HDU6010 Daylight Saving Time

Posted 2020-09-06 BBBob

  1 /*
  2  HDU6010 Daylight Saving Time
  3  http://acm.hdu.edu.cn/showproblem.php?pid=6010
  4  模拟
  5  题意：算当前时间是否是夏令时
  6 
  7  */
  8 #include <cstdio>
  9 #include <algorithm>
 10 using namespace std;
 11 //#define test
 12 int yy,mm,dd,h,m,s;
 13 void read()
 14 {
 15     scanf("%d",&yy);
 16     getchar();
 17     scanf("%d",&mm);
 18     getchar();
 19     scanf("%d",&dd);
 20     getchar();
 21     scanf("%d",&h);
 22     getchar();
 23     scanf("%d",&m);
 24     getchar();
 25     scanf("%d",&s);
 26     #ifdef test
 27     printf("%d-%d-%d %d:%d:%d\n",yy,mm,dd,h,m,s);
 28 
 29     #endif
 30 }
 31 int main()
 32 {
 33     int t;
 34     //freopen("in.in","r",stdin);
 35     scanf("%d",&t);
 36     for(int l=1;l<=t;l++)
 37     {
 38         int day=0;
 39         printf("Case #%d: ",l);
 40         read();
 41         if(mm>=4 && mm<=10)
 42         {
 43             printf("PDT\n");
 44             continue;
 45         }
 46         else if(mm==1 || mm==2 || mm==12)
 47         {
 48             printf("PST\n");
 49             continue;
 50         }
 51         else if(mm==3)
 52         {
 53             day=0;
 54             day+=(yy-2007)*365;
 55             //printf("day:%d\n",day);
 56             if(yy!=2007)
 57                 day+=(yy-2008)/4+1;
 58             //printf("day:%d\n",day);
 59             if(yy==2100)
 60                 day--;
 61             day+=59;
 62             int day1=day+1;
 63             //printf("day:%d\n",day);
 64             int ss1=day1%7;
 65             int fenjie;
 66             if(ss1==0)
 67                 fenjie=8;
 68             else
 69                 fenjie=15-ss1;
 70             #ifdef test
 71             //fenjie++;
 72             printf("ss1:%d\n",ss1);
 73             printf("fenjie:%d\n",fenjie);
 74             #endif
 75             if(dd<fenjie)
 76             {
 77                 printf("PST\n");
 78                 continue;
 79             }
 80             else if(dd>fenjie)
 81             {
 82                 printf("PDT\n");
 83                 continue;
 84             }
 85             else
 86             {
 87                 if(h==2)
 88                 {
 89                     printf("Neither\n");
 90                     continue;
 91                 }
 92                 else if(h>2)
 93                 {
 94                     printf("PDT\n");
 95                     continue;
 96                 }
 97                 else
 98                 {
 99                     printf("PST\n");
100                     continue;
101                 }
102             }
103             
104         }
105         else if(mm==11)
106         {
107             day+=(yy-2007)*365;
108             if(yy!=2007)
109                 day+=(yy-2008)/4+1;
110             if(yy==2100)
111                 day--;
112             day+=304;
113             int day1=day+1;
114             int ss1=day1%7;
115             int fenjie;
116             if(ss1==0)
117                 fenjie=1;
118             else
119                 fenjie=8-ss1;
120             #ifdef test
121             //fenjie++;
122             printf("ss1:%d\n",ss1);
123             printf("fenjie:%d\n",fenjie);
124             #endif
125             if(dd<fenjie)
126             {
127                 printf("PDT\n");
128                 continue;
129             }
130             else if(dd>fenjie)
131             {
132                 printf("PST\n");
133                 continue;
134             }
135             else
136             {
137                 if(h==1)
138                 {
139                     printf("Both\n");
140                     continue;
141                 }
142                 else if(h<1)
143                 {
144                     printf("PDT\n");
145                     continue;
146                 }
147                 else
148                 {
149                     printf("PST\n");
150                     continue;
151                 }
152             }
153         }
154     }
155     
156     return 0;
157 }