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View Compilation Error

0_0_38921533_11365.cpp: In function 'void build(ll, ll, ll)':
0_0_38921533_11365.cpp:20:16: error: expected initializer before 'l'
   20 |         ll mid l + r >> 1;
      |                ^
0_0_38921533_11365.cpp:21:21: error: 'mid' was not declared in this scope
   21 |         xds[x]={l,r,mid,0};
      |                     ^~~
0_0_38921533_11365.cpp:21:26: error: no match for 'operator=' (operand types are 'node' and '<brace-enclosed initializer list>')
   21 |         xds[x]={l,r,mid,0};
      |                          ^
0_0_38921533_11365.cpp:15:8: note: candidate: 'constexpr node& node::operator=(const node&)'
   15 | struct node{
      |        ^~~~
0_0_38921533_11365.cpp:15:8: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const node&'
0_0_38921533_11365.cpp:15:8: note: candidate: 'constexpr node& node::operator=(node&&)'
0_0_38921533_11365.cpp:15:8: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'node&&'
0_0_38921533_11365.cpp:27:14: error: too few arguments to function 'void build(ll, ll, ll)'
   27 |         build()
      |         ~~~~~^~
0_0_38921533_11365.cpp:19:6: note: declared here
   19 | void build(ll l,ll r,ll x){
      |      ^~~~~
0_0_38921533_11365.cpp: In function 'void solve()':
0_0_38921533_11365.cpp:39:19: error: 'yx' was not declared in this scope; did you mean 'yv'?
   39 |         sort(yv+1,yx+1+n);
      |                   ^~
      |                   yv
0_0_38921533_11365.cpp:40:23: error: invalid conversion from 'long long int*' to 'll' {aka 'long long int'} [-fpermissive]
   40 |         ll cx = unique(xv+1,xv+1+n),cy = unique(yv+1,yv+1+n);
      |                 ~~~~~~^~~~~~~~~~~~~
      |                       |
      |                       long long int*
0_0_38921533_11365.cpp:40:48: error: invalid conversion from 'long long int*' to 'll' {aka 'long long int'} [-fpermissive]
   40 |         ll cx = unique(xv+1,xv+1+n),cy = unique(yv+1,yv+1+n);
      |                                          ~~~~~~^~~~~~~~~~~~~
      |                                                |
      |                                                long long int*


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