摘要:
写份DIV2的完整题解A判断下HQ9有没有出现过 1 #include 2 #include 3 #include 4 #include 5 #include 6 #include 7 #include 8 #include 9 #include10 using namespace std;11 #define N 11212 #define LL long long13 #define INF 0xfffffff14 const double eps = 1e-8;15 const double pi = acos(-1.0);16 const double inf = ~0u>> 阅读全文