摘要: ```cpp #include using namespace std; typedef long long ll; const int MAXN = 2e5; const int INF = 0x3f3f3f3f; const int MOD = 1e9 + 7; int qpow(ll x, ll n) { ll res = 0; while(n) { if(n & 1) res = res 阅读全文
posted @ 2019-12-05 22:34 KisekiPurin2019 阅读(342) 评论(0) 推荐(0) 编辑