相当棒的24点游戏算法，Javascript写的，不懂，谁能翻译成C/C++？

24点算法

游戏地址：http://www.prcer.com/tools/24/24-1.html

Javascript代码：

1. <scriptlanguage="JavaScript">
3. //程序作者：海浪
4. //日期：2005-8-13
6. functionlop(j)
7. {
8. if(j>0)
9. {
10. varss=lop(j-1);
11. varpx="";
12. varoo="$1"+j+"$2";
13. for(vark=0;k<=j;k++)
14. {
15. varre=newRegExp("(//d{"+k+"})(.*?;)","g");
16. px+=ss.replace(re,oo);
17. }
18. returnpx;
19. }
20. else
21. return"0;";
22. }
24. vargt=lop(3).slice(0,-1).split(";");
25. for(vari=0;i<gt.length;i++)
26. gt[i]=gt[i].split("");
28. varot=[];
29. varop=["+","-","*","/"];
30. for(varx=0;x<4;x++)
31. for(vary=0;y<4;y++)
32. for(varz=0;z<4;z++)
33. {
34. ot[ot.length]="((a"+op[x]+"b)"+op[y]+"c)"+op[z]+"d";
35. ot[ot.length]="(a"+op[x]+"(b"+op[y]+"c))"+op[z]+"d";
36. ot[ot.length]="a"+op[x]+"((b"+op[y]+"c)"+op[z]+"d)";
37. ot[ot.length]="a"+op[x]+"(b"+op[y]+"(c"+op[z]+"d))";
38. ot[ot.length]="(a"+op[x]+"b)"+op[y]+"(c"+op[z]+"d)";
39. }
41. ///////////////////////////////////////////////////////////////
43. varggcs;
45. functionggcsclass()
46. {
47. this.pjys=0;
48. this.zq=0;
49. this.cw=0;
50. this.hl=0;
51. this.gx();
52. }
54. functionggcsclass.prototype.gx()
55. {
56. k_pjys.innerText=this.zq==0?0:Math.round(this.pjys/this.zq*100)/100;
57. k_zq.innerText=this.zq;
58. k_cw.innerText=this.cw;
59. k_hl.innerText=this.hl;
61. }
63. functionggcsclass.prototype.phl()
64. {
65. this.hl++;
66. this.gx();
67. k_jg.innerText="此题被忽略！！";
68. }
70. functionggcsclass.prototype.pcw()
71. {
72. this.cw++;
73. this.gx();
74. k_jg.innerText="错误！！";
75. }
77. functionggcsclass.prototype.pzq()
78. {
79. vard=jcsl.endDate();
80. this.pjys+=d/1000;
81. this.zq++;
82. this.gx();
83. k_jg.innerText="正确！用时"+Math.round(d/10)/100+"秒！";
84. }
87. window.onload=function()
88. {
89. ggcs=newggcsclass();
90. }
92. ///////////////////////////////////////////////////////////////
94. varjcsl=null;
96. functionjclass()
97. {
98. this.xpa=[];
99. this.ssjg="";
100. this.wx=1E-10;
101. this.date=null;
102. }
104. functionjclass.prototype.rnd()
105. {
106. for(varii=0;ii<4;ii++)
107. this.xpa[ii]=Math.floor(Math.random()*10)+1;
108. }
110. functionjclass.prototype.fapai()
111. {
112. for(varii=0;ii<4;ii++)
113. document.getElementById("pk"+ii).innerText=this.xpa[ii];
114. this.date=newDate();
115. }
117. functionjclass.prototype.endDate()
118. {
119. returnnewDate()-this.date;
120. }
122. functionjclass.prototype.jw()
123. {
124. vara,b,c,d;
125. this.ssjg="";
126. for(vari=0;i<gt.length;i++)
127. {
128. a=this.xpa[gt[i][0]]-0;
129. b=this.xpa[gt[i][1]]-0;
130. c=this.xpa[gt[i][2]]-0;
131. d=this.xpa[gt[i][3]]-0;
132. for(varh=0;h<ot.length;h++)
133. if(Math.abs(eval(ot[h])-24)<=this.wx)
134. this.jcf(ot[h].replace("a",a).replace("b",b).replace("c",c).replace("d",d));
135. }
136. }
138. functionjclass.prototype.jcf(t)
139. {
140. varstr=t;
141. varzz1=t.replace(/[/(/)]/g,"");
142. varzz2=t.replace(/[/(/)]/g,"");
143. varzz3=t.replace(/[/(/)](?!)/g,"");
144. if(Math.abs(eval(zz1)-24)<=this.wx)
145. str=zz1;
146. elseif(Math.abs(eval(zz2)-24)<=this.wx)
147. str=zz2;
148. elseif(Math.abs(eval(zz3)-24)<=this.wx)
149. str=zz3;
150. varres=str.replace(//g,"")+"=24/n";
151. if(this.ssjg.indexOf(res)==-1)
152. this.ssjg+=res;
154. }
156. functionjclass.prototype.scda()
157. {
158. sskgxx.innerText="全部答案:/n"+this.ssjg;
159. }
161. functionjclass.prototype.gx(ss)
162. {
163. varsw1=ss.match(//(/g),sw2=ss.match(//)/g);
164. sw1=(sw1==null)?0:sw1.length;
165. sw2=(sw2==null)?0:sw2.length;
166. if(sw1!=sw2)
167. return"左右括号个数不一样";
168. if(!/^/(*(/d+)/)*[/+/-/*//]/(*(/d+)/)*[/+/-/*//]/(*(/d+)/)*[/+/-/*//]/(*(/d+)/)*$/.test(ss))
169. return"算术表达式格式不正确";
170. varstr="#"+RegExp.$1+"|#"+RegExp.$2+"|#"+RegExp.$3+"|#"+RegExp.$4+"|";
171. for(varii=0;ii<4;ii++)
172. {
173. varlok="#"+this.xpa[ii]+"|";
174. if(str.indexOf(lok)!=-1)
175. str=str.replace(lok,"");
176. else
177. return"算术表达式中数字不对";
178. }
179. return"yes";
180. }
183. //////////////////////////////////////////////////////////////
187. functionfpaaSystem()
188. {
189. if(jcsl!=null)
190. ggcs.phl();
191. jcsl=newjclass();
192. do{
193. jcsl.rnd();
194. jcsl.jw();
195. }while(jcsl.ssjg=="");
196. k_jg.innerText="";
197. sskgxx.innerText="";
198. gstext.value="";
199. jcsl.fapai();
200. }
202. functionfpaaInput()
203. {
204. varins=prompt("请输入四个数字（如:5,4,7,10）","");
205. if(ins==null)return;
206. if(!/^/d{1,2},/d{1,2},/d{1,2},/d{1,2}$/.test(ins)){alert("输入的内容不正确！");return;}
207. varvf=jcsl!=null;
208. jcsl=newjclass();
209. jcsl.xpa=ins.split(",");
210. jcsl.jw();
211. if(jcsl.ssjg==""){alert("此题无解！！！");return;}
213. if(vf)
214. ggcs.phl();
215. k_jg.innerText="";
216. sskgxx.innerText="";
217. gstext.value="";
218. jcsl.fapai();
219. }
222. functionckda()
223. {
224. if(jcsl==null)return;
225. ggcs.phl();
226. jcsl.scda();
227. jcsl=null;
228. }
230. functionokaa()
231. {
232. if(jcsl==null)return;
233. vargs=gstext.value;
234. varstr=jcsl.gx(gs);
235. if(str!="yes")
236. {
237. alert("算式错误："+str+"！");
238. return;
239. }
240. if(Math.abs(eval(gs)-24)<=jcsl.wx)
241. ggcs.pzq();
242. else
243. ggcs.pcw();
244. jcsl.scda();
245. jcsl=null;
246. }
250. functiontocs(n)
251. {
252. if(jcsl==null)return;
253. gstext.value+=jcsl.xpa[n];
254. }
257. </script>

谁能翻译下呢？

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