Language: C++

#define _CRT_SECURE_NO_WARNINGS
#include <cstdio>
#include <algorithm>
#include <vector>
  
using namespace std;
  
class Node {
public:
    int location;
    int l, r;
};
  
class Point {
public:
    int id, x, y;
    Point(int id, int x, int y) :id(id), x(x), y(y) {}
    bool operator<(const Point&p) const {
        return id < p.id;
    }
  
    void print() {
        printf("%d\n", id);
    }
};
  
static const int MAX = 500000;
static const int NIL = -1;
  
int N;
Point P[MAX];
Node T[MAX];
int np;
Point ans[MAX];
int NANS;
  
bool lessX(const Point &p1, const Point &p2) {
    return p1.x < p2.x;
}
  
bool lessY(const Point &p1, const Point &p2) {
    return p1.y < p2.y;
}
  
int makeKDTree(int l, int r, int depth) {
    if (l == r) {
        return NIL;
    }
    int mid = (l + r) / 2;
    int t = np++;
    if (depth % 2 == 0) {
        sort(P + l, P + r, lessX);
    }
    else {
        sort(P + l, P + r, lessY);
    }
    T[t].location = mid;
    T[t].l = makeKDTree(l, mid, depth + 1);
    T[t].r = makeKDTree(mid + 1, r, depth + 1);
  
    return t;
}
  
void find(int v, int sx, int tx, int sy, int ty, int depth) {
    int x = P[T[v].location].x;
    int y = P[T[v].location].y;
  
    if (sx <= x && x <= tx && sy <= y && y <= ty) {
        ans[NANS++] = P[T[v].location];
    }
  
    if (depth % 2 == 0) {
        if (T[v].l != NIL) {
            if (sx <= x) find(T[v].l, sx, tx, sy, ty, depth + 1);
        }
        if (T[v].r != NIL) {
            if (x <= tx) find(T[v].r, sx, tx, sy, ty, depth + 1);
        }
    }
    else {
        if (T[v].l != NIL) {
            if (sy <= y) find(T[v].l, sx, tx, sy, ty, depth + 1);
        }
        if (T[v].r != NIL) {
            if (y <= ty) find(T[v].r, sx, tx, sy, ty, depth + 1);
        }
    }
}
  
int main() {
    int x, y;
    scanf("%d", &N);
    for (int i = 0; i < N; i++) {
        scanf("%d %d", &x, &y);
        P[i] = Point(i, x, y);
        T[i].l = T[i].r = NIL;
    }
  
    np = 0;
  
    int root = makeKDTree(0, N, 0);
  
    int q;
    scanf("%d", &q);
    int sx, tx, sy, ty;
    for (int i = 0; i < q; i++) {
        scanf("%d %d %d %d", &sx, &tx, &sy, &ty);
        NANS = 0;
        find(root, sx, tx, sy, ty, 0);
        sort(ans, ans + NANS);
        for (int j = 0; j < NANS; j++) {
            ans[j].print();
        }
        printf("\n");
    }
  
    return 0;
}


Compiler output:
a.cc:31:12: error: no matching function for call to 'Point::Point()'
   31 | Point P[MAX];
      |            ^
a.cc:17:5: note: candidate: 'Point::Point(int, int, int)'
   17 |     Point(int id, int x, int y) :id(id), x(x), y(y) {}
      |     ^~~~~
a.cc:17:5: note:   candidate expects 3 arguments, 0 provided
a.cc:14:7: note: candidate: 'constexpr Point::Point(const Point&)'
   14 | class Point {
      |       ^~~~~
a.cc:14:7: note:   candidate expects 1 argument, 0 provided
a.cc:14:7: note: candidate: 'constexpr Point::Point(Point&&)'
a.cc:14:7: note:   candidate expects 1 argument, 0 provided
a.cc:34:14: error: no matching function for call to 'Point::Point()'
   34 | Point ans[MAX];
      |              ^
a.cc:17:5: note: candidate: 'Point::Point(int, int, int)'
   17 |     Point(int id, int x, int y) :id(id), x(x), y(y) {}
      |     ^~~~~
a.cc:17:5: note:   candidate expects 3 arguments, 0 provided
a.cc:14:7: note: candidate: 'constexpr Point::Point(const Point&)'
   14 | class Point {
      |       ^~~~~
a.cc:14:7: note:   candidate expects 1 argument, 0 provided
a.cc:14:7: note: candidate: 'constexpr Point::Point(Point&&)'
a.cc:14:7: note:   candidate expects 1 argument, 0 provided