「已注销」 2018-10-18 14:27 采纳率: 100%
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新人求解两个程序为什么输出不同?

#include
int main()
{
int year,month,day,days2=0,days=0,days101=0;
scanf("%d %d %d",&year,&month,&day);
if(((year%4==0)&&year%100!=0)||(year%400==0))
days2=29;
else
days2=28;
switch(month - 1)
{
case 12:
days=days+31;
case 11:
days=days+30;
case 10:
days=days+31;
case 9:
days=days+30;
case 8:
days=days+31;
case 7:
days=days+31;
case 6:
days=days+30;
case 5:
days=days+31;
case 4:
days=days+30;
case 3:
days=days+31;
case 2:
days=days+days2;
case 1:
days=days+31;
}
days101=31+days2+31+30+31+30+31+31+30+1;
days=days+day;
if(days printf("%d days shy",days101-days);
else if(days>=days101)
printf("over %d days",days-days101);
return 0;
}

#include
int main()
{
int year,month,day,days=0,days2=0,days101=0;
scanf("%d %d %d",&year,&month,&day);
if((year%4==0&&year%100!=0)||(year%400==0))
{
days2=29;
}
else
{
days2=28;
}
switch(month-1)
{
case12:
days=days+31;
case11:
days=days+30;
case10:
days=days+31;
case9:
days=days+30;
case8:
days=days+31;
case7:
days=days+31;
case6:
days=days+30;
case5:
days=days+31;
case4:
days=days+30;
case3:
days=days+31;
case2:
days=days+days2;
case1:
days=days+31;
}
days=days+day;
days101=31+days+31+30+31+30+31+31+30+1;
if(days>=days101)
{
printf("over %d days",days-days101);
}
else
{
printf("%d days shy",days101-days);
}
return 0;
}

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2条回答 默认 最新

  • 「已注销」 2018-12-04 08:07
    关注

    第二个与第一个差在case后有无空格

     #include
    int main()
    {
    int year,month,day,days=0,days2=0,days101=0;
    scanf("%d %d %d",&year,&month,&day);
    if((year%4==0&&year%100!=0)||(year%400==0))
    {
    days2=29;
    }
    else
    {
    days2=28;
    }
    switch(month-1)
    {
    case 12:
    days=days+31;
    case 11:
    days=days+30;
    case 10:
    days=days+31;
    case 9:
    days=days+30;
    case 8:
    days=days+31;
    case 7:
    days=days+31;
    case 6:
    days=days+30;
    case 5:
    days=days+31;
    case 4:
    days=days+30;
    case 3:
    days=days+31;
    case 2:
    days=days+days2;
    case 1:
    days=days+31;
    }
    days=days+day;
    days101=31+days+31+30+31+30+31+31+30+1;
    if(days>=days101)
    {
    printf("over %d days",days-days101);
    }
    else
    {
    printf("%d days shy",days101-days);
    }
    return 0;
    }
    
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