View Compilation Error

0_0_39578898_1655.cpp: In function 'void dfs(int, int)':
0_0_39578898_1655.cpp:168:22: error: invalid types 'long long int[int]' for array subscript
  168 |                 dp[u][0] = t;
      |                      ^
0_0_39578898_1655.cpp:174:22: error: invalid types 'long long int[int]' for array subscript
  174 |                 dp[u][1] = t;
      |                      ^
0_0_39578898_1655.cpp: In function 'void solve()':
0_0_39578898_1655.cpp:191:20: error: invalid types 'long long int[int]' for array subscript
  191 |         ans = dp[1][0] * 2 % mod;
      |                    ^