class LiczbyPierwsze
{
int[] pierwsze;
LiczbyPierwsze(int n)
{
if (n < 1)
int[] czyPierwsza = new int[n+1];
for (int i = 1; i <= n; i++)
czyPierwsza[i] = 1;
czyPierwsza[1] = 0;
for (int i = 4; i <= n; i = i + 2)
czyPierwsza[i] = 0;
for (int i = 3; i <= n; i = i + 2)
{
for (int j
= 3; j
<= Math.
sqrt(i
); j
= j
+ 2)
{
if(i % j == 0)
{
czyPierwsza[i]=0;
}
}
}
int iloscPierwszych=0;
for (int i = 1; i <= n; i++)
{
if(czyPierwsza[i] == 1)
{
iloscPierwszych++;
}
}
pierwsze = new int[iloscPierwszych];
int k = 0;
for (int i = 2; i <= n; i++)
{
if(czyPierwsza[i] == 1)
{
pierwsze[k] = i;
k++;
}
}
}
public int liczba(int m)
{
if (m < 0 || m >= pierwsze.length)
return pierwsze[m];
}
}
public class Test
{
public static void main
(String[] args
)
{
if (args.length == 0)
{
System.
out.
println("Nie przekazano argumentow");
}
try
{
LiczbyPierwsze p = new LiczbyPierwsze(n);
for (int i = 1; i < args.length; i++)
{
try
{
System.
out.
println(n
+ " - " + p.
liczba(n
));
}
{
System.
out.
println(args
[i
] + " - nie jest liczba clakowita");
}
{
System.
out.
println(args
[i
] + " - liczba spoza zakresu");
}
}
}
{
System.
out.
println(args
[0] + " - nie jest liczba calkowita");
}
{
System.
out.
println(args
[0] + " - nieprawidlowy zakres");
}
}
}
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