From fffcef5c77f4bcec193db4ff86af431ab6ec20b1 Mon Sep 17 00:00:00 2001
From: beurmuz <fallinta2@gmail.com>
Date: Sat, 13 Aug 2022 13:39:06 +0900
Subject: [PATCH] =?UTF-8?q?#18=2022.08.13=20>=201=20>=20=ED=9A=8C=EC=9D=98?=
 =?UTF-8?q?=EC=8B=A4=20=EB=B0=B0=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/bj/silver/1/1931_re.js | 28 ++++++++++++++++++++++++++++
 src/bj/silver/1/README.md  |  2 +-
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 src/bj/silver/1/1931_re.js

diff --git a/src/bj/silver/1/1931_re.js b/src/bj/silver/1/1931_re.js
new file mode 100644
index 00000000..ded3cdc2
--- /dev/null
+++ b/src/bj/silver/1/1931_re.js
@@ -0,0 +1,28 @@
+'use strict';
+
+const inputs = require('fs').readFileSync('/dev/stdin').toString().trim().split('\n');
+const n = inputs.shift();
+let timeTable = [];
+inputs.forEach((line) => {
+    let [start, end] = line.split(' ');
+    timeTable.push([+start, +end]);
+});
+
+timeTable.sort((a, b)=> {
+    if(a[1] === b[1]) {
+        return a[0]-b[0];
+    }
+    return a[1]-b[1];
+});
+
+
+const answer = [];
+let endTime = 0;
+for(let [start, end] of timeTable) {
+    if(start >= endTime) { // 현재 시간이, 그 전 endTime보다 크거나 같다면
+        answer.push([start, end]);
+        endTime = end;
+    }
+}
+
+console.log(answer.length);
\ No newline at end of file
diff --git a/src/bj/silver/1/README.md b/src/bj/silver/1/README.md
index 0d5d04ed..04a8af7c 100644
--- a/src/bj/silver/1/README.md
+++ b/src/bj/silver/1/README.md
@@ -1,4 +1,4 @@
 # Silver 1
 ||문제번호|문제명|응시 날짜|채점 결과|링크|
 |:-:|:--:|:--:|:---:|:---:|--|
-|1|1913|[회의실 배정](./1931.js)|22.08.12|한번 더 풀기||
+|1|1913|[회의실 배정](./1931.js)|22.08.12|[22.08.13](./1931_re.js)||