解题思路:
注意事项:
参考代码:
#include<iostream>
using namespace std;
struct time
{
int year;
int month;
int day;
};
int main()
{
struct time t1;
cin >> t1.year;
cin >> t1.month;
cin >> t1.day;
int sum = 0,sum1=0, sum2 = 0;
int total = 0;
if ((t1.year % 400 != 0) || (t1.year % 4 != 0 && t1.year % 100 == 0))
{
t1.month = t1.month - 1;
while (1)
{
if (t1.month == 1 || t1.month == 3 || t1.month == 5 || t1.month == 7 || t1.month == 8 || t1.month == 10 || t1.month == 12)
{
sum += 31;
}
else
{
if (t1.month == 2)
{
sum1 = 28;
}
else
{
sum2 += 30;
}
}
t1.month--;
if (t1.month < 1)
{
break;
}
}
total = sum + sum1+ sum2;
}
else
{
t1.month = t1.month - 1;
while ( 1)
{
if (t1.month == 1 || t1.month == 3 || t1.month == 5 || t1.month == 7 || t1.month == 8 || t1.month == 10 || t1.month == 12)
{
sum += 31;
}
else
{
if (t1.month == 2)
{
sum1 = 29;
}
else
{
sum2 += 30;
}
}
t1.month--;
if (t1.month < 1)
{
break;
}
}
total = sum + sum1+ sum2;
}
cout << total+t1.day << endl;
system("pause");
}
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