HDU4515+计算日期

模拟！

 /*
 计算过了D天后的日期
 之前D天的日期
 */
 #include<stdio.h>
 int judge_year( int year ){
     if( (year%==&&year%!=)||(year%==) )
         return true;
     else
         return false;
 }
 int judge_month( int mon ){
     if( mon==||mon==||mon==||mon==||mon==||mon==||mon== )
         return true;
     else
         return false;
 }
 int main(){
     int ca;
     //freopen("cmp.txt","w",stdout);
     scanf("%d",&ca);
     while( ca-- ){
         int n;
         scanf("%d",&n);

         int year,mon,day;
         year = ;
         mon = ;
         day = ;
         int sum = n;
         while( sum> ){
             if( judge_year(year)==true ){

                 //printf("sum=%d,,year = %d,mon=%d,day=%d\n",sum,year,mon,day);
                     if( mon== ){
                         int left = -day;
                         if( sum>left ){
                             sum = sum-(left+);
                             mon++;
                             day = ;
                                         }
                         else if( sum==left ){
                             sum = ;
                             day = ;
                                     }
                         else {
                             day += sum;
                             sum = ;
                         }
                     }
                     else if( judge_month( mon )==true ){
                         int left = -day;
                         if( sum>left ){
                             sum = sum-left-;
                             mon++;
                             if( mon> ) {
                                 year++;
                                 mon = ;
                             }
                             day = ;
                         }
                         else if( sum==left ){
                             sum = ;
                             day = ;
                         }
                         else{
                             day += sum;
                             sum = ;
                         }
                     }
                     else {
                         int left = -day;
                         if( sum>left ){
                             sum = sum-left-;
                             mon++;
                             if( mon> ) {
                                 year++;
                                 mon = ;
                             }
                             day = ;
                         }
                         else if( sum==left ){
                             sum = ;
                             day = ;
                         }
                         else{
                             day += sum;
                             sum = ;
                         }
                     }

             }//闰年
             else{

                     if( mon== ){
                         int left = -day;
                         if( sum>left ){
                             sum = sum-left-;
                             mon++;
                             day = ;
                         }
                         else if( sum==left ){
                             sum = ;
                             day = ;
                         }
                         else {
                             day += sum;
                             sum  = ;
                         }
                     }
                     else if( judge_month( mon )==true ){
                         int left = -day;
                         if( sum>left ){
                             sum = sum-left-;
                             mon++;
                             if( mon> ) {
                                 year++;
                                 mon = ;
                             }
                             day = ;
                         }
                         else if( sum==left ){
                             sum = ;
                             day = ;
                         }
                         else{
                             day += sum;
                             sum = ;
                         }
                     }
                     else {
                         int left = -day;
                         if( sum>left ){
                             sum = sum-left-;
                             mon++;
                             if( mon> ) {
                                 mon = ;
                                 year++;
                             }
                             day = ;
                         }
                         else if( sum==left ){
                             sum = ;
                             day = ;
                         }
                         else{
                             day += sum;
                             sum = ;
                         }
                     }

             }//不是闰年
             if( sum<= )
                 break;
         }//向后D天的日期

         printf("%04d/%02d/%02d ",year,mon,day);
         year = ;
         mon = ;
         day = ;
         sum = n;
         while( sum> ){
             if( judge_year( year )==true ){
                 if( sum>= ){
                     sum-=;
                     year--;
                 }
                 else{
                     if( mon== ){
                         int left = day;
                         if( sum>= ){
                             sum-=;
                             mon--;
                         }
                         else {
                             if( sum==left- ){
                                 sum = ;
                                 day = ;
                             }
                             else if( sum<left- ){
                                 day -= sum;
                                 sum = ;
                             }
                             else {
                                 sum -= left;
                                 day = ;
                                 mon--;
                             }
                         }
                     }
                     else if( mon==||mon==||mon==||mon== ){
                         int left = day;
                         if( sum>= ){
                             sum-=;
                             mon--;
                         }
                         else {
                             if( sum==left- ){
                                 sum = ;
                                 day = ;
                             }
                             else if( sum<left- ){
                                 day -= sum;
                                 sum = ;
                             }
                             else {
                                 sum -= left;
                                 day = ;
                                 mon--;
                             }
                         }
                     }
                     else {
                         int left = day;
                         if( sum>= ){
                             sum-=;
                             mon--;
                             if( mon<= ){
                                 year--;
                                 mon=;
                             }
                         }
                         else {
                             if( sum==left- ){
                                 sum = ;
                                 day = ;
                             }
                             else if( sum<left- ){
                                 day -= sum;
                                 sum = ;
                             }
                             else {
                                 sum -= left;
                                 day = ;
                                 mon--;
                                 if( mon== ){
                                     mon = ;
                                     year--;
                                 }
                             }
                         }
                     }
                 }
             }//闰年
             else {
                 if( sum>= ){
                     sum-=;
                     year--;
                 }
                 else{
                     if( mon== ){
                         int left = day;
                         if( sum>= ){
                             sum-=;
                             mon--;
                         }
                         else {
                             if( sum==left- ){
                                 sum = ;
                                 day = ;
                             }
                             else if( sum<left- ){
                                 day -= sum;
                                 sum = ;
                             }
                             else {
                                 sum -= left;
                                 day = ;
                                 mon--;
                             }
                         }
                     }
                     else if( mon==||mon==||mon==||mon== ){
                         int left = day;
                         if( sum>= ){
                             sum-=;
                             mon--;
                         }
                         else {
                             if( sum==left- ){
                                 sum = ;
                                 day = ;
                             }
                             else if( sum<left- ){
                                 day -= sum;
                                 sum = ;
                             }
                             else {
                                 sum -= left;
                                 day = ;
                                 mon--;
                             }
                         }
                     }
                     else {
                         int left = day;
                         if( sum>= ){
                             sum-=;
                             mon--;
                             if( mon== ){
                                 year--;
                                 mon=;
                             }
                         }
                         else {
                             if( sum==left- ){
                                 sum = ;
                                 day = ;
                             }
                             else if( sum<left- ){
                                 day -= sum;
                                 sum = ;
                             }
                             else {
                                 sum -= left;
                                 day = ;
                                 mon--;
                                 if( mon== ){
                                     mon = ;
                                     year--;
                                 }
                             }
                         }
                     }
                 }
             }//不是闰年
             if( sum<= ) break;
         }

         printf("%04d/%02d/%02d\n",year,mon,day);
     }
     return ;
 }