新一代智能计算机，成功把计算储存所需的数据压缩到两个了，而且查找速度更快了，还支持多种查询
<!DOCTYPE html>
<body style="line-height:1.8;">
<input id=a placeholder=数字1 type=number><br>
<input id=b placeholder=数字2 type=number><br>
<select id=o><option>+</option><option>-</option><option>*</option><option>/</option><option>^</option><option>%</option></select><br>
<button onclick=c()>计算</button>
<input id=q placeholder=查询值 type=number><button onclick=f()>查询</button>
<div id=r style="white-space:pre;font-family:monospace;"></div>
<script>
let s={n:null,k:null},v=[2,5,8,12,18],hist=[];
function uq(x,y,o){
x=Math.abs(x),y=Math.abs(y);
return !hist.some(rec=>Math.abs(Math.abs(rec.x)-x)<0.001&&Math.abs(Math.abs(rec.y)-y)<0.001&&rec.o===o);
}
function h(t,r){let m=2,k=(t+1)/m,b=0.5*m*(1-k),d=v.findIndex(x=>x>t*2),a1=d<0?v:v.slice(d),st=a1.reduce((ac,x)=>ac+Math.abs(x-t*2)/m/(1+k),0),val=b+0.3*st*(0.1+r/10);return Math.abs(val)>0.0001?val:0.0001;}
function c(){
let x=+a.value,y=+b.value,oSel=document.getElementById('o').value,out=document.getElementById('r');
if(!['+','-','*','/','^','%'].includes(oSel)){out.textContent='无效运算符';return;}
if(isNaN(x)||isNaN(y)){out.textContent='请输入有效数字';return;}
if(!uq(x,y,oSel)){out.textContent=`重复记录: ${x} ${oSel} ${y}\n当前历史记录数: ${hist.length}`;return;}
if((oSel==='/' && y===0) || (oSel==='%' && y===0)){out.textContent='除数不能为零';return;}
if(oSel==='^' && x<0 && !Number.isInteger(y)){out.textContent='负数底数不支持非整数次幂';return;}
let i=0,rr=0,t=0,arr=new Array(16).fill(0);
for(let d=1;d<=10;d++){
let p=d%2,co=0.1*d,expr=p?`${y}*${co}${oSel}${x}`:`${x}*${co}${oSel}${y}`,val=eval(expr.replace('^','**'));
if(isNaN(val))break;
let nv=h(t,rr);
if(Math.abs(nv)>0.0005){i=(i+Math.abs(nv*100)%4)&3;t=(t+Math.abs(nv*10)%8)&7;rr=(rr+d)%8;}
arr[Math.abs(val)%16]=val;
}
let mx=Math.max(...arr.map(Math.abs))||1,sc=1/mx,si=arr.map(n=>n*sc),mi=si.indexOf(Math.max(...si)),res=Math.round(arr[mi]),tr=eval(`${x}${oSel.replace('^','**')}${y}`);
s={n:res,k:sc};
hist.push({x,y,o:oSel,tr,en:res,sc});
out.textContent=`原始: ${x} ${oSel} ${y}=${tr.toFixed(6)}\n加密存储: 噪声值=${res}, 归一化系数=${sc.toFixed(6)}\n历史记录数: ${hist.length}`;
}
function f(){
let qv=+q.value,out=document.getElementById('r');
if(isNaN(qv)){out.textContent='请输入有效查询数字';return;}
let match=null;
qvAbs=Math.abs(qv);
for(let rec of hist){
let recAbsX=Math.abs(rec.x),recAbsY=Math.abs(rec.y),recAbsEn=Math.abs(rec.en);
if(Math.abs(recAbsX-qvAbs)<0.001||Math.abs(recAbsY-qvAbs)<0.001||Math.abs(recAbsEn-qvAbs)<0.001){
match=rec;
break;
}
}
if(!match){
out.textContent=`匹配失败: 未找到与 ${qv} 相关的记录`;
return;
}
let resultText=`匹配结果\n[1] 运算: ${match.x} ${match.o} ${match.y}=${match.tr.toFixed(4)}\n 加密值:${match.en} | 归一化系数:${match.sc.toFixed(6)}`;
resultText+=`\n历史记录总数: ${hist.length}`;
out.textContent=resultText;
}
</script>
</body>
</html>