摘要:
细节比较多,好多地方容易写挂. code: #include <cstdio> #include <map> #include <string> #include <algorithm> #define N 200005 #define ll long long #define MAXN 11000 阅读全文
摘要:
code: #include <cstdio> #include <algorithm> #define ll long long #define M 1000006 #define N 10000002 #define mod 1000000007 #define setIO(s) freopen 阅读全文