1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 #include<stdio.h> int fm( int date, int month, int year) { int fmonth,leap; /// leap function ... 1 for leap & 0 for non - leap if ((year % 100 == 0 ) && (year % 400 != 0 )) leap = 0 ; else if (year % 4 == 0 ) leap = 1 ; else leap = 0 ; fmonth = 3 + ( 2 - leap) * ((month + 2 ) / ( 2 * month)) + ( 5 * month + month / 9 ) / 2 ; /// f(m) formula fmonth = fmonth % 7 ; /// bring it in range of 0 to 6 return fmonth; } int day_of_week( int date, int month, int year) { int dow; // day of week int YY = year % 100 ; int century = year / 100 ; printf( " \n Date: %d / %d / %d \n\n " ,date,month,year); dow = ...
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