第1题:角色吻合度 60% #include <bits/stdc++.h> #include <iomanip> #define LL long long using namespace std; const int maxn = 1e7 + 5; const double eps = 1e-4; struct ST { LL login, logout; LL online; int roleid; }; bool cmp(ST a, ST b) { return a.roleid < b.roleid; } ST newRole[maxn]; ST rol...