摘要:
#include #include using namespace std; #define ll long long int qmi(ll a, ll b, ll mod) { //求 a^b%p,时间复杂度 O(logn) ll flag = 1; while (b) { if (b & 1)flag = (flag*a)%mod; a = (a*a) % mod; b = ... 阅读全文
posted @ 2019-02-23 09:07
gy77
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