View Compilation Error

0_0_25592199_8535.cpp: In function 'int main()':
0_0_25592199_8535.cpp:56:30: error: expected unqualified-id before ':' token
                     for(auto :vv[k]){
                              ^
0_0_25592199_8535.cpp:57:41: error: 'l' was not declared in this scope
                         dp[now^1][j][k][l] = 0;
                                         ^