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Punto 2 - TP4 - Informatica

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  1. <script type="text/javascript">
  2.  
  3. var num;
  4. var cont3;
  5. var cont5;
  6. var contDef;
  7. var porc3;
  8. var porc5;
  9. var porcDef;
  10. var porcTot;
  11.  
  12.  
  13. cont3=0
  14. cont5=0
  15. contDef=0
  16. porcTot=100/20
  17.  
  18. for (i=1; i<=20; i++){
  19. 	num = parseInt(prompt("Ingrese un número",""));
  20. 	if(num>0&&num<=100){
  21. 		if(num%3==0 || num%5==0){
  22. 			if(num%3==0){
  23. 				cont3++
  24. 			}
  25. 			if(num%5==0){
  26. 				cont5++
  27. 			}
  28. 		}else{
  29. 		contDef++
  30. 		}
  31. 	}else{
  32. 		alert("Ha ingresado un numero negativo o mayor a 100")	
  33. 	}
  34. }
  35. porc3=porcTot*cont3
  36. porc5=porcTot*cont5
  37. porcDef=porcTot*contDef
  38.  
  39. document.writeln("El PORCENTAJE de numeros multiplos de 3: "+porc3 +" %"+"<br />");
  40. document.writeln("El PORCENTAJE de numeros multiplos de 5: "+porc5+" %"+"<br />");
  41. document.writeln("El PORCENTAJE de numeros NO multiplos NI de 3 NI de 5 : "+porcDef +" %"+"<br />");
  42.  
  43. </script>

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