计算两个日期之间的天数c语言

不念不忘少年蓝@ 2024-04-20 22:02 81阅读 0赞

记录一下自己写的小程序

#include <stdio.h>int main()
     {
        	
     int year1, year2, month1, month2, day1,
    day2;	
     printf("请输入较小的年月日；例如2020 1 6\n");	
    scanf("%d%d%d", &year1, &month1, &day1);
    printf("请输入较大的年月日；例如2020 1 6\n");	
    scanf("%d%d%d", &year2, &month2, &day2);	
    
    int run[13] = {
        0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};	
    
    int ping[13] = {
        0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};	
     int i = 1, b = 1, zong1 = 0, zong2 = 0;	 
    
    for (i = 1; i < year1; i++) 
     {
        		
       if (i % 400 == 0 || (i % 100 != 0 && i % 4 == 0))
      {
        		
       	zong1 += 366;		
        if ((i + 1) == year1) 
        {
        				
        for (b = 1; b < month1; b++)					   
        zong1 += run[b];	
      	}		
      } 
      else
         {
        		
        zong1 += 365;		
       	if ((i + 1) == year1) 
       	{
        				
       	for (b = 1; b < month1; b++)					    
       	zong1 += ping[b];	
       	}	
      	}	
      }	
      zong1 = zong1 + day1 - 1;	
      for (i = 1; i < year2; i++)
       {
        		
       if (i % 400 == 0 || (i % 100 != 0 && i % 4 == 0)) 
       {
        			
       zong2 += 366;			
       if ((i + 1) == year2)	
      	{
        				
      	for (b = 1; b < month2; b++)					 
      	zong2 += run[b];			
      	}		
      	} 
      	else 
      	{
        			
      	zong2 += 365;			
      	if ((i + 1) == year2) 
      	{
        				
      	for (b = 1; b < month2; b++)					   zong2 += ping[b];	
      		}	
      	}
     	}
     	zong2 = zong2 + day2 - 1;	  
     	printf("zong1=%d,zong2=%d\n", zong1, zong2);
     		printf("相差天数：%d", zong2 - zong1);	
     		getchar();
     }