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View Compilation Error

0_0_38514212_13019.cpp: In function 'void dfs(long long int, long long int)':
0_0_38514212_13019.cpp:34:14: error: expected unqualified-id before '[' token
     for(auto [y, w] : e[x])
              ^
0_0_38514212_13019.cpp:34:14: error: expected ';' before '[' token
0_0_38514212_13019.cpp:34:15: error: 'y' was not declared in this scope
     for(auto [y, w] : e[x])
               ^
0_0_38514212_13019.cpp:34:18: error: 'w' was not declared in this scope
     for(auto [y, w] : e[x])
                  ^
0_0_38514212_13019.cpp: In lambda function:
0_0_38514212_13019.cpp:34:21: error: expected '{' before ':' token
     for(auto [y, w] : e[x])
                     ^
0_0_38514212_13019.cpp: In function 'void dfs(long long int, long long int)':
0_0_38514212_13019.cpp:34:21: error: expected ';' before ':' token
0_0_38514212_13019.cpp:34:21: error: expected primary-expression before ':' token
0_0_38514212_13019.cpp:34:21: error: expected ')' before ':' token
0_0_38514212_13019.cpp:34:21: error: expected primary-expression before ':' token
0_0_38514212_13019.cpp: In function 'int main()':
0_0_38514212_13019.cpp:86:18: error: expected unqualified-id before '[' token
         for(auto [w, y] : leaf)
                  ^
0_0_38514212_13019.cpp:86:18: error: expected ';' before '[' token
0_0_38514212_13019.cpp:86:19: error: 'w' was not declared in this scope
         for(auto [w, y] : leaf)
                   ^
0_0_38514212_13019.cpp:86:22: error: 'y' was not declared in this scope
         for(auto [w, y] : leaf)
                      ^
0_0_38514212_13019.cpp: In lambda function:
0_0_38514212_13019.cpp:86:25: error: expected '{' before ':' token
         for(auto [w, y] : leaf)
                         ^
0_0_38514212_13019.cpp: In function 'int main()':
0_0_38514212_13019.cpp:86:25: error: expected ';' before ':' token
0_0_38514212_13019.cpp:86:25: error: expected primary-expression before ':' token
0_0_38514212_13019.cpp:86:25: error: expected ')' before ':' token
0_0_38514212_13019.cpp:86:25: error: expected primary-expression before ':' token


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