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average - 1546

 

https://www.acmicpc.net/problem/1546

my attempt


const input = require("fs").readFileSync("/dev/stdin").toString().split("\n");

const numSub = Number(input[0]);
const oriGrade = input[1].split(" ");
const m = Math.max(...oriGrade);

let fakeNum = [];
for (let grade of oriGrade) {
  fakeNum.push((grade / m* 100);
}

// calcurate the avg

const result = fakeNum / numSub;
console.log(result);



others solution 

const input = require("fs").readFileSync("/dev/stdin").toString().split("\n");

const numSub = Number(input[0]);

const oriGrade = input[1].split(" ").map((v=> v);
const m = Math.max(...oriGrade);

let fakeNum = [];
fakeNum = oriGrade.map(function (score) {
  return (score / m* 100;
});

let scoreSum = fakeNum.reduce(function (acccur) {
  return acc + cur;
}, 0);

// calcurate the avg

const result = scoreSum / numSub;
console.log(result);









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