33 lines
699 B
C
33 lines
699 B
C
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/**
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* Vararg Funktion schreiben
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*
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* Schreiben Sie ein Funktion `sum_numbers`, der
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* man eine beliebige Anzahl von Integer-Werten übergeben
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* kann und die dann die Summe der Werte zurückgibt.
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <assert.h>
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int sum_numbers(int count, ...) {
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int result = 0;
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va_list args;
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va_start(args, count);
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for (int i = 0; i < count; i++) {
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result += va_arg(args, int);
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}
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va_end(args);
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return result;
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}
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int main(int argc, char** argv) {
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assert(sum_numbers(1, 1) == 1);
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assert(sum_numbers(2, 1, 2) == 3);
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assert(sum_numbers(3, 1, 2, 3) == 6);
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assert(sum_numbers(4, 1, 2, 3, 10) == 16);
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return 0;
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}
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