HDOJ 4515 小Q系列故事——世界上最遥远的距离

 1 #include<stdlib.h>
 2 #include<stdio.h>
 3 int year,month,day;
 4 int m[2][13]={0,31,28,31,30,31,30,31,31,30,31,30,31,
 5               0,31,29,31,30,31,30,31,31,30,31,30,31};
 6 int y[660]={0};
 7 bool isrun(int year)
 8 {
 9     if((year%4==0&&year%100!=0)||year%400==0)
10         return 1;
11     return 0;
12 }
13 void fm(int len)
14 {
15     if(len<283){
16         int i=4;
17         if(len>7) len-=7;
18         else {
19             i=3;
20             len+=24;
21         }
22         while(len>m[0][i]){
23             len-=m[0][i];
24             i++;
25         }
26         year=2013;
27         month=i;
28         day=len;
29     }else{
30         int i=2013-1700;
31         len-=283;
32         i++;
33         i+=1700;
34         for(;isrun(i)?len>=366:len>=365;len-=365+isrun(i),i++);
35             year=i;
36         for(i=1;len&&len>=m[isrun(year)][i];len-=m[isrun(year)][i],i++);
37         
38            day=len+1;
39         month=i;
40     }
41     printf("%d/%02d/%02d ",year,month,day);
42 }
43 void fw(int len)
44 {
45     if(len<83){
46         int i=3;
47         if(len>24){
48             len-=24;
49             i--;
50             while(len>m[0][i]){
51                 len-=m[0][i];
52                 i--;
53             }
54             day=m[0][i]-len;
55         }
56         else day=24-len;
57         year=2013;
58         month=i;
59     }else{
60         int i=2013-1700;
61         len-=82;
62         i--;
63         while(len>y[i]){
64             len-=y[i];
65             i--;
66         }
67         year=i+1700;
68         i=12;
69         while(len>m[isrun(year)][i]){
70             len-=m[isrun(year)][i];
71             i--;
72         }
73         day=m[isrun(year)][i]-len+1;
74         month=i;
75     }
76     printf("%d/%02d/%02d\n",year,month,day);
77 }
78 int main()
79 {
80     int i,N,len;
81     for(i=0;i<650;i++)
82         if(isrun(i+1700))
83             y[i]=366;
84         else 
85             y[i]=365;
86             
87     scanf("%d",&N);
88     while(N--)
89     {    
90         scanf("%d",&len);
91         fm(len);
92         fw(len);        
93     }
94     //system("pause"); 
95     return 0;
96 }