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用c语言编程,接收年月日,判别是否为合法日期。答：int main(){ int year,month,day;int sign=0,dayvalid;printf("请输入年月日：\n");scanf("%d,%d,%d",&year,&month,&day);if ((year%4==0&&year%100!=0)||year%400==0){ sign =1;} if (month>=1...
c语言:从键盘上输入一个日期,判断输入的日期是否正确答：判断年份大于0、月份大于0小于13、日期大于0小于等于月份对应的天数为正确输入，否则为错误输入。代码如下：include "stdio.h"int main(int argc,char *argv[]){ int y,m,d,md[12]={31,28,31,30,31,30,31,31...
C语言中怎么判断输入日期格式是否正确,要求输入的格式为年-月-日...答：char str[100];memset(str,0,100);strcpy(str,"1995-12-06")int year,month,day;sscanf(str,"%d-%d-%d",&year,&month,&day);//自己调试下就好了
...上输入一个日期(格式:年月日),判断输入的日期是否正确,如果正确,计算...答：public class Calendar { public static void main(String[] args) { int year=0,month=0,date=0;int temp=0;int a[]={31,28,31,30,31,30,31,31,30,31,30,31};Scanner sc=new Scanner(System.in);System....