期末复习_03讲解.ppt

结构类型 Database Information System Lab * void main(){ char ch; int day ,mon, year; long sum; cout “please input catelog of calendar: ”; cinch; 结构类型 Database Information System Lab * if( (ch==‘H’) || (ch==‘h’)) {//哈布历法 for(int i=0;iN;i++){ cincalendar[i].daycalendar[i].monthcalendar[i].year; day = calendar[i].day; mon = calendar[i].month; year = calendar[i].year; sum= day+mon*20+year*365; year=sum/260; sum=sum % 260; mon=sum/20; day=sum%20; calendar[i].day = day; calendar[i].month = mon; calendar[i].year = year; } cout“Output calendar of Tzolk‘in”endl; } 结构类型 Database Information System Lab * else{ if ((ch==T) || (ch==t)) { for(int i=0;iN;i++) { cincalendar[i].daycalendar[i].monthcalendar[i].year; day = calendar[i].day; mon = calendar[i].month; year = calendar[i].year; sum= day+mon*20+year*260; year=sum/365; sum=sum % 365; mon=sum/20; day=sum%20; calendar[i].day = day; calendar[i].month = mon; calendar[i].year = year; } coutOutput calendar of Haabendl; } else cout input errorendl;} 结构类型 Database Information System Lab * sort_calendar(calendar,N);//日期排序 for(int i=0;iN;i++)//结果输出 coutcalendar[i].day calendar[i].month calendar[i].yearendl; } 结构类型 Database Information System Lab * void sort_calendar(date d[],int n){ for(int i=0;in-1;i++) for(int j=i;j0;j--) if(d[j].yeard[j-1].year) swap(d[j],d[j-1]); else if(d[j].year==d[j-1].year) if(d[j].monthd[j-1].month) swap(d[j],d[j-1]); else if(d[j].month==d[j-1].month) if(d[j].dayd[j-1].day) swap(d[j],d[j-1]); }//交换函数定义略 函数 函数的说明方式 函数原型，一般写在主函数之前 函数定义，一般写在主函数之后，若无原型，一般写在主函数之前 函数的调用 嵌套 递归 函数的返回值 函数的参数 引用类型参数的意义 Database Information System Lab * 函数 Database Information System Lab * #include iostream.h void f(int x, int y, const int z) { x+=z; y+=z; cout”x=”x”,y=”y”,z=”zendl; } vo