fork(12) download
copy 
  1. #include <stdio.h>
  2.  
  3. main()
  4. {
  5.     int year, initial, n, month, day, i, j, Feb, count;
  6.  
  7.     printf("輸入年份跟1/1是星期幾\n");
  8.     scanf("%d",&year);
  9.     scanf("%d",&initial);
  10.     printf("輸入有幾組日期要算(n=1~10)\n");
  11.     scanf("%d",&n);
  12.     printf("輸入日期\n");
  13.  
  14. for (count=0 ; count<n; count++)
  15.     {
  16.     scanf("%d",&month);
  17.     scanf("%d",&day);
  18.  
  19.  
  20.     if (year%400==0||(year%4==0&&year%100!=0))                                   /*設定閏/平年時二月的天數*/
  21.         Feb=29;
  22.     else
  23.         Feb=28;
  24.  
  25.  
  26.     switch (month){                                                              /*設定輸入的每個月份前面要加上幾天*/
  27.     case 1:
  28.         i=0; break;
  29.     case 3:
  30.         i=31 + Feb; break;
  31.     case 5:
  32.         i=31*2 + Feb +30; break;
  33.     case 7:
  34.         i=31*3 + Feb +30*2; break;
  35.     case 8:
  36.         i=31*4 + Feb +30*2; break;
  37.     case 10:
  38.         i=31*5 + Feb +30*3; break;
  39.     case 12:
  40.         i=31*6 + Feb +30*4; break;
  41.  
  42.     case 2:
  43.         i=31; break;
  44.     case 4:
  45.         i= Feb + 31*2 ; break;
  46.     case 6:
  47.         i= Feb + 31*3 + 30; break;
  48.     case 9:
  49.         i= Feb + 31*5 + 30*2; break;
  50.     case 11:
  51.         i= Feb + 31*6 + 30*3; break;
  52.  
  53.     default:
  54.         i=-1; break;
  55.     }
  56.  
  57.  
  58.  
  59.     if (0<day&&day<32) j= ((initial+i+day-1)%7);                                 /*如果月份有錯輸出-2  日期有錯輸出-2*/
  60.     else j=-2;
  61.     if (month==2&&day==31) j= -2;
  62.     if (month==4&&day==31) j= -2;
  63.     if (month==6&&day==31) j= -2;
  64.     if (month==9&&day==31) j= -2;
  65.     if (month==11&&day==31) j= -2;
  66.     if (Feb==28&&month==2&&day==29) j= -2;
  67.  
  68.  
  69.     if (i==-1) printf("%d\n",i);
  70.     else printf("%d\n",j);
  71.  
  72. }
  73.  
  74. return 0;
  75.  
  76. }
  77.  
Success #stdin #stdout 0s 2116KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
輸入年份跟1/1是星期幾
輸入有幾組日期要算(n=1~10)
輸入日期
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
https://ideone.com/Sd8rGs
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!