31 lines
587 B
C
31 lines
587 B
C
#include <stdio.h>
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int main() {
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int a, digits = 0, b = 0;
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printf("input a number for calculation\n");
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fflush(stdin);
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scanf("%d",&a);
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int digit[128];
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// look out for wrong order
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for(int i=0; i<128; i++) {
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digit[i] = a % 10;
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if(a>0)
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a = a / 10;
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else {
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if(digits==-1)
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digits = i;
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digit[i] = -1;
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}
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//printf("%d. digit is: %d\n", i, digit[i]);
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}
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// array is in wrong order, but who cares for the quersumme
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for(int i=0; i<128; i++){
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if(digit[i]>0)
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b += digit[i];
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}
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printf("quersumme is: %d\n", b);
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return 0;
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}
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