From bbece398fd3afa3a2a261b23c11add423d08dd9d Mon Sep 17 00:00:00 2001 From: naryeong-ko Date: Tue, 21 Jun 2022 19:07:23 +0900 Subject: [PATCH 1/2] =?UTF-8?q?220621=5Fsolve=20:=20=EB=82=98=EB=A8=B8?= =?UTF-8?q?=EC=A7=80=EA=B0=80=201=EC=9D=B4=20=EB=90=98=EB=8A=94=20?= =?UTF-8?q?=EC=88=98=20=EC=B0=BE=EA=B8=B0=5Fko?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...12\224 \354\210\230 \354\260\276\352\270\260_ko.java" | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 "0621/Programmers/Lv1/\353\202\230\353\250\270\354\247\200\352\260\200 1\354\235\264 \353\220\230\353\212\224 \354\210\230 \354\260\276\352\270\260_ko.java" diff --git "a/0621/Programmers/Lv1/\353\202\230\353\250\270\354\247\200\352\260\200 1\354\235\264 \353\220\230\353\212\224 \354\210\230 \354\260\276\352\270\260_ko.java" "b/0621/Programmers/Lv1/\353\202\230\353\250\270\354\247\200\352\260\200 1\354\235\264 \353\220\230\353\212\224 \354\210\230 \354\260\276\352\270\260_ko.java" new file mode 100644 index 0000000..10c0563 --- /dev/null +++ "b/0621/Programmers/Lv1/\353\202\230\353\250\270\354\247\200\352\260\200 1\354\235\264 \353\220\230\353\212\224 \354\210\230 \354\260\276\352\270\260_ko.java" @@ -0,0 +1,9 @@ +class Solution { + public int solution(int n) { + for (int i = 2; i < n; i++) { + if (n % i == 1) + return i; + } + return -1; + } +} \ No newline at end of file From 8a2afb5b60d7581f28627c9f77ccc781459b6500 Mon Sep 17 00:00:00 2001 From: naryeong-ko Date: Tue, 21 Jun 2022 19:07:43 +0900 Subject: [PATCH 2/2] =?UTF-8?q?220621=5Fsolve=20:=20=EC=A7=9D=EC=A7=80?= =?UTF-8?q?=EC=96=B4=20=EC=A0=9C=EA=B1=B0=ED=95=98=EA=B8=B0=5Fko?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...2\261\260\355\225\230\352\270\260_ko.java" | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 "0621/Programmers/Lv2/\354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260\355\225\230\352\270\260_ko.java" diff --git "a/0621/Programmers/Lv2/\354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260\355\225\230\352\270\260_ko.java" "b/0621/Programmers/Lv2/\354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260\355\225\230\352\270\260_ko.java" new file mode 100644 index 0000000..aa0c91c --- /dev/null +++ "b/0621/Programmers/Lv2/\354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260\355\225\230\352\270\260_ko.java" @@ -0,0 +1,20 @@ +import java.util.Stack; + +class Solution { + public int solution(String s) { + Stack stack = new Stack<>(); + + for (char c : s.toCharArray()) { + if (stack.isEmpty()) + stack.push(c); + else if (stack.peek() == c) + stack.pop(); + else + stack.push(c); + } + + if (!stack.isEmpty()) + return 0; + return 1; + } +} \ No newline at end of file