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| import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.ServerSocket; import java.net.Socket; import java.util.*;
public class Game { static Set<String> set = new HashSet<String>(); float[] add = new float[6]; float[] sub1 = new float[6]; float[] sub2 = new float[6]; float[] mul = new float[6]; float[] div1 = new float[6]; float[] div2 = new float[6]; List<float[]> list = new ArrayList<float[]>();
public void conbine(float n1, float n2, float n3, float n4) { add[0] = n1 + n2; add[1] = n1 + n3; add[2] = n1 + n4; add[3] = n2 + n3; add[4] = n2 + n4; add[5] = n3 + n4; sub1[0] = n1 - n2; sub1[1] = n1 - n3; sub1[2] = n1 - n4; sub1[3] = n2 - n3; sub1[4] = n2 - n4; sub1[5] = n3 - n4; sub1[5] = n3 + n4; sub2[0] = n2 - n1; sub2[1] = n3 - n1; sub2[2] = n4 - n1; sub2[3] = n3 - n2; sub2[4] = n4 - n2; sub2[5] = n4 - n3; mul[0] = n2 * n1; mul[1] = n3 * n1; mul[2] = n4 * n1; mul[3] = n3 * n2; mul[4] = n4 * n2; mul[5] = n4 * n3; div1[0] = n1 / n2; div1[1] = n1 / n3; div1[2] = n1 / n4; div1[3] = n2 / n3; div1[4] = n2 / n4; div1[5] = n3 / n4; div2[0] = n2 / n1; div2[1] = n3 / n1; div2[2] = n4 / n1; div2[3] = n3 / n2; div2[4] = n4 / n2; div2[5] = n4 / n3; list.add(add); list.add(sub1); list.add(sub2); list.add(mul); list.add(div1); list.add(div2); }
public void getData(float[] data) { System.out.print("四个数字为:"); for (float f : data) { switch ((int) f) { case 1: System.out.print("A" + " "); break; case 11: System.out.print("J" + " "); break; case 12: System.out.print("Q" + " "); break; case 13: System.out.print("K" + " "); break; default: System.out.print((int) f + " "); break; } } System.out.println(); boolean flag = false; conbine(data[0], data[1], data[2], data[3]); for (int a = 0; a < 3; a++) { for (int b = 0; b < 6; b++) { for (int c = 0; c < 6; c++) { if ((list.get(b)[a] + list.get(c)[5 - a]) == 24) { DataFormat.judge(a, b, c, data, "+", set); flag = true; } if ((list.get(b)[a] - list.get(c)[5 - a]) == 24) { DataFormat.judge(a, b, c, data, "-", set); } if ((list.get(b)[5 - a] - list.get(c)[a]) == 24) { DataFormat.judge(a, b, c, data, "-", set); flag = true; } if ((list.get(b)[a] * list.get(c)[5 - a]) == 24) { DataFormat.judge(a, b, c, data, "*", set); flag = true; } if ((list.get(b)[a] / list.get(c)[5 - a]) == 24) { DataFormat.judge(a, b, c, data, "/", set); flag = true; } if ((list.get(b)[5 - a] / list.get(c)[a]) == 24) { DataFormat.judge(a, b, c, data, "/", set); flag = true; } } } } if (!flag) { System.out.println("没有表达式满足条件"); }else{ for (String str : set) { System.out.println(str.replace(".0", " ")); } } }
public static void main(String[] args) throws IOException { Game g = new Game(); float[] data = new float[4]; Random r = new Random(); data[0] = r.nextInt(12) + 1; data[1] = r.nextInt(12) + 1; data[2] = r.nextInt(12) + 1; data[3] = r.nextInt(12) + 1; g.getData(data);
} }
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