c语言:输入一个日期,包括年月日。用/隔开,计算这个日期是这一年的第...答:month,day,n=0,a[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};scanf("%d/%d/%d",&year,&month,&day);if((year%4==0&&year%100)||year%400==0) a[2]=29;for(i=0;i<=month-1;i++) n+=a[i];printf("这个日期是%d年的第%d天。",year,n+day);} 运行示例:
C语言输入年份月份,输出天数。答:){int year,day,d,month,leap;int i;int Month[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};printf("输入年份:\n");scanf("%d",&year);printf("输入月份:\n");scanf("%d",&month);if( (year%4!=0) ||( (year%100==0)&& (year%400!=0))) Month[2] = 29;...