[問題] 萬年歷的一種作法..
通常..寫萬年歷不是都用陣列嗎??
這是我寫的上半部宣告
#include<stdio.h>
#include<math.h>
int main()
{int year;
printf( "輸入年份:" );
fflush(stdout);
scanf("%d", &year);
int month[]={31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
int num, first_day;
first_day = (1+(year-1)+(year-1)/4-(year-1)/100+(year-1)/400)%7;
if ( (year%4==0 && year%100!=0) || year%400==0 )
month[1] = 29;
想說...如果不用陣列改用if來計算...
這樣不是要用12個if來跑嗎??
如果又碰到閏年..這樣不是就有13個if...
那如果用if宣告..該怎麼表示阿..我不懂= =..
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