funktioniert nur für positive integers
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33
dualwand.c
Normal file
33
dualwand.c
Normal file
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#include <stdio.h>
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void decBinary(int zahl) {
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if(zahl == 0){
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return;
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}
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decBinary(zahl/2);
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printf("%d", zahl % 2);
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}
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int input() {
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int eingabe;
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int ok = 0;
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char c;
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printf("Gib eine Zahl ein: ");
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ok = scanf("%d%c", &eingabe, &c);
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while (ok != 2 || c != '\n') {
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ok = scanf("%d%c", &eingabe, &c);
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while ((c = getchar()) != '\n' && c != EOF) {}
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printf("Ungueltige Eingabe!\n");
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}
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return eingabe;
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}
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int main() {
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int zahl;
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zahl = input();
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decBinary(zahl);
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return 0;
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}
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