1
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initial commit

This commit is contained in:
Joel Baldauf
2021-01-07 22:12:16 +01:00
commit f5202ee9b2
7 changed files with 899 additions and 0 deletions
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#include <iostream>
#include <string>
using namespace std;
class datum {
private:
int tag;
int monat;
int jahr;
bool schaltjahr;
public:
int getTag();
int getMonat();
int getJahr();
int wochentag();
//void setJahr(int);
//void setMonat(int);
//void setJahr(int);
datum(int, int, int);
datum();
~datum();
bool schaltjahrBestimmen(int);
int kwBerechnen();
void ausgeben();
};
int datum::getTag()
{
return tag;
}
int datum::getMonat()
{
return monat;
}
int datum::getJahr()
{
return jahr;
}
bool datum::schaltjahrBestimmen(int jahr) {
bool sjahr = 0;
if (!((jahr % 4) || !(jahr % 100)) || !((jahr % 4) || (jahr % 400)))
bool sjahr = 1;
return sjahr;
}
datum::datum() {
tag = 1;
monat = 1;
jahr = 2020;
schaltjahr = schaltjahrBestimmen(jahr);
}
datum::datum(int t, int m, int j) {
tag = t;
monat = m;
jahr = j;
schaltjahr = schaltjahrBestimmen(j);
}
datum::~datum() {
}
void datum::ausgeben() {
cout << tag << " tag " << monat << " Monat " << jahr << " Jahr " << schaltjahr << endl;
}
int datum::wochentag()
{
string yearst = to_string(jahr);
string cst = yearst.substr(0, 2);
string yst = yearst.substr(2, 4);
int y = stoi(yst);
int c = stoi(cst);
int d = tag;
int m = monat;
if (m < 3)
y--;
if (m == 1 || m == 2)
m += 10;
else
m -= 2;
int w = (d + (int)(2.6 * m - 0.2) + y + (int)(y / 4) + (int)(c / 4) - 2 * c) % 7;
if (w < 0)
w += 7;
return w;
}
int datum::kwBerechnen()
{
int monate[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
int tage = 0;
if (monat == 1)
tage = tag;
else
{
for (int i = 0; i < monat - 1; i++)
tage += monate[i];
tage += tag;
}
if (schaltjahrBestimmen(jahr) == 1 && monat > 2)
tage += 1;
datum ersteJan(1, 1, jahr);
int wochentagErste = ersteJan.wochentag();
int offset = 0;
int kw = 0;
if (wochentagErste < 4)
offset = wochentagErste - 2;
else
offset = (8 - wochentagErste) % 7;
kw += 1;
kw += ((tage + offset) / 7);
if (kw == 0)
kw = 53;
if (kw == 53)
{
datum datum1(1, 1, jahr + 1);
if (datum1.kwBerechnen() == 1 && datum1.wochentag() < 4)
kw = 1;
}
return kw;
}
int main()
{
datum datum2(30, 12, 2019);
int w = datum2.kwBerechnen();
cout << "kw: " << w;
}
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#include <iostream>
#include <string>
using namespace std;
class datum {
private:
int tag;
int monat;
int jahr;
bool schaltjahr;
public:
int getTag();
int getMonat();
int getJahr();
int wochentag();
//void setJahr(int);
//void setMonat(int);
//void setJahr(int);
datum(int, int, int);
datum();
~datum();
bool schaltjahrBestimmen(int);
int kwBerechnen();
void ausgeben();
};
int datum::getTag()
{
return tag;
}
int datum::getMonat()
{
return monat;
}
int datum::getJahr()
{
return jahr;
}
bool datum::schaltjahrBestimmen(int jahr) {
bool sjahr = 0;
if (!((jahr % 4) || !(jahr % 100)) || !((jahr % 4) || (jahr % 400)))
bool sjahr = 1;
return sjahr;
}
datum::datum() {
tag = 1;
monat = 1;
jahr = 2020;
schaltjahr = schaltjahrBestimmen(jahr);
}
datum::datum(int t, int m, int j) {
tag = t;
monat = m;
jahr = j;
schaltjahr = schaltjahrBestimmen(j);
}
datum::~datum() {
}
void datum::ausgeben() {
cout << tag << " tag " << monat << " Monat " << jahr << " Jahr " << schaltjahr << endl;
}
int datum::wochentag()
{
string yearst = to_string(jahr);
string cst = yearst.substr(0, 2);
string yst = yearst.substr(2, 4);
int y = stoi(yst);
int c = stoi(cst);
int d = tag;
int m = monat;
if (m < 3)
y--;
if (m == 1 || m == 2)
m += 10;
else
m -= 2;
int w = (d + (int)(2.6 * m - 0.2) + y + (int)(y / 4) + (int)(c / 4) - 2 * c) % 7;
if (w < 0)
w += 7;
return w;
}
int datum::kwBerechnen()
{
int monate[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
int tage = 0;
if (monat == 1)
tage = tag;
else
{
for (int i = 0; i < monat - 1; i++)
tage += monate[i];
tage += tag;
}
if (schaltjahrBestimmen(jahr) == 1 && monat > 2)
tage += 1;
datum ersteJan(1, 1, jahr);
int wochentagErste = ersteJan.wochentag();
int offset = 0;
int kw = 0;
if (wochentagErste < 4)
offset = wochentagErste - 2;
else
offset = (8 - wochentagErste) % 7;
kw += 1;
kw += ((tage + offset) / 7);
if (kw == 0)
kw = 53;
if (kw == 53)
{
datum datum1(1, 1, jahr + 1);
if (datum1.kwBerechnen() == 1 && datum1.wochentag()<4)
kw = 1;
}
return kw;
}
int main()
{
datum datum2 (30, 12, 2019);
int w = datum2.kwBerechnen();
cout << "kw: " << w;
}