#include <iostream> #include <algorithm> using namespace std; int main() { int M, N; cin >> M >> N; // 防御系统 M 个 int def[1005]; for (int i = 0; i < M; i++) { cin >> def[i]; } // 攻击系统 N 个 int atk[1005]; for (int i = 0; i < N; i++) { cin >> atk[i]; } // 从小到大排序 sort(def, def + M); sort(atk, atk + N); int d = 0, a = 0; while (d < M && a < N) { if (atk[a] > def[d]) { d++; a++; } else { a++; } } int ans = 0; // 必须全部破防才有伤害 if (d == M) { for (int i = a; i < N; i++) { ans += atk[i]; } } cout << ans << endl; return 0; }