0_0_5584561_14250\Main.java:3: cannot find symbol
symbol : class BigInteger
location: class Main
static BigInteger fac(int a, int b) {
^
0_0_5584561_14250\Main.java:11: cannot find symbol
symbol : class BigInteger
location: class Main
static BigInteger catalan(int n) {
^
0_0_5584561_14250\Main.java:4: cannot find symbol
symbol : class BigInteger
location: class Main
BigInteger res = BigInteger.ONE;
^
0_0_5584561_14250\Main.java:4: cannot find symbol
symbol : variable BigInteger
location: class Main
BigInteger res = BigInteger.ONE;
^
0_0_5584561_14250\Main.java:6: cannot find symbol
symbol : class BigInteger
location: class Main
res = res.multiply(new BigInteger(((Integer) i).toString()));
^
0_0_5584561_14250\Main.java:12: cannot find symbol
symbol : class BigInteger
location: class Main
BigInteger a = fac(1, n - 1);
^
0_0_5584561_14250\Main.java:13: cannot find symbol
symbol : class BigInteger
location: class Main
BigInteger b = fac(n - 1, 2 * n - 2);
^
0_0_5584561_14250\Main.java:14: cannot find symbol
symbol : class BigInteger
location: class Main
BigInteger res = (b.divide(a)).divide(BigInteger.valueOf(n));
^
0_0_5584561_14250\Main.java:14: cannot find symbol
symbol : variable BigInteger
location: class Main
BigInteger res = (b.divide(a)).divide(BigInteger.valueOf(n));
^
0_0_5584561_14250\Main.java:20: cannot find symbol
symbol : class Scanner
location: class Main
Scanner cin = new Scanner(System.in);
^
0_0_5584561_14250\Main.java:20: cannot find symbol
symbol : class Scanner
location: class Main
Scanner cin = new Scanner(System.in);
^
0_0_5584561_14250\Main.java:26: cannot find symbol
symbol : variable BigInteger
location: class Main
+ catalan(n).multiply(BigInteger.valueOf(2)));
^
12 errors
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