import java.util.*;
import java.lang.*;
class Main
{
{
int partidas = 15000000;
int total = 0;
for (int i=0; i<partidas; i++)
{
int contador = 1;
while (Math.
random()<0.5) {
contador++;
}
total
+= Math.
pow(2, contador
); }
System.
out.
println("Partidas: "+partidas
); System.
out.
println("Total premios: "+total
); System.
out.
println("Media premios: "+((double)total
/partidas
)); }
}
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