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Description "题目链接" Solution 可以根据条件构造出一个矩阵, 1 3 9 27 81... 2 6 18.... 4 12 36... 这个矩阵满足$G[i][1]=G[i 1][1] 2(1 include include define N 100010 using nam 阅读全文
posted @ 2018-04-13 21:04
void_f
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摘要:
Description "题目链接" Solution 这题跟数列的中位数有关, 具体证明见刘汝佳的蓝皮书里 Code c++ include include include define N 1000010 define ll long long using namespace std; int 阅读全文
posted @ 2018-04-13 19:29
void_f
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