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摘要: "题目链接" 题意 给出n个数,问在这n个数里面,有多少组bi(1 using namespace std; const int N = 1e5 + 10; const int INF = 0x3f3f3f3f; const int MOD = 1e9 + 7; typedef long long 阅读全文
posted @ 2017-07-30 21:36 Shadowdsp 阅读(238) 评论(0) 推荐(0)