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exception handling

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Leaced 2017-04-14 17:26:52 +02:00
parent 2a87562d50
commit 50844a0dba
3 changed files with 276 additions and 114 deletions
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156
Sortieralgorithmen/BubbleSort.cpp
View file

@ -5,29 +5,109 @@
#include<cstdlib>
#include<ctime>
void BubbleSort(long double *array, unsigned short amount);
void BubbleSort(int *array, unsigned short amount);
void BubbleSort(long double *array, short amount);
void BubbleSort(int *array, short amount);
void program();
void printArray(long double *array, short amount);
void printArray(short *array, short amount);
int main()
{
std::string input;
unsigned short amount = 1;
std::cout << "Gib die Anzahl der Zahlen ein: ";
program();
getch();
return(0);
}
void BubbleSort(short *array, short amount)
{
std::cout << "\n";
printArray(array, amount);
bool changed = true;
for(unsigned short idx = 0; idx<amount-1 && changed; idx++)
{
changed = false;
for(unsigned short idx2 = amount-1; idx2>idx; idx2--) if(array[idx2]<array[idx2-1])
{
int temp = array[idx2-1];
array[idx2-1] = array[idx2], array[idx2] = temp, changed = true;
}
printArray(array, amount);
}
}
void BubbleSort(long double *array, short amount)
{
std::cout << "\n";
printArray(array, amount);
bool changed = true;
for(unsigned short idx = 0; idx<amount-1 && changed; idx++)
{
changed = false;
for(unsigned short idx2 = amount-1; idx2>idx; idx2--) if(array[idx2]<array[idx2-1])
{
int temp = array[idx2-1];
array[idx2-1] = array[idx2], array[idx2] = temp, changed = true;
}
printArray(array, amount);
}
}
void program()
{
std::string input;
short amount = 1;
do
{
getline(std::cin, input);
std::stringstream(input) >> amount;
if(amount >= USHRT_MAX) std::cerr << "Error: Die eingegebene Anzahl ist zu gro\xE1 oder klein. Gib eine andere Anzahl ein: ";
}while(amount>=SHRT_MAX || amount<2);
do
{
std::cout << "\nM\x94 \bchtest du mit zuf\x84lligen Zahlen arbeiten? y/n ";
getline(std::cin, input);
if(input != "y" && input != "Y" && input == "n" && input == "N") std::cerr << "Error: Diese Eingabe ist unzulässig. ";
}while(input != "y" && input != "Y" && input == "n" && input == "N");
if(input == "y" || input == "Y")
{
int *array = new int[amount];
try
{
short *array = new short[amount];
srand(time(0));
for(unsigned short idx = 0; idx < amount; array[idx++] = rand()%1000);
BubbleSort(array, amount);
delete[] array;
}
catch(std::bad_alloc& ba)
{
std::cerr << "Error: Es konnte kein Array dieser Gr\x94\xE1 \be erzeugt werden. Gib eine andere Anzahl ein: ";
program();
}
catch(std::exception& e)
{
std::cerr << "Error: Beim Erstellen des Arrays kam es zu einem unbekannten Fehler. Versuche es mit einer anderen Anzahl: ";
program();
}
}
else
{
try
{
long double *array = new long double[amount];
for(unsigned short idx = 0; idx < amount; std::stringstream(input) >> array[idx++])
@ -38,55 +118,29 @@ int main()
BubbleSort(array, amount);
delete[] array;
}
catch(std::bad_alloc& ba)
{
std::cerr << "Error: Es konnte kein Array dieser Gr\x94\xE1 \be erzeugt werden. Gib eine andere Anzahl ein: ";
program();
}
catch(std::exception& e)
{
std::cerr << "Error: Beim Erstellen des Arrays kam es zu einem unbekannten Fehler. Versuche es mit einer anderen Anzahl: ";
program();
}
}
}
void printArray(long double *array, short amount)
{
for(unsigned short idx = 0; idx+1<amount; idx++) std::cout << array[idx] << ", ";
std::cout << array[amount-1] << "\n";
getch();
return(0);
}
void BubbleSort(int *array, unsigned short amount)
void printArray(short *array, short amount)
{
std::cout << "\n";
for(unsigned short idx = 0; idx+1<amount; idx++) std::cout << array[idx] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des unsortierten Arrays
bool changed = true;
for(unsigned short idx = 0; idx<amount-1 && changed; idx++)
{
changed = false;
for(unsigned short idx2 = amount-1; idx2>idx; idx2--) if(array[idx2]<array[idx2-1])
{
int temp = array[idx2-1];
array[idx2-1] = array[idx2], array[idx2] = temp, changed = true;
}
for(unsigned short idx2 = 0; idx2+1<amount; idx2++) std::cout << array[idx2] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des Arrays nach jedem Sortierungsschritt
}
}
void BubbleSort(long double *array, unsigned short amount)
{
std::cout << "\n";
for(unsigned short idx = 0; idx+1<amount; idx++) std::cout << array[idx] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des unsortierten Arrays
bool changed = true;
for(unsigned short idx = 0; idx<amount-1 && changed; idx++)
{
changed = false;
for(unsigned short idx2 = amount-1; idx2>idx; idx2--) if(array[idx2]<array[idx2-1])
{
int temp = array[idx2-1];
array[idx2-1] = array[idx2], array[idx2] = temp, changed = true;
}
for(unsigned short idx2 = 0; idx2+1<amount; idx2++) std::cout << array[idx2] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des Arrays nach jedem Sortierungsschritt
}
std::cout << array[amount-1] << "\n";
getch();
}

138
Sortieralgorithmen/InsertionSort.cpp
View file

@ -5,29 +5,99 @@
#include<cstdlib>
#include<ctime>
void InsertionSort(long double *array, unsigned short amount);
void InsertionSort(int *array, unsigned short amount);
void InsertionSort(long double *array, short amount);
void InsertionSort(int *array, short amount);
void program();
void printArray(long double *array, short amount);
void printArray(short *array, short amount);
int main()
{
std::string input;
unsigned short amount = 1;
std::cout << "Gib die Anzahl der Zahlen ein: ";
program();
getch();
return(0);
}
void InsertionSort(long double *array, short amount)
{
std::cout << "\n";
printArray(array, amount);
for(unsigned short idx = 1; idx < amount; idx++)
{
int temp = array[idx], idx2 = idx-1;
while(idx2>=0 && array[idx2]>temp) array[idx2+1] = array[idx2--];
array[idx2+1] = temp;
printArray(array, amount);
}
}
void InsertionSort(short *array, short amount)
{
std::cout << "\n";
printArray(array, amount);
for(unsigned short idx = 1; idx < amount; idx++)
{
int temp = array[idx], idx2 = idx-1;
while(idx2>=0 && array[idx2]>temp) array[idx2+1] = array[idx2--];
array[idx2+1] = temp;
printArray(array, amount);
}
}
void program()
{
std::string input;
short amount = 1;
do
{
getline(std::cin, input);
std::stringstream(input) >> amount;
if(amount >= USHRT_MAX) std::cerr << "Error: Die eingegebene Anzahl ist zu gro\xE1 oder klein. Gib eine andere Anzahl ein: ";
}while(amount>=SHRT_MAX || amount<2);
do
{
std::cout << "\nM\x94 \bchtest du mit zuf\x84lligen Zahlen arbeiten? y/n ";
getline(std::cin, input);
if(input != "y" && input != "Y" && input == "n" && input == "N") std::cerr << "Error: Diese Eingabe ist unzulässig. ";
}while(input != "y" && input != "Y" && input == "n" && input == "N");
if(input == "y" || input == "Y")
{
int *array = new int[amount];
try
{
short *array = new short[amount];
srand(time(0));
for(unsigned short idx = 0; idx < amount; array[idx++] = rand()%1000);
InsertionSort(array, amount);
delete[] array;
}
catch(std::bad_alloc& ba)
{
std::cerr << "Error: Es konnte kein Array dieser Gr\x94\xE1 \be erzeugt werden. Gib eine andere Anzahl ein: ";
program();
}
catch(std::exception& e)
{
std::cerr << "Error: Beim Erstellen des Arrays kam es zu einem unbekannten Fehler. Versuche es mit einer anderen Anzahl: ";
program();
}
}
else
{
try
{
long double *array = new long double[amount];
for(unsigned short idx = 0; idx < amount; std::stringstream(input) >> array[idx++])
@ -38,45 +108,29 @@ int main()
InsertionSort(array, amount);
delete[] array;
}
catch(std::bad_alloc& ba)
{
std::cerr << "Error: Es konnte kein Array dieser Gr\x94\xE1 \be erzeugt werden. Gib eine andere Anzahl ein: ";
program();
}
catch(std::exception& e)
{
std::cerr << "Error: Beim Erstellen des Arrays kam es zu einem unbekannten Fehler. Versuche es mit einer anderen Anzahl: ";
program();
}
}
}
void printArray(long double *array, short amount)
{
for(unsigned short idx = 0; idx+1<amount; idx++) std::cout << array[idx] << ", ";
std::cout << array[amount-1] << "\n";
getch();
return(0);
}
void InsertionSort(long double *array, unsigned short amount)
void printArray(short *array, short amount)
{
std::cout << "\n";
for(unsigned short idx = 0; idx<amount-1; idx++) std::cout << array[idx] <<", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des unsortierten Arrays
for(unsigned short idx = 1; idx < amount; idx++)
{
int temp = array[idx], idx2 = idx-1;
while(idx2>=0 && array[idx2]>temp) array[idx2+1] = array[idx2--];
array[idx2+1] = temp;
for(idx2 = 0; idx2<amount-1; idx2++) std::cout << array[idx2] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des Arrays nach jedem Sortierungsschritt
}
}
void InsertionSort(int *array, unsigned short amount)
{
std::cout << "\n";
for(unsigned short idx = 0; idx<amount-1; idx++) std::cout << array[idx] <<", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des unsortierten Arrays
for(unsigned short idx = 1; idx < amount; idx++)
{
int temp = array[idx], idx2 = idx-1;
while(idx2>=0 && array[idx2]>temp) array[idx2+1] = array[idx2--];
array[idx2+1] = temp;
for(unsigned short idx2 = 0; idx2<amount-1; idx2++) std::cout << array[idx2] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des Arrays nach jedem Sortierungsschritt
}
for(unsigned short idx = 0; idx+1<amount; idx++) std::cout << array[idx] << ", ";
std::cout << array[amount-1] << "\n";
getch();
}

154
Sortieralgorithmen/SelectionSort.cpp
View file

@ -5,29 +5,107 @@
#include<cstdlib>
#include<ctime>
void SelectionSort(long double *array, unsigned short amount);
void SelectionSort(int *array, unsigned short amount);
void SelectionSort(long double *array, short amount);
void SelectionSort(int *array, short amount);
void program();
void printArray(long double *array, short amount);
void printArray(short *array, short amount);
int main()
{
std::string input;
unsigned short amount = 1;
std::cout << "Gib die Anzahl der Zahlen ein: ";
program();
getch();
return(0);
}
void SelectionSort(long double *array, short amount)
{
std::cout << "\n";
printArray(array, amount);
for(unsigned short idx = 0; idx<amount-1; idx++)
{
unsigned short indexMin = idx;
for(unsigned short idx2 = idx+1; idx2<amount; idx2++) if(array[idx2]<array[indexMin]) indexMin = idx2;
if(indexMin!=idx)
{
long double temp = array[idx];
array[idx] = array[indexMin], array[indexMin] = temp;
}
printArray(array, amount);
}
}
void SelectionSort(short *array, short amount)
{
std::cout << "\n";
printArray(array, amount);
for(unsigned short idx = 0; idx<amount-1; idx++)
{
unsigned short indexMin = idx;
for(unsigned short idx2 = idx+1; idx2<amount; idx2++) if(array[idx2]<array[indexMin]) indexMin = idx2;
if(indexMin!=idx)
{
long double temp = array[idx];
array[idx] = array[indexMin], array[indexMin] = temp;
}
printArray(array, amount);
}
}
void program()
{
std::string input;
short amount = 1;
do
{
getline(std::cin, input);
std::stringstream(input) >> amount;
if(amount >= USHRT_MAX) std::cerr << "Error: Die eingegebene Anzahl ist zu gro\xE1 oder klein. Gib eine andere Anzahl ein: ";
}while(amount>=SHRT_MAX || amount<2);
do
{
std::cout << "\nM\x94 \bchtest du mit zuf\x84lligen Zahlen arbeiten? y/n ";
getline(std::cin, input);
if(input != "y" && input != "Y" && input == "n" && input == "N") std::cerr << "Error: Diese Eingabe ist unzulässig. ";
}while(input != "y" && input != "Y" && input == "n" && input == "N");
if(input == "y" || input == "Y")
{
int *array = new int[amount];
try
{
short *array = new short[amount];
srand(time(0));
for(unsigned short idx = 0; idx < amount; array[idx++] = rand()%1000);
SelectionSort(array, amount);
delete[] array;
}
catch(std::bad_alloc& ba)
{
std::cerr << "Error: Es konnte kein Array dieser Gr\x94\xE1 \be erzeugt werden. Gib eine andere Anzahl ein: ";
program();
}
catch(std::exception& e)
{
std::cerr << "Error: Beim Erstellen des Arrays kam es zu einem unbekannten Fehler. Versuche es mit einer anderen Anzahl: ";
program();
}
}
else
{
try
{
long double *array = new long double[amount];
for(unsigned short idx = 0; idx < amount; std::stringstream(input) >> array[idx++])
@ -38,53 +116,29 @@ int main()
SelectionSort(array, amount);
delete[] array;
}
catch(std::bad_alloc& ba)
{
std::cerr << "Error: Es konnte kein Array dieser Gr\x94\xE1 \be erzeugt werden. Gib eine andere Anzahl ein: ";
program();
}
catch(std::exception& e)
{
std::cerr << "Error: Beim Erstellen des Arrays kam es zu einem unbekannten Fehler. Versuche es mit einer anderen Anzahl: ";
program();
}
}
}
void printArray(long double *array, short amount)
{
for(unsigned short idx = 0; idx+1<amount; idx++) std::cout << array[idx] << ", ";
std::cout << array[amount-1] << "\n";
getch();
return(0);
}
void SelectionSort(long double *array, unsigned short amount)
void printArray(short *array, short amount)
{
std::cout << "\n";
for(unsigned short idx =0; idx<amount-1; idx++) std::cout << array[idx] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des unsortierten Arrays
for(unsigned short idx = 0; idx<amount-1; idx++)
{
unsigned short indexMin = idx;
for(unsigned short idx2 = idx+1; idx2<amount; idx2++) if(array[idx2]<array[indexMin]) indexMin = idx2;
if(indexMin!=idx)
{
long double temp = array[idx];
array[idx] = array[indexMin], array[indexMin] = temp;
}
for(unsigned short idx2 = 0; idx2<amount-1; idx2++) std::cout << array[idx2] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des Arrays nach jedem Sortierungsschritt
}
}
void SelectionSort(int *array, unsigned short amount)
{
std::cout << "\n";
for(unsigned short idx =0; idx<amount-1; idx++) std::cout << array[idx] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des unsortierten Arrays
for(unsigned short idx = 0; idx<amount-1; idx++)
{
unsigned short indexMin = idx;
for(unsigned short idx2 = idx+1; idx2<amount; idx2++) if(array[idx2]<array[indexMin]) indexMin = idx2;
if(indexMin!=idx)
{
long double temp = array[idx];
array[idx] = array[indexMin], array[indexMin] = temp;
}
for(unsigned short idx2 = 0; idx2<amount-1; idx2++) std::cout << array[idx2] << ", ";
std::cout << array[amount-1] << "\n"; //Ausgabe des Arrays nach jedem Sortierungsschritt
}
for(unsigned short idx = 0; idx+1<amount; idx++) std::cout << array[idx] << ", ";
std::cout << array[amount-1] << "\n";
getch();
}