AOJ 3.Redraiment的遭遇

打表
要注意不到7月前和8月后的情况
同时注意“0号”等特殊情况
 1 #include <cstdio>
 2 #include <algorithm>
 3 #include <cstring>
 4 using namespace std;
 5 
 6 #define REP(n) for(int o=0;o<n;o++)
 7 
 8 //bool first = true;
 9 int main() {
10     bool a[2][32];//是否停电
11     memset(a, 0, sizeof(a));
12 
13     //停电日期打表
14     int i = 1;
15     bool *it = &a[0][1];
16     bool first_8 = true;
17     while (1) {
18         if (it > &a[1][31])
19             break;
20         if (it >= &a[1][0] && first_8 == true) {
21             first_8 = false;
22             it++;
23         }
24         *it = true;
25         it += ++i;
26     }
27 
28     //日历输出调试
29     /**
30     for (int i = 0; i < 2; i++) {
31         printf("%d
", i + 7);
32         for (int j = 1; j < 32; j++) {
33             printf("%3d(%d) ", j, a[i][j]);
34             if (j % 7 == 0)printf("
");
35         }
36         printf("
");
37     }
38     /**/
39 
40     //输出
41     int m, d;
42     scanf("%d/%d", &m, &d);
43     while (m != 0 && d != 0) {
44         /*
45         if (!first)
46             printf("
");
47         first = false;
48         */
49 
50         //月份不在7、8月
51         if (m < 7) {
52             printf("10
");
53             scanf("%d/%d", &m, &d);
54             continue;
55         }
56         if (m > 8) {
57             printf("0
");
58             scanf("%d/%d", &m, &d);
59             continue;
60         }
61 
62         int cnt = 0;
63         for (bool *i = &a[m - 7][d]; i <= &a[1][31]; i++) {
64             if (i == &a[1][0])
65                 continue;
66             if (*i == true)
67                 cnt++;
68         }
69         printf("%d
", cnt);
70         scanf("%d/%d", &m, &d);
71     }
72     
73     return 0;
74 }