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0_0_15554695_3203.cpp: In function 'void backward_traverse(int, int, int, graph&, std::vector<int>&, std::vector<std::vector<int> >&, std::vector<int>&, std::vector<std::vector<int> >&, std::vector<int>&, std::vector<int>&, weight&, bool&)':
0_0_15554695_3203.cpp:106:22: error: expected primary-expression at end of input
     backward_traverse%
                      ^
0_0_15554695_3203.cpp:106:22: error: expected '}' at end of input
0_0_15554695_3203.cpp:106:22: error: expected '}' at end of input