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  1. <?php
  2. $suma1 = 0;
  3. $suma2 = 0;
  4. $ilosc = 0;
  5. while($dane = fgets(STDIN))
  6. {
  7. 	$dane = explode("	", $dane);
  8. 	$a = $dane[0];
  9. 	$b = $dane[1];
  10. 	$suma1 += $a;
  11. 	$suma2 += $b;
  12. 	$ilosc++;
  13. 	$srednia1 = $suma1/$ilosc;
  14. 	$srednia2 = $suma2/$ilosc;
  15.  
  16. }
  17. echo "Średnia z pierwszej kolumny to: " . $srednia1 . PHP_EOL;
  18. echo "Średnia z drugiej kolumny to: " . $srednia2;
  19. ?>
Success #stdin #stdout 0.01s 52488KB
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stdin
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5	6
4	9
5	5
2	6
1	6
5	0
stdout
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Średnia z pierwszej kolumny to: 3.6666666666667
Średnia z drugiej kolumny to: 5.3333333333333
https://ideone.com/HqowjW
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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