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EnigmA Amiga Run 1997 April
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EnigmA AMIGA RUN 17 (1997)(G.R. Edizioni)(IT)[!][issue 1997-04][EAR-CD].iso
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EARCD
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util
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time
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Easter.lha
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Easter
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c-version
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EASTER.C
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C/C++ Source or Header
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1996-12-22
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1KB
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55 lines
/* EASTER.C An Easter Datecalculating program for Orthodox/Catholic Easter
C code ported from PASCAL by melody@compulink.gr modifications
by gj489@po.cwru.edu You may distribute the source as is */
#include <stdio.h>
main()
{
int year,a1,a2,a3,b1,b2,d,z;
enter_year:
printf("Enter year : ");
scanf("%d",&year);
if (year <= 0)
{
printf("Illigal year. Use years > 0");
goto enter_year;
}
a1=year-(year/19)*19;
a1=a1*19+16;
a2=year-(year/4)*4;
a2=a2*2;
a3=year-(year/7)*7;
a2=a2+4*a3;
b1=a1-(a1/30)*30;
a2=a2+6*b1;
b2=a2-(a2/7)*7;
d=3+b1+b2;
printf("Easter day for %d is:\n",year);
if (d <= 30)
{
printf("Orthodox Easter is on April %d\n",d);
if (d <= 7)
{
z=7-d;
printf("Catholic Easter is on March %d\n",31-z);
}
else
{
printf("Catholic Easter is on April %d\n",d-7);
}
}
else
{
printf("Orthodox Easter is on May %d\n",d-30);
z=d-30;
if (z <= 7)
{
printf("Catholic Easter is on April %d\n",30-7+z);
}
else
{
printf("Catholic Easter is on May %d\n",d-37);
}
}
}