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  • C语言之输入年月日 判断这一天为全年的第几天

    #include <stdio.h>
    void main()
    {
    	int year,month,day;
    	bool a;
    	printf("enter year
    ");
    	scanf("%d",&year);
    	printf("enter month
    ");
    	scanf("%d",&month);
    	printf("enter day
    ");
    	scanf("%d",&day);
         if((year%4==0&&year%100!=0)||(year%400==0))	
      
    	{
    		printf("year is run nian 
    ");
    		switch(month)
    		{
    		case 1 :printf("today is %d",day);
    		case 2 :
    		        day=+31;
    		    	printf("today is %d",day);
    				break;
    				
    		case 3:
    			  
    			      day=31+28+day;
    			
    			      printf("today is %d",day);
    				  break;
    		case 4: day=30+28+30+day;
    		     	printf("today is %d",day);
    				break;
    		case 5: day=88+31+day;
    			printf("today is %d",day);
    				break;
    		case 6:day=88+31+30+day;
    				printf("today is %d",day);
    				break;
    		case 7:day=88+31+30+day+31;
    				printf("today is %d",day);
    				break;
    
    					case 8:day=88+31+30+day+31+31;
    				printf("today is %d",day);
    				break;
    
    					case 9:day=88+31+30+day+31+30+30;
    				printf("today is %d",day);
    				break;
    	case 10:day=88+31+30+day+31+30+30+31;
    				printf("today is %d",day);
    				break;
    					case 11:day=88+31+30+day+31+30+30+30+30;
    				printf("today is %d",day);
    				break;
    					case 12:day=88+31+30+day+31+30+30+31+31;
    				printf("today is %d",day);
    				break;
    
    			   
    		
    	 }}
    }
    

      

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  • 原文地址:https://www.cnblogs.com/switch-and-for/p/3390142.html
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