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@ilham-daiee-muntahi
ilham-daiee-muntahi committed Apr 21, 2021
1 parent ca04bb0 commit 946dc2f
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350 changes: 350 additions & 0 deletions dayofweek.cpp
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#include <iostream>
using namespace std;

int main() {
int year;
int month;
int date;

cout << "This program finds out which date was which day of the week of the years 1700-2299. \n";
while (true) {
cout << "What's the year? \n";
cout << "Type in the year in numbers (1700-2299): ";
cin >> year;
if ((year < 1699) || (year > 2300)) {
cout << "Invalid year!!! \n";
continue;
}
cout << "What's the month? \n";

cout << "Type in numbers (1-12): ";
cin >> month;
if ((month < 1) || (month > 12)) {
cout << "Invalid month!!! \n";
continue;
}

int moco;
switch (month) {
case 1:
moco = 0;
break;
case 2:
moco = 3;
break;
case 3:
moco = 3;
break;
case 4:
moco = 6;
break;
case 5:
moco = 1;
break;
case 6:
moco = 4;
break;
case 7:
moco = 6;
break;
case 8:
moco = 2;
break;
case 9:
moco = 5;
break;
case 10:
moco = 0;
break;
case 11:
moco = 3;
break;
case 12:
moco = 5;
break;

default:
cout << "nothing";
break;
}

cout << "What was the date? \n";
cout << "Type in numbers (1-31): ";
cin >> date;
if ((date < 1) || (date > 31)) {
cout << "Invalid date!!! \n";
continue;
}
if (year > 1699 && year < 1800) // 1700 - 1799
{
int yearsub = year - 1700;
int qut = yearsub / 4;
int dividend = date + moco + qut + yearsub;
int divisor = 7;
int res = dividend % divisor;
switch (res) {
case 5:
cout << "It was Sunday";
break;
case 6:
cout << "It was Monday";
break;
case 0:
cout << "It was Tuesday";
break;
case 1:
cout << "It was Wednesday";
break;
case 2:
cout << "It was Thursday";
break;
case 3:
cout << "It was Friday";
break;
case 4:
cout << "It was Saturday";
break;

default:
cout << "ass";
break;
}

} else if (year > 1799 && year < 1900) { //1800-1899

int yearsub = year - 1800;
int qut = yearsub / 4;
int dividend = date + moco + qut + yearsub;
int divisor = 7;
int res = dividend % divisor;
switch (res) {
case 6:
cout << "It was Sunday";
break;
case 0:
cout << "It was Monday";
break;
case 1:
cout << "It was Tuesday";
break;
case 2:
cout << "It was Wednesday";
break;
case 3:
cout << "It was Thursday";
break;
case 4:
cout << "It was Friday";
break;
case 5:
cout << "It was Saturday";
break;

default:
cout << "ass";
break;
}

} else if (year > 1899 && year < 2000) //for 1900-1999
{
int yearsub = year - 1900;
int qut = yearsub / 4;
int dividend = date + moco + qut + yearsub;
int divisor = 7;
int res = dividend % divisor;
switch (res) {
case 0:
cout << "It was Sunday";
break;
case 1:
cout << "It was Monday";
break;
case 2:
cout << "It was Tuesday";
break;
case 3:
cout << "It was Wednesday";
break;
case 4:
cout << "It was Thursday";
break;
case 5:
cout << "It was Friday";
break;
case 6:
cout << "It was Saturday";
break;

default:
cout << "ass";
break;
}
} else if (year > 1999 && year < 2100) {
int yearsub = year - 2000;
int qut = yearsub / 4;
int dividend = date + moco + qut + yearsub;
int divisor = 7;
int res = dividend % divisor;
switch (res) {
case 1:
cout << "It was Sunday";
break;
case 2:
cout << "It was Monday";
break;
case 3:
cout << "It was Tuesday";
break;
case 4:
cout << "It was Wednesday";
break;
case 5:
cout << "It was Thursday";
break;
case 6:
cout << "It was Friday";
break;
case 0:
cout << "It was Saturday";
break;

default:
cout << "ass";
break;
}
} else if (year > 2099 && year < 2200) { //2100-2199
int yearsub = year - 2100;
int qut = yearsub / 4;
int dividend = date + moco + qut + yearsub;
int divisor = 7;
int res = dividend % divisor;
switch (res) {
case 2:
cout << "It was Sunday";
break;
case 3:
cout << "It was Monday";
break;
case 4:
cout << "It was Tuesday";
break;
case 5:
cout << "It was Wednesday";
break;
case 6:
cout << "It was Thursday";
break;
case 0:
cout << "It was Friday";
break;
case 1:
cout << "It was Saturday";
break;

default:
cout << "ass";
break;
}
} else if (year > 2199 && year < 2300) //2200-2299
{
int yearsub = year - 2200;
int qut = yearsub / 4;
int dividend = date + moco + qut + yearsub;
int divisor = 7;
int res = dividend % divisor;
switch (res) {
case 3:
cout << "It was Sunday";
break;
case 4:
cout << "It was Monday";
break;
case 5:
cout << "It was Tuesday";
break;
case 6:
cout << "It was Wednesday";
break;
case 0:
cout << "It was Thursday";
break;
case 1:
cout << "It was Friday";
break;
case 2:
cout << "It was Saturday";
break;

default:
cout << "ass";
break;
}
}
cout << endl;
cout << "Enter '1' to go again or '0' to exit: ";
int c;
cin >> c;
if (c = 1) {
continue;
} else if (c = 0) {
break;
} else {
continue;
}
}
}
/*if (month == 1) {
moco = 0;
} else if (month == 2) {
moco = 3;
} else if (month == 3) {
moco = 3;
} else if (month == 4) {
moco = 6;
} else if (month == 5) {
moco = 1;
} else if (month == 6) {
moco = 4;
} else if (month == 7) {
moco = 6;
} else if (month == 8) {
moco = 2;
} else if (month == 9) {
moco = 5;
} else if (month == 10) {
moco = 0;
} else if (month == 11) {
moco = 3;
} else if (month == 12) {
moco = 5;
}*/
/* if (res == 1) {
cout << "It was Sunday";
} else if (res == 2) {
cout << "It was Monday";
} else if (res == 3) {
cout << "It was Tuesday";
} else if (res == 4) {
cout << "It was Wednesday";
} else if (res == 5) {
cout << "It was Thursday";
} else if (res == 6) {
cout << "It was Friday";
} else if (res == 0) {
cout << "It was Saturday";
}*/
/*if (res == 0) {
cout << "It was Sunday";
} else if (res == 1) {
cout << "It was Monday";
} else if (res == 2) {
cout << "It was Tuesday";
} else if (res == 3) {
cout << "It was Wednesday";
} else if (res == 4) {
cout << "It was Thursday";
} else if (res == 5) {
cout << "It was Friday";
} else if (res == 6) {
cout << "It was Saturday";
}*/
Binary file added dayofweek.exe
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