import sys import math sys.setrecursionlimit(300000) def solve(): input = sys.stdin.readline n, m = map(int, input().split()) cons = [] for _ in range(m): l, r, x, y, k = map(int, input().split()) cons.append((l, r, x, y, k)) # 按左端点排序,左相同右降序(保证父区间在前) cons.sort(key=lambda x: (x[0], -x[1])) # 建树:每个区间的...