黑色星期五1.txt

 #include <stdio.h>
  #include <stdlib.h>

  main()
  { int  i,k,m,n, 
        a[12]={0,31,59,90,120,151,181,212,243,273,304,335},
        b[12]={0,31,60,91,121,152,182,213,244,274,305,336}; 
      scanf("%d%d",&m,&n);  
     if(n<=2) k=n+5;
        else  k=n-2;
     if((m%4==0&&m%100!=0)||m%400==0) 
       for(i=0;i<12;i++)
        { if((b[i]+k)%7==5)
           printf("%d/%d/%d",m,i+1,13);}
       else 
         for(i=0;i<12;i++)
          {if((a[i]+k)%7==5)
          printf("%d/%d/%d\n",m,i+1,13);
          }
  system("PAUSE");
  return 0;
  } 

 #include <stdio.h>
  #include <stdlib.h>

  main()
  { int  i,j,k,m,n,t=0, 
        a[2][12]={  {0,31,28,31,30,31,30,31,31,30,31,30},
                    {0,31,29,31,30,31,30,31,31,30,31,30}};