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View Compilation Error

0_0_17156776_21068\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_17156776_21068\Main.java:3: 错误: 需要class, interface或enum
		BigInteger val = new BigInteger("2");
		^
0_0_17156776_21068\Main.java:4: 错误: 需要class, interface或enum
		BigInteger two = new BigInteger("2");
		^
0_0_17156776_21068\Main.java:5: 错误: 需要class, interface或enum
		int T = scanf.nextInt();
		^
0_0_17156776_21068\Main.java:6: 错误: 需要class, interface或enum
		while((T--) != 0) {
		^
0_0_17156776_21068\Main.java:8: 错误: 需要class, interface或enum
			BigInteger mod = scanf.nextBigInteger();
			^
0_0_17156776_21068\Main.java:9: 错误: 需要class, interface或enum
			BigInteger ans = (q.subtract(BigInteger.ONE).multiply(q.subtract(val))).divide(two);
			^
0_0_17156776_21068\Main.java:10: 错误: 需要class, interface或enum
			ans = ans.mod(mod);
			^
0_0_17156776_21068\Main.java:11: 错误: 需要class, interface或enum
			System.out.println(ans);
			^
0_0_17156776_21068\Main.java:12: 错误: 需要class, interface或enum
		}
		^
10 个错误


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