本文共 938 字，大约阅读时间需要 3 分钟。
感觉又学到了。。。
1 #include 2 #include 3 #include 4 #include 5 #include 6 #include 7 #include 8 #include 9 #include 10 using namespace std;11 12 int main(){13 static vector m1[100000];14 15 int n, m;16 cin >> n >> m;17 for (int i = 0; i < n; i++) {18 int t1, t2;19 cin >> t1 >> t2;20 m1[t1].push_back(t2);21 m1[t2].push_back(t1);22 }23 24 for (int i = 0; i < m; i++) {25 int num;26 cin >> num;27 int list[1001];28 for (int j = 0; j < num; j++) {29 cin >> list[j];30 }31 bool f = 0;32 for (int j = 0; j < num; j++) {33 for (int k = j; k < num; k++) {34 if (find(m1[list[j]].begin(), m1[list[j]].end(), list[k]) != m1[list[j]].end()) {35 f = 1;36 }37 }38 }39 if (f == 0) {40 cout << "Yes" << endl;41 }42 else {43 cout << "No" << endl;44 }45 }46 47 system("pause");48 };
转载于:https://www.cnblogs.com/wsggb123/p/10225999.html