๐Ÿ—๏ธ Algorithm/๐ŸŸฉ ๋ฐฑ์ค€ 227

๐ŸŸฉ [๋ฐฑ์ค€] [Java] [Silver3] 14501๋ฒˆ_ํ‡ด์‚ฌ

๋ฌธ์ œ https://www.acmicpc.net/problem/14501 14501๋ฒˆ: ํ‡ด์‚ฌ ์ฒซ์งธ ์ค„์— ๋ฐฑ์ค€์ด๊ฐ€ ์–ป์„ ์ˆ˜ ์žˆ๋Š” ์ตœ๋Œ€ ์ด์ต์„ ์ถœ๋ ฅํ•œ๋‹ค. www.acmicpc.net ํ’€์ด package Baekjoon; import java.io.*; import java.util.*; public class B_14501 { public static void main (String[] args) throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int N = Integer.parseInt(br.readLine()); int[] t = new int[N]; int[] p = new int[N..

๐ŸŸฉ [๋ฐฑ์ค€] [Java] [Silver2] 1874๋ฒˆ_์Šคํƒ ์ˆ˜์—ด

๋ฌธ์ œ https://www.acmicpc.net/problem/1874 1874๋ฒˆ: ์Šคํƒ ์ˆ˜์—ด 1๋ถ€ํ„ฐ n๊นŒ์ง€์— ์ˆ˜์— ๋Œ€ํ•ด ์ฐจ๋ก€๋กœ [push, push, push, push, pop, pop, push, push, pop, push, push, pop, pop, pop, pop, pop] ์—ฐ์‚ฐ์„ ์ˆ˜ํ–‰ํ•˜๋ฉด ์ˆ˜์—ด [4, 3, 6, 8, 7, 5, 2, 1]์„ ์–ป์„ ์ˆ˜ ์žˆ๋‹ค. www.acmicpc.net ํ’€์ด import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import java.util.Stack; pub..

๐ŸŸฉ [๋ฐฑ์ค€] [Java] [Silver3] 1966๋ฒˆ_ํ”„๋ฆฐํ„ฐ ํ

๋ฌธ์ œ https://www.acmicpc.net/problem/1966 1966๋ฒˆ: ํ”„๋ฆฐํ„ฐ ํ ์—ฌ๋Ÿฌ๋ถ„๋„ ์•Œ๋‹ค์‹œํ”ผ ์—ฌ๋Ÿฌ๋ถ„์˜ ํ”„๋ฆฐํ„ฐ ๊ธฐ๊ธฐ๋Š” ์—ฌ๋Ÿฌ๋ถ„์ด ์ธ์‡„ํ•˜๊ณ ์ž ํ•˜๋Š” ๋ฌธ์„œ๋ฅผ ์ธ์‡„ ๋ช…๋ น์„ ๋ฐ›์€ ‘์ˆœ์„œ๋Œ€๋กœ’, ์ฆ‰ ๋จผ์ € ์š”์ฒญ๋œ ๊ฒƒ์„ ๋จผ์ € ์ธ์‡„ํ•œ๋‹ค. ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๋ฌธ์„œ๊ฐ€ ์Œ“์ธ๋‹ค๋ฉด Queue ์ž๋ฃŒ๊ตฌ์กฐ์— www.acmicpc.net ํ’€์ด import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Collections; import java.util.LinkedList; import java.util.Queue; import java.util.StringTokenizer; public cl..

๐ŸŸฉ [๋ฐฑ์ค€] [Java] [Silver4] 10866_๋ฑ

๋ฌธ์ œ https://www.acmicpc.net/problem/10866 10866๋ฒˆ: ๋ฑ ์ฒซ์งธ ์ค„์— ์ฃผ์–ด์ง€๋Š” ๋ช…๋ น์˜ ์ˆ˜ N (1 ≤ N ≤ 10,000)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘˜์งธ ์ค„๋ถ€ํ„ฐ N๊ฐœ์˜ ์ค„์—๋Š” ๋ช…๋ น์ด ํ•˜๋‚˜์”ฉ ์ฃผ์–ด์ง„๋‹ค. ์ฃผ์–ด์ง€๋Š” ์ •์ˆ˜๋Š” 1๋ณด๋‹ค ํฌ๊ฑฐ๋‚˜ ๊ฐ™๊ณ , 100,000๋ณด๋‹ค ์ž‘๊ฑฐ๋‚˜ ๊ฐ™๋‹ค. ๋ฌธ์ œ์— ๋‚˜์™€์žˆ์ง€ www.acmicpc.net ํ’€์ด import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.nio.Buffer; import java.util.*; public class ๋ฑ { public static void main(String[] args) throws IOExcept..

๐ŸŸฉ [๋ฐฑ์ค€] [Java] [Silver2] 1260๋ฒˆ_DFS์™€ BFS

๋ฌธ์ œ https://www.acmicpc.net/problem/1260 1260๋ฒˆ: DFS์™€ BFS ์ฒซ์งธ ์ค„์— ์ •์ ์˜ ๊ฐœ์ˆ˜ N(1 ≤ N ≤ 1,000), ๊ฐ„์„ ์˜ ๊ฐœ์ˆ˜ M(1 ≤ M ≤ 10,000), ํƒ์ƒ‰์„ ์‹œ์ž‘ํ•  ์ •์ ์˜ ๋ฒˆํ˜ธ V๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ๋‹ค์Œ M๊ฐœ์˜ ์ค„์—๋Š” ๊ฐ„์„ ์ด ์—ฐ๊ฒฐํ•˜๋Š” ๋‘ ์ •์ ์˜ ๋ฒˆํ˜ธ๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ์–ด๋–ค ๋‘ ์ •์  ์‚ฌ www.acmicpc.net ํ’€์ด import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; public class Main { static int[][] arr; static boolean[] visited; public static void main(String[] args) { Scanner sc..

๐ŸŸฉ [๋ฐฑ์ค€] [Java] [Silver5] 2941๋ฒˆ_ํฌ๋กœ์•„ํ‹ฐ์•„ ์•ŒํŒŒ๋ฒณ

๋ฌธ์ œ https://www.acmicpc.net/problem/2941 2941๋ฒˆ: ํฌ๋กœ์•„ํ‹ฐ์•„ ์•ŒํŒŒ๋ฒณ ์˜ˆ์ „์—๋Š” ์šด์˜์ฒด์ œ์—์„œ ํฌ๋กœ์•„ํ‹ฐ์•„ ์•ŒํŒŒ๋ฒณ์„ ์ž…๋ ฅํ•  ์ˆ˜๊ฐ€ ์—†์—ˆ๋‹ค. ๋”ฐ๋ผ์„œ, ๋‹ค์Œ๊ณผ ๊ฐ™์ด ํฌ๋กœ์•„ํ‹ฐ์•„ ์•ŒํŒŒ๋ฒณ์„ ๋ณ€๊ฒฝํ•ด์„œ ์ž…๋ ฅํ–ˆ๋‹ค. ํฌ๋กœ์•„ํ‹ฐ์•„ ์•ŒํŒŒ๋ฒณ ๋ณ€๊ฒฝ ฤ c= ฤ‡ c- dลพ dz= ฤ‘ d- lj lj nj nj š s= ลพ z= www.acmicpc.net ํ’€์ด import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; public class ํฌ๋กœ์•„ํ‹ฐ์•„์•ŒํŒŒ๋ฒณ { public static void main(String[] args) throws IOException { BufferedReader br =..

๐ŸŸฉ [๋ฐฑ์ค€] [Java] [Silver5] 1316๋ฒˆ_๊ทธ๋ฃน ๋‹จ์–ด ์ฒด์ปค

๋ฌธ์ œ https://www.acmicpc.net/problem/1316 1316๋ฒˆ: ๊ทธ๋ฃน ๋‹จ์–ด ์ฒด์ปค ๊ทธ๋ฃน ๋‹จ์–ด๋ž€ ๋‹จ์–ด์— ์กด์žฌํ•˜๋Š” ๋ชจ๋“  ๋ฌธ์ž์— ๋Œ€ํ•ด์„œ, ๊ฐ ๋ฌธ์ž๊ฐ€ ์—ฐ์†ํ•ด์„œ ๋‚˜ํƒ€๋‚˜๋Š” ๊ฒฝ์šฐ๋งŒ์„ ๋งํ•œ๋‹ค. ์˜ˆ๋ฅผ ๋“ค๋ฉด, ccazzzzbb๋Š” c, a, z, b๊ฐ€ ๋ชจ๋‘ ์—ฐ์†ํ•ด์„œ ๋‚˜ํƒ€๋‚˜๊ณ , kin๋„ k, i, n์ด ์—ฐ์†ํ•ด์„œ ๋‚˜ํƒ€๋‚˜๊ธฐ ๋•Œ www.acmicpc.net ํ’€์ด import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; public class ๊ทธ๋ฃน๋‹จ์–ด์ฒด์ปค { static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); pub..

๐ŸŸฉ [๋ฐฑ์ค€] [Java] [Silver5] 4673๋ฒˆ_์…€ํ”„ ๋„˜๋ฒ„

๋ฌธ์ œ https://www.acmicpc.net/problem/4673 4673๋ฒˆ: ์…€ํ”„ ๋„˜๋ฒ„ ์…€ํ”„ ๋„˜๋ฒ„๋Š” 1949๋…„ ์ธ๋„ ์ˆ˜ํ•™์ž D.R. Kaprekar๊ฐ€ ์ด๋ฆ„ ๋ถ™์˜€๋‹ค. ์–‘์˜ ์ •์ˆ˜ n์— ๋Œ€ํ•ด์„œ d(n)์„ n๊ณผ n์˜ ๊ฐ ์ž๋ฆฌ์ˆ˜๋ฅผ ๋”ํ•˜๋Š” ํ•จ์ˆ˜๋ผ๊ณ  ์ •์˜ํ•˜์ž. ์˜ˆ๋ฅผ ๋“ค์–ด, d(75) = 75+7+5 = 87์ด๋‹ค. ์–‘์˜ ์ •์ˆ˜ n์ด ์ฃผ์–ด์กŒ์„ ๋•Œ, www.acmicpc.net ํ’€์ด public class ์…€ํ”„๋„˜๋ฒ„ { public static void main(String[] args) { boolean[] check = new boolean[10001]; for (int i = 1; i < 10001; i++){ int n = d(i); if(n < 10001){ check[n] = true; } } StringB..

๐ŸŸฉ [๋ฐฑ์ค€] [Python] [Silver1] 13335๋ฒˆ_ํŠธ๋Ÿญ

๋ฌธ์ œ https://www.acmicpc.net/problem/13335 13335๋ฒˆ: ํŠธ๋Ÿญ ์ž…๋ ฅ ๋ฐ์ดํ„ฐ๋Š” ํ‘œ์ค€์ž…๋ ฅ์„ ์‚ฌ์šฉํ•œ๋‹ค. ์ž…๋ ฅ์€ ๋‘ ์ค„๋กœ ์ด๋ฃจ์–ด์ง„๋‹ค. ์ž…๋ ฅ์˜ ์ฒซ ๋ฒˆ์งธ ์ค„์—๋Š” ์„ธ ๊ฐœ์˜ ์ •์ˆ˜ n (1 ≤ n ≤ 1,000) , w (1 ≤ w ≤ 100) and L (10 ≤ L ≤ 1,000)์ด ์ฃผ์–ด์ง€๋Š”๋ฐ, n์€ ๋‹ค๋ฆฌ๋ฅผ ๊ฑด๋„ˆ๋Š” ํŠธ www.acmicpc.net ํ’€์ด # ๋ฐฑ์ค€ 13335๋ฒˆ ๋ฌธ์ œ - ํŠธ๋Ÿญ n, w, l = map(int, input().split()) trucks = list(map(int, input().split())) bridge = [0] * w time = 0 while bridge: time += 1 bridge.pop(0) if trucks: if sum(bridge) + t..

๐ŸŸฉ [๋ฐฑ์ค€] [Python] [Gold4] 15685๋ฒˆ_๋“œ๋ž˜๊ณค ์ปค๋ธŒ

๋ฌธ์ œ https://www.acmicpc.net/problem/15685 15685๋ฒˆ: ๋“œ๋ž˜๊ณค ์ปค๋ธŒ ์ฒซ์งธ ์ค„์— ๋“œ๋ž˜๊ณค ์ปค๋ธŒ์˜ ๊ฐœ์ˆ˜ N(1 ≤ N ≤ 20)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘˜์งธ ์ค„๋ถ€ํ„ฐ N๊ฐœ์˜ ์ค„์—๋Š” ๋“œ๋ž˜๊ณค ์ปค๋ธŒ์˜ ์ •๋ณด๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ๋“œ๋ž˜๊ณค ์ปค๋ธŒ์˜ ์ •๋ณด๋Š” ๋„ค ์ •์ˆ˜ x, y, d, g๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ๋‹ค. x์™€ y๋Š” ๋“œ๋ž˜๊ณค ์ปค www.acmicpc.net ํ’€์ด #๋ฐฑ์ค€ 15685๋ฒˆ ๋ฌธ์ œ - ๋“œ๋ž˜๊ณค ์ปค๋ธŒ import sys input = sys.stdin.readline n = int(input()) dx = [1,0,-1,0] dy = [0,-1,0,1] # ์ขŒํ‘œ๊ฐ€ ๋“œ๋ž˜๊ณค ์ปค๋ธŒ์— ํฌํ•จ์ด ๋˜๋Š”์ง€ ์ฒดํฌํ•ด์ค„ ๋ฆฌ์ŠคํŠธ check = [[0] * (101) for _ in range(101)] for _ in range(n): ..