蓝桥杯算法训练VIP-黑色星期五 （C语言代码）

为什么不对 ！！

#include "stdio.h"

#define cdate 13

int fun_year(int y)

{

if (y % 4 == 0 && y % 100 != 0 || y % 400 == 0)

return 1;

else

return 0;

}

int fun_day1(int year,int month, int day)

{

int a[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };

int b[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };

int s=0;

if (fun_year(year))

{

while (month - 1 > 0)

{

s += a[month - 2];

month--;

}

}

else

{

while (month - 1 > 0)

{

s += b[month - 2];

month--;

}

}

return s + day;

}

int main()

{

int y=0,s=1,i,j,a0,day1[12],day2[60],count=0;

int f;

while (y < 1998)

scanf("%d", &y);

if (y == 1998)

{

a0 = 2;

}

else

{

for (i = 1998; i < y - 1; i++)

{

s = fun_year(i) + 365;

}

a0 = 7 -( s-1 ) % 7 ;

}

f = fun_year(y);

for (i = 0; i < 12; i++)

{

day1[i] = fun_day1(y, i + 1, cdate);

}

j = 0;

for (i = 0; i < 365 + f; i+=7)

{

day2[j++] = a0 + i;

}

int k = j;

for(i=0;i<12;i++)

for (j = 0; j < k; j++)

{

if (day1[i] == day2[j])

{

count++;

break;

}

}

printf("%d", count);

system("pause");

    return 0;

}