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์ „์ฒด ๊ธ€271

[baekjoon]python #2164 ์นด๋“œ2 https://www.acmicpc.net/problem/2164 2164๋ฒˆ: ์นด๋“œ2 N์žฅ์˜ ์นด๋“œ๊ฐ€ ์žˆ๋‹ค. ๊ฐ๊ฐ์˜ ์นด๋“œ๋Š” ์ฐจ๋ก€๋กœ 1๋ถ€ํ„ฐ N๊นŒ์ง€์˜ ๋ฒˆํ˜ธ๊ฐ€ ๋ถ™์–ด ์žˆ์œผ๋ฉฐ, 1๋ฒˆ ์นด๋“œ๊ฐ€ ์ œ์ผ ์œ„์—, N๋ฒˆ ์นด๋“œ๊ฐ€ ์ œ์ผ ์•„๋ž˜์ธ ์ƒํƒœ๋กœ ์ˆœ์„œ๋Œ€๋กœ ์นด๋“œ๊ฐ€ ๋†“์—ฌ ์žˆ๋‹ค. ์ด์ œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๋™์ž‘์„ ์นด๋“œ๊ฐ€ www.acmicpc.net [baekjoon]python #2164 ์นด๋“œ2 import sys from collections import deque input = sys.stdin.readline n = int(input()) arr=deque() for i in reversed(range(n)): arr.append(i+1) while True: if len(arr)==1: break arr.pop() temp = arr.. 2022. 5. 31.
deque deque ๋ฐํฌ(deque)์˜ ๊ฐœ๋… - ๋ณดํ†ต์˜ ํ(queue)๋Š” ์„ ์ž…์„ ์ถœ(FIFO)๋กœ ์ž‘๋™ - deque๋Š” ์–‘๋ฐฉํ–ฅํ! - ์•ž, ๋’ค ์–‘์ชฝ ๋ฐฉํ–ฅ์—์„œ element๋ฅผ ์ถ”๊ฐ€ํ•˜๊ฑฐ๋‚˜ ์ œ๊ฑฐ ๊ฐ€๋Šฅ - ๋ฐํฌ๋Š” ์–‘ ๋ element์˜ append์™€ pop์ด ์••๋„์ ์œผ๋กœ ๋น ๋ฆ„ - ์ปจํ…Œ์ด๋„ˆ์˜ ์–‘๋ element์— ์ ‘๊ทผํ•ด ์‚ฝ์ž… ๋˜๋Š” ์ œ๊ฑฐ๋ฅผ ํ•  ๊ฒฝ์šฐ, ์ผ๋ฐ˜์ ์ธ ๋ฆฌ์ŠคํŠธ(list)๊ฐ€ ์ด๋Ÿฌํ•œ ์—ฐ์‚ฐ์— O(n)์ด ์†Œ์š”๋˜๋Š”๋ฐ ๋ฐ˜ํ•ด, ๋ฐํฌ(deque)๋Š” O(1)๋กœ ์ ‘๊ทผ ๊ฐ€๋Šฅ ๋ฐํฌ(deque) ์‚ฌ์šฉ๋ฒ• - deque๋Š” importํ•ด์„œ ์‚ฌ์šฉํ•ด์•ผํ•œ๋‹ค! from collectinos import deque deq = deque() #item์„ ๋ฐํฌ์˜ ์™ผ์ชฝ ๋์— ์‚ฝ์ž… deq.appendleft(item) #item์„ ๋ฐํฌ์˜ ์˜ค๋ฅธ์ชฝ ๋์— ์‚ฝ์ž… deq.ap.. 2022. 5. 31.
[baekjoon]python #10828 ์Šคํƒ, #10845 ํ, #10866 ๋ฑ https://www.acmicpc.net/problem/10828 10828๋ฒˆ: ์Šคํƒ ์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 n=int(input()) arr = [] for i in range(n): arr.append(input().split()) stack = [] for i in range(n): if arr[i][0] == 'push': stack.append(arr[i][1]) elif arr[i][0] == 'size': print(len(stack)) elif arr[i][0] == 'e.. 2022. 5. 31.
[baekjoon]python #5545 ์ตœ๊ณ ์˜ ํ”ผ์ž https://www.acmicpc.net/problem/5545 5545๋ฒˆ: ์ตœ๊ณ ์˜ ํ”ผ์ž ์ฒซ์งธ ์ค„์— ํ† ํ•‘์˜ ์ข…๋ฅ˜์˜ ์ˆ˜ N(1 ≤ N ≤ 100)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘˜์งธ ์ค„์—๋Š” ๋„์šฐ์˜ ๊ฐ€๊ฒฉ A์™€ ํ† ํ•‘์˜ ๊ฐ€๊ฒฉ B๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. (1 ≤ A, B ≤ 1000) ์…‹์งธ ์ค„์—๋Š” ๋„์šฐ์˜ ์—ด๋Ÿ‰ C๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. (1 ≤ C ≤ 10000) ๋‹ค์Œ ์ค„ www.acmicpc.net ๋ฐฑ์ค€ 5545 : ์ตœ๊ณ ์˜ ํ”ผ์ž (ํŒŒ์ด์ฌ) N = int(input()) #ํ† ํ•‘์ข…๋ฅ˜์˜ ์ˆ˜ A,B=map(int,input().split()) #๋„์šฐ๊ฐ€๊ฒฉ, ํ† ํ•‘๊ฐ€๊ฒฉ C = int(input()) #๋„์šฐ์˜ ์—ด๋Ÿ‰ topping = [] #ํ† ํ•‘ ์—ด๋Ÿ‰ LIST result=0 #1์›๋‹น ์ตœ๋Œ€ ์—ด๋Ÿ‰์„ ์–ป๊ธฐ์œ„ํ•ด 0์œผ๋กœ ์ดˆ๊ธฐํ™” for i in range(N): toppi.. 2022. 5. 30.
[baekjoon]python #11055 ๊ฐ€์žฅ ํฐ ์ฆ๊ฐ€ ๋ถ€๋ถ„ ์ˆ˜์—ด https://www.acmicpc.net/problem/11055 11055๋ฒˆ: ๊ฐ€์žฅ ํฐ ์ฆ๊ฐ€ ๋ถ€๋ถ„ ์ˆ˜์—ด ์ˆ˜์—ด A๊ฐ€ ์ฃผ์–ด์กŒ์„ ๋•Œ, ๊ทธ ์ˆ˜์—ด์˜ ์ฆ๊ฐ€ ๋ถ€๋ถ„ ์ˆ˜์—ด ์ค‘์—์„œ ํ•ฉ์ด ๊ฐ€์žฅ ํฐ ๊ฒƒ์„ ๊ตฌํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์ˆ˜์—ด A = {1, 100, 2, 50, 60, 3, 5, 6, 7, 8} ์ธ ๊ฒฝ์šฐ์— ํ•ฉ์ด ๊ฐ€์žฅ ํฐ ์ฆ๊ฐ€ ๋ถ€๋ถ„ ์ˆ˜ www.acmicpc.net n = int(input()) arr = list(map(int,input().split())) dp = arr.copy() result=0 for i in range(n): #ํ˜„์žฌ idx์™€ ์ด์ „ idx ๋น„๊ต for j in range(i): #์ฆ๊ฐ€ํ•˜๋Š” ๋ถ€๋ถ„ ์ˆ˜์—ด & now dp < ์ด์ „์˜ ํ•ฉ+now arr if arr[j] < arr[i.. 2022. 5. 20.
[baekjoon]python #11053 ๊ฐ€์žฅ ๊ธด ์ฆ๊ฐ€ํ•˜๋Š” ๋ถ€๋ถ„ ์ˆ˜์—ด https://www.acmicpc.net/problem/11053 11053๋ฒˆ: ๊ฐ€์žฅ ๊ธด ์ฆ๊ฐ€ํ•˜๋Š” ๋ถ€๋ถ„ ์ˆ˜์—ด ์ˆ˜์—ด A๊ฐ€ ์ฃผ์–ด์กŒ์„ ๋•Œ, ๊ฐ€์žฅ ๊ธด ์ฆ๊ฐ€ํ•˜๋Š” ๋ถ€๋ถ„ ์ˆ˜์—ด์„ ๊ตฌํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์ˆ˜์—ด A = {10, 20, 10, 30, 20, 50} ์ธ ๊ฒฝ์šฐ์— ๊ฐ€์žฅ ๊ธด ์ฆ๊ฐ€ํ•˜๋Š” ๋ถ€๋ถ„ ์ˆ˜์—ด์€ A = {10, 20, 10, 30, 20, 50} ์ด www.acmicpc.net n = int(input()) arr = list(map(int,input().split())) dp=[1]*n for i in range(1,n): for j in range(i): if arr[j] < arr[i]: dp[i] = max(dp[i],dp[j]+1) result = max(dp) print(result) 2022. 5. 20.
[baekjoon]python #7562 ๋‚˜์ดํŠธ์˜ ์ด๋™ https://www.acmicpc.net/problem/7562 7562๋ฒˆ: ๋‚˜์ดํŠธ์˜ ์ด๋™ ์ฒด์ŠคํŒ ์œ„์— ํ•œ ๋‚˜์ดํŠธ๊ฐ€ ๋†“์—ฌ์ ธ ์žˆ๋‹ค. ๋‚˜์ดํŠธ๊ฐ€ ํ•œ ๋ฒˆ์— ์ด๋™ํ•  ์ˆ˜ ์žˆ๋Š” ์นธ์€ ์•„๋ž˜ ๊ทธ๋ฆผ์— ๋‚˜์™€์žˆ๋‹ค. ๋‚˜์ดํŠธ๊ฐ€ ์ด๋™ํ•˜๋ ค๊ณ  ํ•˜๋Š” ์นธ์ด ์ฃผ์–ด์ง„๋‹ค. ๋‚˜์ดํŠธ๋Š” ๋ช‡ ๋ฒˆ ์›€์ง์ด๋ฉด ์ด ์นธ์œผ๋กœ ์ด๋™ํ•  ์ˆ˜ www.acmicpc.net from collections import deque def bfs(y,x,m): global Max q = deque() q.append((y,x,m)) #๋ฐฉ๋ฌธ ์ฒดํฌ๋ฅผ ์œ„ํ•œ visit๋ฐฐ์—ด visit=[[0]*n for _ in range(n)] visit[y][x] = 1 while q: ny,nx,nm = q.popleft() #์›€์ง์ž„ ๊ฐฑ์‹ ํ•ด ์ตœ๋‹จ๊ฒฝ๋กœ ์ฐพ๊ธฐ if Max 2022. 5. 20.
[baekjoon]python #14494 ๋‹ค์ด๋‚˜๋ฏน์ด ๋ญ์˜ˆ์š”? https://www.acmicpc.net/problem/14494 14494๋ฒˆ: ๋‹ค์ด๋‚˜๋ฏน์ด ๋ญ์˜ˆ์š”? (1, 1)์—์„œ (n, m)์— ๋„๋‹ฌํ•˜๋Š” ๊ฒฝ์šฐ์˜ ์ˆ˜๋ฅผ ๊ตฌํ•˜์—ฌ๋ผ. ๋‹จ, ๊ฒฝ์šฐ์˜ ์ˆ˜๊ฐ€ ์—„์ฒญ ์ปค์งˆ ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ ๊ฒฝ์šฐ์˜ ์ˆ˜๋ฅผ 1,000,000,007(=109+7)๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. www.acmicpc.net n,m = map(int,input().split()) arr = [[0]*(m+1) for _ in range(n+1)] arr[1][1] = 1 for y in range(1,n+1): for x in range(1,m+1): if x==1 and y==1:continue arr[y][x] = arr[y][x-1]+arr[y-1][x]+arr[y-1][x-1] print(arr[n][m]%10.. 2022. 5. 18.
[baekjoon]python #14606 ํ”ผ์ž (Small) https://www.acmicpc.net/problem/14606 14606๋ฒˆ: ํ”ผ์ž (Small) ์˜ˆ์ œ1์˜ ์ž…๋ ฅ์ด 1์ด๋ฏ€๋กœ, ๊ฒŒ์ž„ ์‹œ์ž‘๋ถ€ํ„ฐ ๊ฐ‘์ด ๋ถ„๋ฆฌํ•  ์ˆ˜ ์žˆ๋Š” ํ”ผ์žํƒ‘์ด ์—†์Šต๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ ๊ฐ‘์ด ์–ป๋Š” ์ฆ๊ฑฐ์›€์€ 0์ž…๋‹ˆ๋‹ค. ์˜ˆ์ œ2์˜ ์ •๋‹ต 3์€ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ณผ์ •์„ ํ†ตํ•ด ์–ป์–ด์ง‘๋‹ˆ๋‹ค. ๋จผ์ € ๋†€์ด๋ฅผ ์‹œ์ž‘ www.acmicpc.net ๐ŸŽˆ๊ฐ box์˜ ์ธต ์ˆ˜์— ๋”ฐ๋ผ ์ตœ๋Œ“๊ฐ’์„ ๊ณ„์‚ฐํ•ด๋ณด๋‹ˆ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ทœ์น™์„ ๋ฐœ๊ฒฌํ•  ์ˆ˜ ์žˆ์—ˆ๋‹ค. ๐ŸŽˆ์ด ๊ทœ์น™์„ ๊ทธ๋Œ€๋กœ ์ฝ”๋“œ์— ์ ์šฉ์‹œ์ผœ๋ณด์•˜๋‹ค. n = int(input()) arr = [0] #index์™€ box์˜ ์ธต์ˆ˜๋ฅผ ๋งž์ถ”๊ธฐ ์œ„ํ•ด 0๋ฒˆ index์— 0์„ ๋„ฃ์–ด arr ์ดˆ๊ธฐํ™” def pizza(box): if box == n: #๋‚ด๊ฐ€ ๊ตฌํ•˜๊ณ ์ž ํ•˜๋Š” n๊นŒ์ง€ ๋ฐฐ์—ด ์ฑ„์šฐ๊ณ  ๋ฆฌํ„ด arr.append(ar.. 2022. 5. 18.
Vue.js - Vuex Core Concepts ๐Ÿ”” Vuex Core Concepts |Vuex ํ•ต์‹ฌ ์ปจ์…‰ State Mutations Actions Getters |State “์ค‘์•™์—์„œ ๊ด€๋ฆฌํ•˜๋Š” ๋ชจ๋“  ์ƒํƒœ ์ •๋ณด (data)” Vuex๋Š” single state tree๋ฅผ ์‚ฌ์šฉ ์ฆ‰, ์ด ๋‹จ์ผ ๊ฐ์ฒด๋Š” ๋ชจ๋“  ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ƒํƒœ๋ฅผ ํฌํ•จํ•˜๋Š” “์›๋ณธ ์†Œ์Šค(single source of truth)”์˜ ์—ญํ• ์„ ํ•จ ์ด๋Š” ๊ฐ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜๋งˆ๋‹ค ํ•˜๋‚˜์˜ ์ €์žฅ์†Œ๋งŒ ๊ฐ–๊ฒŒ ๋œ๋‹ค๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•จ ์—ฌ๋Ÿฌ ์ปดํฌ๋„ŒํŠธ ๋‚ด๋ถ€์— ์žˆ๋Š” ํŠน์ • state๋ฅผ ์ค‘์•™์—์„œ ๊ด€๋ฆฌํ•˜๊ฒŒ ๋จ ์ด์ „์˜ ๋ฐฉ์‹์€ state๋ฅผ ์ฐพ๊ธฐ ์œ„ํ•ด ๊ฐ ์ปดํฌ๋„ŒํŠธ๋ฅผ ์ง์ ‘ ํ™•์ธํ•ด์•ผ ํ–ˆ์Œ Vuex๋ฅผ ํ™œ์šฉํ•˜๋Š” ๋ฐฉ์‹์€ Vuex Store์—์„œ ๊ฐ ์ปดํฌ๋„ŒํŠธ์—์„œ ์‚ฌ์šฉํ•˜๋Š” state๋ฅผ ํ•œ ๋ˆˆ์— ํŒŒ์•… ๊ฐ€๋Šฅ State๊ฐ€ ๋ณ€ํ™”ํ•˜๋ฉด ํ•ด๋‹น state๋ฅผ ๊ณต์œ ํ•˜๋Š”.. 2022. 5. 13.