HDU4515+计算日期

模拟！

  1 /*
  2 计算过了D天后的日期
  3 之前D天的日期
  4 */
  5 #include<stdio.h>
  6 int judge_year( int year ){
  7     if( (year%4==0&&year%100!=0)||(year%400==0) )
  8         return true;
  9     else
 10         return false;
 11 }
 12 int judge_month( int mon ){
 13     if( mon==1||mon==3||mon==5||mon==7||mon==8||mon==10||mon==12 ) 
 14         return true;
 15     else
 16         return false;
 17 }
 18 int main(){
 19     int ca;
 20     //freopen("cmp.txt","w",stdout);
 21     scanf("%d",&ca);
 22     while( ca-- ){
 23         int n;
 24         scanf("%d",&n);
 25 
 26         int year,mon,day;
 27         year = 2013;
 28         mon = 3;
 29         day = 24;
 30         int sum = n;
 31         while( sum>0 ){
 32             if( judge_year(year)==true ){
 33                
 34                 //printf("sum=%d,,year = %d,mon=%d,day=%d\n",sum,year,mon,day);
 35                     if( mon==2 ){
 36                         int left = 29-day;
 37                         if( sum>left ){
 38                             sum = sum-(left+1);
 39                             mon++;
 40                             day = 1;
 41                                         }
 42                         else if( sum==left ){
 43                             sum = 0;
 44                             day = 29;
 45                                     }
 46                         else {
 47                             day += sum;
 48                             sum = 0;
 49                         }    
 50                     }
 51                     else if( judge_month( mon )==true ){
 52                         int left = 31-day;
 53                         if( sum>left ){
 54                             sum = sum-left-1;
 55                             mon++;
 56                             if( mon>12 ) {
 57                                 year++;
 58                                 mon = 1;
 59                             }
 60                             day = 1;
 61                         }
 62                         else if( sum==left ){
 63                             sum = 0;
 64                             day = 31;
 65                         }
 66                         else{
 67                             day += sum;
 68                             sum = 0;
 69                         }
 70                     }
 71                     else {
 72                         int left = 30-day;
 73                         if( sum>left ){
 74                             sum = sum-left-1;
 75                             mon++;
 76                             if( mon>12 ) {
 77                                 year++;
 78                                 mon = 1;
 79                             }
 80                             day = 1;
 81                         }
 82                         else if( sum==left ){
 83                             sum = 0;
 84                             day = 30;
 85                         }
 86                         else{
 87                             day += sum;
 88                             sum = 0;
 89                         }
 90                     }
 91                 
 92             }//闰年
 93             else{
 94                 
 95                     if( mon==2 ){
 96                         int left = 28-day;
 97                         if( sum>left ){
 98                             sum = sum-left-1;
 99                             mon++;
100                             day = 1;
101                         }
102                         else if( sum==left ){
103                             sum = 0;
104                             day = 28;
105                         }
106                         else {
107                             day += sum;
108                             sum  = 0;
109                         }    
110                     }
111                     else if( judge_month( mon )==true ){
112                         int left = 31-day;
113                         if( sum>left ){
114                             sum = sum-left-1;
115                             mon++;
116                             if( mon>12 ) {
117                                 year++;
118                                 mon = 1;
119                             }
120                             day = 1;
121                         }
122                         else if( sum==left ){
123                             sum = 0;
124                             day = 31;
125                         }
126                         else{
127                             day += sum;
128                             sum = 0;
129                         }
130                     }
131                     else {
132                         int left = 30-day;
133                         if( sum>left ){
134                             sum = sum-left-1;
135                             mon++;
136                             if( mon>12 ) {
137                                 mon = 1;
138                                 year++;
139                             }
140                             day = 1;
141                         }
142                         else if( sum==left ){
143                             sum = 0;
144                             day = 30;
145                         }
146                         else{
147                             day += sum;
148                             sum = 0;
149                         }
150                     }
151                 
152             }//不是闰年
153             if( sum<=0 ) 
154                 break;
155         }//向后D天的日期
156 
157         printf("%04d/%02d/%02d ",year,mon,day);
158         year = 2013;
159         mon = 3;
160         day = 24;
161         sum = n;
162         while( sum>0 ){
163             if( judge_year( year )==true ){
164                 if( sum>=366 ){
165                     sum-=366;
166                     year--;
167                 }
168                 else{
169                     if( mon==3 ){
170                         int left = day;
171                         if( sum>=29 ){
172                             sum-=29;
173                             mon--;
174                         }
175                         else {
176                             if( sum==left-1 ){
177                                 sum = 0;
178                                 day = 1;
179                             }
180                             else if( sum<left-1 ){
181                                 day -= sum;
182                                 sum = 0;
183                             }
184                             else {
185                                 sum -= left;
186                                 day = 29;
187                                 mon--;
188                             }
189                         }
190                     }
191                     else if( mon==5||mon==7||mon==10||mon==12 ){
192                         int left = day;
193                         if( sum>=30 ){
194                             sum-=30;
195                             mon--;
196                         }
197                         else {
198                             if( sum==left-1 ){
199                                 sum = 0;
200                                 day = 1;
201                             }
202                             else if( sum<left-1 ){
203                                 day -= sum;
204                                 sum = 0;
205                             }
206                             else {
207                                 sum -= left;
208                                 day = 30;
209                                 mon--;
210                             }
211                         }
212                     }
213                     else {
214                         int left = day;
215                         if( sum>=31 ){
216                             sum-=31;
217                             mon--;
218                             if( mon<=0 ){
219                                 year--;
220                                 mon=12;
221                             }
222                         }
223                         else {
224                             if( sum==left-1 ){
225                                 sum = 0;
226                                 day = 1;
227                             }
228                             else if( sum<left-1 ){
229                                 day -= sum;
230                                 sum = 0;
231                             }
232                             else {
233                                 sum -= left;
234                                 day = 31;
235                                 mon--;
236                                 if( mon==0 ){
237                                     mon = 12;
238                                     year--;
239                                 }
240                             }
241                         }
242                     }
243                 }
244             }//闰年
245             else {
246                 if( sum>=365 ){
247                     sum-=365;
248                     year--;
249                 }
250                 else{
251                     if( mon==3 ){
252                         int left = day;
253                         if( sum>=28 ){
254                             sum-=28;
255                             mon--;
256                         }
257                         else {
258                             if( sum==left-1 ){
259                                 sum = 0;
260                                 day = 1;
261                             }
262                             else if( sum<left-1 ){
263                                 day -= sum;
264                                 sum = 0;
265                             }
266                             else {
267                                 sum -= left;
268                                 day = 28;
269                                 mon--;
270                             }
271                         }
272                     }
273                     else if( mon==5||mon==7||mon==10||mon==12 ){
274                         int left = day;
275                         if( sum>=30 ){
276                             sum-=30;
277                             mon--;
278                         }
279                         else {
280                             if( sum==left-1 ){
281                                 sum = 0;
282                                 day = 1;
283                             }
284                             else if( sum<left-1 ){
285                                 day -= sum;
286                                 sum = 0;
287                             }
288                             else {
289                                 sum -= left;
290                                 day = 30;
291                                 mon--;
292                             }
293                         }
294                     }
295                     else {
296                         int left = day;
297                         if( sum>=31 ){
298                             sum-=31;
299                             mon--;
300                             if( mon==0 ){
301                                 year--;
302                                 mon=12;
303                             }
304                         }
305                         else {
306                             if( sum==left-1 ){
307                                 sum = 0;
308                                 day = 1;
309                             }
310                             else if( sum<left-1 ){
311                                 day -= sum;
312                                 sum = 0;
313                             }
314                             else {
315                                 sum -= left;
316                                 day = 31;
317                                 mon--;
318                                 if( mon==0 ){
319                                     mon = 12;
320                                     year--;
321                                 }
322                             }
323                         }
324                     }
325                 }
326             }//不是闰年
327             if( sum<=0 ) break;
328         }
329 
330         printf("%04d/%02d/%02d\n",year,mon,day);
331     }
332     return 0;
333 }
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posted @ 2013-07-09 12:10  xxx0624  阅读(299)  评论(0)  编辑  收藏  举报