int myquery(int a, int b, int c, int d) { return query(min(a,b),max(a,b),min(c,d),max(c,d)); } vector<int> ord; void precalc(int limle[1005]) { for(int i=0;i<ord.size();i++) { int st=0,dr=i,ans=i; while(st<=dr) { int mij=(st+dr)/2; if(myquery(ord[mij],ord[i],ord[i],ord[i])) { ans=mij; dr=mij-1; } else st=mij+1; } limle[ord[i]] = ord[ans]; } } int tole[1005],tori[1005]; int limle[1005],limri[1005]; int calc(int le, int ri) { if(le>ri) return -1; if(le==ri) { tole[le]=tori[le]=-1; return le; } for(int root=le;root<=ri;root++) { if(limle[root]<=le && limri[root]>=ri) { tole[root] = calc(le,root-1); tori[root] = calc(root+1,ri); return root; } } return -5; } int solve(int N, int* Left, int* Right) { ord.clear(); for(int i=0;i<N;i++) ord.push_back(i); precalc(limle); reverse(ord.begin(),ord.end()); precalc(limri); //for(int i=0;i<N;i++) cout<<i<<" "<<limle[i]<<" "<<limri[i]<<" lim\n"; for(int i=0;i<N;i++) tole[i]=tori[i]=-1; int root = calc(0,N-1); for(int i=0;i<N;i++) { Left[i]=tole[i]; Right[i]=tori[i]; } return root; }

popa.cpp: In function 'int myquery(int, int, int, int)':
popa.cpp:3:18: error: 'min' was not declared in this scope
    3 |     return query(min(a,b),max(a,b),min(c,d),max(c,d));
      |                  ^~~
popa.cpp:3:27: error: 'max' was not declared in this scope
    3 |     return query(min(a,b),max(a,b),min(c,d),max(c,d));
      |                           ^~~
popa.cpp:3:12: error: 'query' was not declared in this scope; did you mean 'myquery'?
    3 |     return query(min(a,b),max(a,b),min(c,d),max(c,d));
      |            ^~~~~
      |            myquery
popa.cpp: At global scope:
popa.cpp:5:1: error: 'vector' does not name a type
    5 | vector<int> ord;
      | ^~~~~~
popa.cpp: In function 'void precalc(int*)':
popa.cpp:8:19: error: 'ord' was not declared in this scope
    8 |     for(int i=0;i<ord.size();i++)
      |                   ^~~
popa.cpp: In function 'int solve(int, int*, int*)':
popa.cpp:49:5: error: 'ord' was not declared in this scope
   49 |     ord.clear();
      |     ^~~
popa.cpp:53:5: error: 'reverse' was not declared in this scope
   53 |     reverse(ord.begin(),ord.end());
      |     ^~~~~~~