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a816abfe04
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a816abfe04 | ||
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74b541a1a0 |
-62
@@ -1,62 +0,0 @@
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# ---> C
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# Prerequisites
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*.d
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# Object files
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*.o
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*.ko
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*.obj
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*.elf
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# Linker output
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*.ilk
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*.map
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*.exp
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# Precompiled Headers
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*.gch
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*.pch
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# Libraries
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*.lib
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*.la
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*.lo
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# Shared objects (inc. Windows DLLs)
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*.dll
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*.so
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*.so.*
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*.dylib
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# Executables
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*.exe
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*.out
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*.app
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*.i*86
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*.x86_64
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*.hex
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Startcode/doble_initial
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Startcode/doble
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Startcode/unitTests
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# Debug files
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*.dSYM/
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*.su
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*.idb
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*.pdb
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# Kernel Module Compile Results
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*.mod*
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*.cmd
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.tmp_versions/
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modules.order
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Module.symvers
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Mkfile.old
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dkms.conf
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# IDE folders
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.vscode/
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.idea/
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# macOS
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.DS_Store
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Binary file not shown.
@@ -1,26 +0,0 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include <string.h>
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#include "numbers.h"
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#include "bintree.h"
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//TODO: getDuplicate und createNumbers implementieren
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/* * * Erzeugen eines Arrays mit der vom Nutzer eingegebenen Anzahl an Zufallszahlen.
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* Sicherstellen, dass beim Befüllen keine Duplikate entstehen.
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* Duplizieren eines zufälligen Eintrags im Array.
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* in `getDuplicate()`: Sortieren des Arrays und Erkennen der doppelten Zahl durch Vergleich benachbarter Elemente. */
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// Returns len random numbers between 1 and 2x len in random order which are all different, except for two entries.
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// Returns NULL on errors. Use your implementation of the binary search tree to check for possible duplicates while
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// creating random numbers.
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unsigned int *createNumbers(unsigned int len)
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{
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}
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// Returns only the only number in numbers which is present twice. Returns zero on errors.
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unsigned int getDuplicate(const unsigned int numbers[], unsigned int len)
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{
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}
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@@ -67,7 +67,7 @@ int main(int argc, char *argv[])
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userInput = inputNumber("Welche Zahl kommt doppelt vor: ");
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measuredSeconds = stopTimer();
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duplicate = getDuplicate(numbers, numberOfElements);
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duplicate = getDuplicate(numbers, numberOfElements+1);
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// check result and update highscores
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if(userInput == duplicate)
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@@ -29,7 +29,7 @@ program_obj_files = stack.o bintree.o numbers.o timer.o highscore.o
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doble : main.o $(program_obj_files)
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$(CC) $(FLAGS) $^ -o doble
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$(program_obj_files): %.o: %.c
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$(program_obj_filesobj_files): %.o: %.c
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$(CC) -c $(FLAGS) $^ -o $@
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# --------------------------
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@@ -0,0 +1,63 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include <string.h>
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#include "numbers.h"
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#include "bintree.h"
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//Speicher für Array erstellen, zufällige Zahlen von 1-2xlen erzeugen, mittels Binärbaum checken, ob Zahlen einzigartig sind
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//Eine Zahl duplizieren, an zufälliger Stelle einfügen und die Zahl an der Stelle ans Ende schieben
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unsigned int *createNumbers(unsigned int len)
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{
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unsigned int *numbers = malloc (sizeof(unsigned int) * len);
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unsigned int upperLimit = len * 2;
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int isDuplicate = 0;
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TreeNode *binTree = NULL;
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for (unsigned int i = 0; i < len; i++) {
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do
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{
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numbers[i] = rand () % upperLimit + 1;
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binTree = addToTree(binTree, &numbers[i], sizeof(unsigned int), compare, &isDuplicate);
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} while (isDuplicate);
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}
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unsigned int duplicate = numbers[rand () % len];
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int indexDuplicate = rand () % len;
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numbers[len] = numbers[indexDuplicate];
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numbers[indexDuplicate] = duplicate;
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return numbers;
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}
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//Vergleichsfunktion von qsort
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const int compare (const void *a, const void *b) {
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unsigned int *x = a;
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unsigned int *y = b;
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if (*x < *y) {
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return -1;
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}
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else if (*x > *y) {
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return 1;
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}
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else {
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return 0;
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}
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}
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//Sortiert Zahlen mit qsort, vergleicht dann benachbarte Elemente und gibt bei Erfolg die doppelte Zahl zurück
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unsigned int getDuplicate(unsigned int numbers[], unsigned int len)
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{
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if (len < 2) {
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return 0;
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}
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qsort(numbers, len, sizeof(unsigned int), compare);
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for (int i = 0; i < len-1; i++) {
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if (numbers[i] == numbers [i+1]) {
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return numbers[i];
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}
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}
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return 0;
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}
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