View Compilation Error

0_0_26799414_12934.cpp: In function 'int main()':
0_0_26799414_12934.cpp:79:38: error: no matching function for call to 'Edge::Edge(int&, int&, int&)'
             E[u].push_back(Edge(v,a,b));
                                      ^
0_0_26799414_12934.cpp:79:38: note: candidates are:
0_0_26799414_12934.cpp:22:8: note: Edge::Edge()
 struct Edge
        ^
0_0_26799414_12934.cpp:22:8: note:   candidate expects 0 arguments, 3 provided
0_0_26799414_12934.cpp:22:8: note: constexpr Edge::Edge(const Edge&)
0_0_26799414_12934.cpp:22:8: note:   candidate expects 1 argument, 3 provided
0_0_26799414_12934.cpp:22:8: note: constexpr Edge::Edge(Edge&&)
0_0_26799414_12934.cpp:22:8: note:   candidate expects 1 argument, 3 provided