View Compilation Error

0_0_37839149_26065.cpp: In function 'void solve(long long int)':
0_0_37839149_26065.cpp:78:19: error: expected unqualified-id before '[' token
         for(auto &[u, v] : e[i])
                   ^
0_0_37839149_26065.cpp:78:19: error: expected ';' before '[' token
0_0_37839149_26065.cpp:78:20: error: 'u' was not declared in this scope
         for(auto &[u, v] : e[i])
                    ^
0_0_37839149_26065.cpp:78:23: error: 'v' was not declared in this scope
         for(auto &[u, v] : e[i])
                       ^
0_0_37839149_26065.cpp: In lambda function:
0_0_37839149_26065.cpp:78:26: error: expected '{' before ':' token
         for(auto &[u, v] : e[i])
                          ^
0_0_37839149_26065.cpp: In function 'void solve(long long int)':
0_0_37839149_26065.cpp:78:26: error: expected ';' before ':' token
0_0_37839149_26065.cpp:78:26: error: expected primary-expression before ':' token
0_0_37839149_26065.cpp:78:26: error: expected ')' before ':' token
0_0_37839149_26065.cpp:78:26: error: expected primary-expression before ':' token