招行信用卡2018春招笔试题解

let line=readline().split(" ");
line=line.map(i=>parseInt(i));
let n=line.shift();
line.sort((a,b)=>a-b);
if(line[0]!=0) console.log("0");
for(let i=0;i<line.length-1;i++){
    if(line[i+1]-line[i]>1){
        console.log(line[i]+1);
    }
}

let x=readline();
x=parseInt(x);
if(x<0) x=-x;
let i=1,dp=[];
dp[0]=0;
while(i<=x){
    if(!dp[i]&&dp[i+1])
        dp[i]=Math.min(dp[i-1],dp[i+1])+1;
    else if(!dp[i]&&!dp[i+1]){
        dp[i]=dp[i-1]+1;
    }
    dp[2*i]=dp[i]+1;
    i++;
}
console.log(dp[x]);

let n=readline();
n=parseInt(n);
function getNum(n){
    if(n<7) return index;
    let res=[];
    res[0]=1;
    let t2=0,t3=0,t5=0;
    for(let i=1;i<n;i++){
        res[i]=Math.min(...[res[t2]*2,res[t3]*3,res[t5]*5]);
        if(res[i]==res[t2]*2) t2++;
        if(res[i]==res[t3]*3) t3++;
        if(res[i]==res[t5]*5) t5++;
    }
    return res[n-1];
}
console.log(getNum(n));