摘要: #include #include #include #include using namespace std; #define maxn 100010 #define LL long long #define mod 19260817 int f[maxn] ; int sz[maxn]; LL sum[maxn],tag[maxn],sontag[maxn]; int main() ... 阅读全文
posted @ 2017-11-18 00:23 MeowMeowMeow 阅读(278) 评论(1) 推荐(0) 编辑