Question

c语言中，给定几月几号，求这天到1月1号的天数

Answer 1

#include<stdio.h>
main()
{
int m,d,i,j,k=0;
scanf("%d,%d",&m,&d);
switch(m)
{
case 1:k=0;break;
case 2:k=31;break;
case 3:k=31+28;break;
case 4:k=31+28+31;break;
case 5:k=31+28+31+30;break;
case 6:k=31+28+31+30+31;break;
case 7:k=31+28+31+30+31+30;break;
case 8:k=31+28+31+30+31+30+31;break;
case 9:k=31+28+31+30+31+30+31+31;break;
case 10:k=31+28+31+30+31+30+31+31+30;break;
case 11:k=31+28+31+30+31+30+31+31+30+31;break;
case 12:k=31+28+31+30+31+30+31+31+30+31+30;break;
default:printf("输入错误\n");
}
k=k+d;
printf("%d\n",k);
}