SS 2025
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#include <stdio.h>
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#include <stdlib.h>
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int main() {
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float n;
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int rvalue;
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int c;
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while(1){
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printf("Geben Sie eine Zahl ein: ");
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rvalue = scanf("%f", &n);
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if (rvalue == 1){
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break;
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} else {
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printf("Fehler: Bitte geben Sie eine gueltige Zahl ein.\n");
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if (rvalue == 0) {
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do {
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c = getchar();
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} while (c != '\n');
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}
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}
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}
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printf("Die Zahl ist %f\n", n);
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return 0;
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}
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