CCF2016.9.2火车购票

 1 #include <iostream>
 2 using namespace std;
 3 int main()
 4 {
 5     int n, a[101],p[20][5];
 6     cin >> n;
 7     for (int i = 0; i < n; i++)cin >> a[i];
 8     for (int i = 0; i < 20; i++)for (int j = 0; j < 5; j++)p[i][j] = 5 * i + j + 1;
 9     int k = 0;
10     int i = 0;
11     while (k < n) {
12          int j = 0;
13             while (j < 5 && p[i][j] == 0)j++;
14             if (i >= 20&&k<n){                          //没有连坐了
15                 for (int x = 0; x < a[k]; x++)
16                   for (int i = 0; i < 20; i++)
17                       for (int j = 0; j < 5; j++) {
18                           if (p[i][j] != 0) {
19                               cout << p[i][j] << " ";
20                               p[i][j] = 0;
21                           }
22                       }
23                 k++;
24             }
25             if ((a[k] + j) <= 5) {
26                 int c = a[k] + j;
27                 for (; j < c; j++) {
28                     cout << p[i][j] << " ";
29                     p[i][j] = 0;
30                 }
31                 cout << endl;
32                 k++;
33                 i = 0;
34             }
35             else i++;
36         
37     }
38         return 0;
39 }