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1011:问题描述最后一行[l,r] [1,n]中少了一个符号,已修改。More...

Contest Clarifications

Problem 1011 : 题面是不是有问题
题面是不是有问题
void add (int x, int t ){
for (int i = x; i != 0; 1 -= i & (-i))
a[i] += 1;
}
这代码是什么鬼啊,i一直没变好不好,循环根本跑不完。

无限+1s?
STYXHELIX at 2016-10-04 13:22:15

 

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