View Compilation Error

0_0_26057444_20107.cpp: In function 'int main()':
0_0_26057444_20107.cpp:54:29: error: no matching function for call to 'node::node(int, int, int)'
             tr[i]=node(0,0,0);
                             ^
0_0_26057444_20107.cpp:54:29: note: candidates are:
0_0_26057444_20107.cpp:10:8: note: node::node()
 struct node{
        ^
0_0_26057444_20107.cpp:10:8: note:   candidate expects 0 arguments, 3 provided
0_0_26057444_20107.cpp:10:8: note: constexpr node::node(const node&)
0_0_26057444_20107.cpp:10:8: note:   candidate expects 1 argument, 3 provided
0_0_26057444_20107.cpp:10:8: note: constexpr node::node(node&&)
0_0_26057444_20107.cpp:10:8: note:   candidate expects 1 argument, 3 provided