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[程式設計]Blackfriday
- 1. [程式設計]黑色星期五<br />#include<stdio.h><br />void main(void){<br /> int i, month=8, days=0, a[12]={31,30,31,30,31,31,28,31,30,31,30,31};<br /> for (i=0; i<12; i++){<br /> days+=a[i];<br /> if (days%7==0)<br /> break;<br /> };<br /> month+=i+1;<br /> if (month<=12){<br /> printf(quot;
2010 %d 13 is Black Friday.quot;
, month);<br /> } else {<br /> month-=12;<br /> printf(quot;
2011 %d 13 is Black Friday.quot;
, month);<br /> };<br />}<br />
![[程式設計]黑色星期五<br />#include<stdio.h><br />void main(void){<br /> int i, month=8, days=0, a[12]={31,30,31,30,31,31,28,31,30,31,30,31};<br /> for (i=0; i<12; i++){<br /> days+=a[i];<br /> if (days%7==0)<br /> break;<br /> };<br /> month+=i+1;<br /> if (month<=12){<br /> printf(quot;
2010 %d 13 is Black Friday.quot;
, month);<br /> } else {<br /> month-=12;<br /> printf(quot;
2011 %d 13 is Black Friday.quot;
, month);<br /> };<br />}<br />](https://image.slidesharecdn.com/blackfriday-100506220526-phpapp02/85/Blackfriday-1-320.jpg)
