알고리즘 문제풀이 업데이트

Author: devbit4

part1/10.최댓값.txt

@@ -0,0 +1,16 @@
+const fs = require("fs")
+const input = fs.readFileSync("index.txt").toString().split("\n")
+
+
+let max=Number.MIN_SAFE_INTEGER
+let maxIndex;
+
+for(let i=0;i<input.length;i++){
+  if(input[i]>max){
+    max=Number(input[i])
+    maxIndex=i+1
+  }
+}
+
+console.log(max)
+console.log(maxIndex)

part1/11.평균은넘겠지.txt

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+const fs=require("fs")
+const input=fs.readFileSync("index.txt").toString().split("\n")
+
+const totalCnt=Number(input[0])
+
+let answer=""
+for(let i=1;i<=totalCnt;i++){
+  let arr=input[i].split(" ").map(Number)
+
+  let cnt = arr.shift()
+
+  let 평균=arr.reduce((a,b)=>a+b)/cnt
+
+  let 학생수=arr.filter(a=>a>평균).length
+
+  let 비율 =(학생수/cnt*100).toFixed(3)+"%"
+
+answer+=비율+"\n"
+  
+}

part1/5.합.txt

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+const fs = require("fs")
+const input = fs.readFileSync("index.txt").toString().split("\n")
+
+const number=Number(input[0])
+
+let sum=0;
+for(let i=1;i<=number;i++){
+  sum+=i
+}
+
+console.log(sum)

part1/6.빠른A+B.txt

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+const fs = require("fs")
+const input = fs.readFileSync("/dev/stdin").toString().split("\n")
+
+const count=Number(input[0])
+
+
+let answer=""
+for(let i=1;i<=count;i++){
+ answer+=input[i].split(" ").reduce((a,b)=>Number(a)+Number(b))+"\n"
+}
+
+console.log(answer)

part1/7.최소최대.txt

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+const fs = require("fs")
+const input = fs.readFileSync("/dev/stdin").toString().split("\n")
+
+const arr=input[1].split(" ").map(Number)
+
+console.log(Math.min(...arr),Math.max(...arr))

part1/8.별찍기.txt

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+const fs = require("fs")
+const input = fs.readFileSync("/dev/stdin").toString().split("\n")
+
+const number=Number(input[0])
+
+for(let i=1; i<=number;i++){
+  let star=""
+  for(let j=1;j<=i;j++){
+    star+="*"
+  }
+  console.log(star)
+}

part1/9.최대최소.txt

@@ -0,0 +1,6 @@
+const fs = require("fs")
+const input = fs.readFileSync("index.txt").toString().split("\n")
+
+const arr=input[1].split(" ").map(Number)
+
+console.log(Math.min(...arr),Math.max(...arr))