1072 开学寄语

题目链接：https://pintia.cn/problem-sets/994805260223102976/problems/994805263964422144

题解：

 1 #include <iostream>
 2 #include<string>
 3 using namespace std;
 4 
 5 int main() {
 6     int n, m;
 7     cin >> n >> m;
 8     int sum_row = 0, sum = 0;
 9     string *need_find = new string[m];
10     for (int i = 0; i < m; i++)
11         cin >> need_find[i];
12     for (int i = 0; i < n; i++) {
13         string name;
14         int num;
15         cin >> name >> num;
16         string *flag_find = new string[num];
17         for (int i = 0; i < num; i++)
18             cin >> flag_find[i];
19         bool flag = false;
20         string *ans = new string[num];
21         int k = 0;
22         for (int i = 0; i < num; i++) {
23             for (int j = 0; j < m; j++) {
24                 if (flag_find[i] == need_find[j]) {
25                     flag = true;
26                     ans[k++] = flag_find[i];
27                     sum++;
28                 }
29             }
30         }
31         if (flag) {
32             cout << name << ":";
33             sum_row++;
34             for (int i = 0; i < k; i++) {
35                 cout << " " << ans[i];//此处格式的控制容易错（行末不得有多余空格）
36             }
37             cout << endl;
38         }
39     }
40     cout << sum_row << " " << sum << endl;
41     return 0;
42 }