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import { sum } from "../richest-customer-wealth/sum.ts";
export default function maxRotateFunction(nums: number[]): number {    const numSum = sum(nums);    const n = nums.length;    // let f=sum(nums.map((v,i)=>v*i))    let f = 0;    for (let i = 0; i < n; i++) {        f += i * nums[i];    }
    let res = f;
    // return nums.reduceRight(([f,res],v)=>{
    // f+=numSum-n*v    // res=Math.max(res,f)    // return [f,res]    // },[f,res])[1]    for (let i = n - 1; i > 0; i--) {        f += numSum - n * nums[i];        res = Math.max(res, f);    }    return res;}// function sum(a: Array<number>) {//     // return a.reduce((p, v) => p + v, 0);//     let r=0//     for(const v of a){//         r+=v//     }//     return r// }