: error: 'w' was not declared in this scope
    g[a[u] + a[v]] += w * vis; 
                      ^
0_0_30858330_7622.cpp:23:18: error: 'w' was not declared in this scope
    f[v][a[u]] += w * vis;
                  ^