파이썬 백준 10000 원 영역
import sys input = sys.stdin.readline sys.setrecursionlimit(10**8) from bisect import bisect_left n = int(input()) l = [] for i in range(n) : x, r = map(int, input().split()) l.append([x - r, x + r]) l.sort(key = lambda x : (x[0], -x[1])) count = 0 def check(big, small) : global count if big[1] == small[1] : count = count + 1 return nextidx = bisect_left(l, [small[1], -1000000000]) if nextidx ==..