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Jan 23rd, 2018
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  1. int aufgabe2(int stelle, int num) {
  2. if (stelle > 1) {
  3. return (num % 10 * (int)pow(10, stelle - 1) - num % 10 * (int)pow(10, stelle - 2)) / (int)pow(10, stelle - 2);
  4. }
  5. else {
  6. return num % 10;
  7. }
  8. }
  9.  
  10. int aufgabe4(int num) {
  11. int quersumme = num % 10;
  12. if (num > 9) {
  13. quersumme = quersumme + (num % 100 - num % 10)/10;
  14. }
  15. if (num > 99) {
  16. quersumme = quersumme + (num % 1000 - num % 100)/100;
  17. }
  18. if (num > 999) {
  19. quersumme = quersumme + (num % 10000 - num % 1000)/1000;
  20. }
  21. if (num > 9999) {
  22. quersumme = quersumme + (num % 100000 - num % 10000)/10000;
  23. }
  24. return quersumme;
  25. }
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