C語言學習-4

標籤：

/*
輸入某年某月某日，判斷這一天是這一年的第幾天？
*/

#include<stdio.h>int Leap(int);int main(void){    int year = 0, month = 0, day = 0, temp = 0;     printf("輸入某年某月某日,輸入範例如：2015,5,5\n");    scanf("%d,%d,%d", &year, &month, &day);    //判斷平年還是閏年    switch(month)    {        case 1:            temp = 0;            break;        case 2:            temp = 31;            break;        case 3:            temp = 59;            break;        case 4:            temp = 90;            break;        case 5:            temp = 120;            break;        case 6:            temp = 151;            break;        case 7:            temp = 181;            break;        case 8:            temp = 212;            break;        case 9:            temp = 243;            break;        case 10:            temp = 273;            break;        case 11:            temp = 304;            break;        case 12:            temp = 334;            break;    }    if (Leap(year) == 1 && month > 2)    {        temp = temp + day + 1;    }    else    {        temp = temp + day;    }    printf("%d\n", temp);     return 0;}int Leap(int x)                //判斷是否為閏年 {    if ((x%100!=0 && x%4==0) || (x%100==0 && x%400==0))    {        return 1;    }     else    {        return 0;    }}

 

C語言學習-4