牛牛与切割机

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void async function () {
    let n,list
    while(line = await readline()){
        if(n){
            list = line.split(' ').map(item=>parseInt(item))
        }else{
            n = parseInt(line)
        }
    }
    let minn = Infinity,right=list.reduce((pre,curr)=>pre+curr,0),left=0
    for(let i=0;i<list.length-1;i++){
        left+=list[i]
        right-=list[i]
        minn = Math.min(minn,left*right)
    }
    console.log(minn)
}()