[已解决]有大佬帮忙看看这个哪里错了吗

ly000 · 发表于 2021-3-11 16:49:45

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#include <stdio.h>

void splitdate(int year,int yearday,int *month,int *day);
int main()
{

const char daytab[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}};

int year,yearday,month,day;

scanf("%d%d",&year,&yearday);
void splitdate(int year,int yearday,&month,&day);
printf("%d %d",month,day);

}
void splitdate(int year,int yearday,int *month,int *day)
{
int k,leap;
const char daytab[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}};
if(year % 4==0 && year % 100==!0||year % 400==0)
{
      leap = 2;
}
else
{
      leap = 1;
}
for (k=1;daytab[leap][k]<day;k++)
{
   yearday-=daytab[leap][k];

}
   *month = k;
   *day = yearday;

}

问题：
给定一个年份y和整数d，问这一年的第d天是几月几日？

c语言

最佳答案

月排行榜 / 总排行榜

jackz007

2021-3-11 17:22:21

本帖最后由 jackz007 于 2021-3-11 19:08 编辑

#include <stdio.h>
void splitdate(int year , int yearday , int * month , int * day)
{
int d , m , leap ;
const char daytab[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 = 0 ;
if(year % 4 == 0 && year % 100 != 0 || year % 400 == 0 ) leap ++ ;
for(d = 0 , m = 1 ; m < 13 && d + daytab[leap][m] <= yearday ; d += daytab[leap][m] , m ++) ;
* month = m ;
* day = yearday - d ;
}
int main(void)
{
int year , yearday , month , day ;
scanf("%d%d" , & year , & yearday) ;
splitdate(year , yearday , & month , & day) ;
printf("%d %d\n" , month , day) ;
}

复制代码

编译、运行实况

D:\0002.Exercise\C>g++ -o x x.c
D:\0002.Exercise\C>x
2020 31
1 31
D:\0002.Exercise\C>x
2020 366
12 31
D:\0002.Exercise\C>x
2021 32
2 1
D:\0002.Exercise\C>x
2021 365
12 31
D:\0002.Exercise\C>

复制代码

跳转到最佳答案楼层

jackz007 · 发表于 2021-3-11 17:22:21

这个最佳答案由 jackz007 给出，感谢 jackz007 的回答。

单击隐藏图章

本帖最后由 jackz007 于 2021-3-11 19:08 编辑

#include <stdio.h>
void splitdate(int year , int yearday , int * month , int * day)
{
int d , m , leap ;
const char daytab[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 = 0 ;
if(year % 4 == 0 && year % 100 != 0 || year % 400 == 0 ) leap ++ ;
for(d = 0 , m = 1 ; m < 13 && d + daytab[leap][m] <= yearday ; d += daytab[leap][m] , m ++) ;
* month = m ;
* day = yearday - d ;
}
int main(void)
{
int year , yearday , month , day ;
scanf("%d%d" , & year , & yearday) ;
splitdate(year , yearday , & month , & day) ;
printf("%d %d\n" , month , day) ;
}

复制代码

编译、运行实况

D:\0002.Exercise\C>g++ -o x x.c
D:\0002.Exercise\C>x
2020 31
1 31
D:\0002.Exercise\C>x
2020 366
12 31
D:\0002.Exercise\C>x
2021 32
2 1
D:\0002.Exercise\C>x
2021 365
12 31
D:\0002.Exercise\C>

复制代码

ly000 · 发表于 2021-3-12 18:34:06

谢谢大佬

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[已解决]有大佬帮忙看看这个哪里错了吗

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