- 1. Eingabe, Druck und Zahlen
- 2. Ganzzahl und Gleitzahl
- 3. Bedingungen: Wenn-dann-sonst
- 4. Für Schleife mit Bereich
- 5. Saiten
- 6. While-Schleife
- 7. Listen
- 8. Funktionen und Rekursion
- 9. Zweidimensionale Listen (Arrays)
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- 14. Responsive Design with Bootstrap
- 15. jQuery
Ad place
The number of pairs of equal
Statement
Given a list of numbers, count how many element pairs have the same value (are equal). Any two elements that are equal to each other should be counted exactly once.
In all the problems input the data using input() and print the result using print().
Statement
Given a list of numbers, count how many element pairs have the same value (are equal). Any two elements that are equal to each other should be counted exactly once.In all the problems input the data using input() and print the result using print().