摘要:
1 #include 2 #include 3 #include 4 #include 5 #include 6 #define ll long long 7 #define N 300005 8 using namespace std; 9 const int ni = 3; 10 const int p = 1004535809; 11 ll pw(ll x,int y) ... 阅读全文
posted @ 2017-02-22 17:00
SD_le
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