2015年ACM/ICPC沈阳赛区 I题(二维树状数组)

题目链接:https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=5258 题意:给你n(n<=1e5)个正整数二元组<a,b> (1<=a,b<=1e5) 给你m(m<=1e5)个正整数三元组<c,d,e>(1<=c,d<=1e3  1<=e<=1
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