输入年份和天数计算出几月几号

//转换函数如下，其中通过指针同时向主函数传回月份和天数

void month_day(int year, int yearday, int *month, int *day){

//k月份，leap判断是否闰年（0非闰年1闰年）

int k, leap;

int tab[2][13] = {

{ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },

{ 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },

};

leap = (year % 4 == 0 && year % 100 != 0) || year % 400 == 0;

for (k = 1; yearday>tab[leap][k]; k++){

yearday = yearday - tab[leap][k];

}

*day = yearday;

*month = k;

}

输入年份和天数计算出几月几号,布布扣,bubuko.com