View Compilation Error

0_0_39062247_28185.cpp: In constructor 'node::node(ll, ll, int, int)':
0_0_39062247_28185.cpp:13:45: error: cannot convert '<brace-enclosed initializer list>' to 'll' {aka 'long long int'} in initialization
   13 |     node(ll x0=0,ll x1=0,int c_=0,int i_=0):x(
      |                                             ^~
   14 |     {
      |     ~                                        
   15 |         x0,x1
      |         ~~~~~                                
   16 |     }),c(c_),i(i_) {}
      |     ~~