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 }
