๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ
  • What would life be If we had no courage to attemp anything?

Problem Solving105

[baekjoon]python #5014 ์Šคํƒ€ํŠธ ๋งํฌ [baekjoon]python #5014 ์Šคํƒ€ํŠธ ๋งํฌ https://www.acmicpc.net/problem/5014 5014๋ฒˆ: ์Šคํƒ€ํŠธ๋งํฌ ์ฒซ์งธ ์ค„์— F, S, G, U, D๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. (1 โ‰ค S, G โ‰ค F โ‰ค 1000000, 0 โ‰ค U, D โ‰ค 1000000) ๊ฑด๋ฌผ์€ 1์ธต๋ถ€ํ„ฐ ์‹œ์ž‘ํ•˜๊ณ , ๊ฐ€์žฅ ๋†’์€ ์ธต์€ F์ธต์ด๋‹ค. www.acmicpc.net import sys from collections import deque input = sys.stdin.readline F,S,G,U,D = map(int,input().split()) # ๊ฑด๋ฌผ๋†’์ด, ๊ฐ•ํ˜ธ, ํƒ€๊ฒŸ, ์œ„, ์•„๋ž˜ queue = deque() queue.append((S,0)) # ๊ฐ•ํ˜ธ์˜ ์œ„์น˜, count visit = [0]*(F+1) # ๋ฉ”.. 2023. 1. 26.
[baekjoon]python #1697 ์ˆจ๋ฐ”๊ผญ์งˆ [baekjoon]python #1697 ์ˆจ๋ฐ”๊ผญ์งˆ https://www.acmicpc.net/problem/1697 1697๋ฒˆ: ์ˆจ๋ฐ”๊ผญ์งˆ ์ˆ˜๋นˆ์ด๋Š” ๋™์ƒ๊ณผ ์ˆจ๋ฐ”๊ผญ์งˆ์„ ํ•˜๊ณ  ์žˆ๋‹ค. ์ˆ˜๋นˆ์ด๋Š” ํ˜„์žฌ ์  N(0 โ‰ค N โ‰ค 100,000)์— ์žˆ๊ณ , ๋™์ƒ์€ ์  K(0 โ‰ค K โ‰ค 100,000)์— ์žˆ๋‹ค. ์ˆ˜๋นˆ์ด๋Š” ๊ฑท๊ฑฐ๋‚˜ ์ˆœ๊ฐ„์ด๋™์„ ํ•  ์ˆ˜ ์žˆ๋‹ค. ๋งŒ์•ฝ, ์ˆ˜๋นˆ์ด์˜ ์œ„์น˜๊ฐ€ X์ผ www.acmicpc.net import sys from collections import deque input = sys.stdin.readline subin,sis = map(int,input().split()) queue = deque() queue.append((subin,0)) #๋ฉ”๋ชจ๋ฆฌ ์ดˆ๊ณผ ๋ฐฉ์ง€ visit = [0] * 100001 whi.. 2023. 1. 25.
[baekjoon]python #2178 ๋ฏธ๋กœํƒ์ƒ‰ [baekjoon]python #2178 ๋ฏธ๋กœํƒ์ƒ‰ https://www.acmicpc.net/problem/2178 2178๋ฒˆ: ๋ฏธ๋กœ ํƒ์ƒ‰ ์ฒซ์งธ ์ค„์— ๋‘ ์ •์ˆ˜ N, M(2 โ‰ค N, M โ‰ค 100)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‹ค์Œ N๊ฐœ์˜ ์ค„์—๋Š” M๊ฐœ์˜ ์ •์ˆ˜๋กœ ๋ฏธ๋กœ๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ๊ฐ๊ฐ์˜ ์ˆ˜๋“ค์€ ๋ถ™์–ด์„œ ์ž…๋ ฅ์œผ๋กœ ์ฃผ์–ด์ง„๋‹ค. www.acmicpc.net import sys from collections import deque input = sys.stdin.readline n,m = map(int,input().split()) arr = [list(map(int,input().strip())) for _ in range(n)] visit = [[0]*m for _ in range(n)] queue = deque() visit[0.. 2023. 1. 25.
[baekjoon]python #2667 ๋‹จ์ง€๋ฒˆํ˜ธ๋ถ™์ด๊ธฐ [baekjoon]python #2667 ๋‹จ์ง€๋ฒˆํ˜ธ๋ถ™์ด๊ธฐ https://www.acmicpc.net/problem/2667 2667๋ฒˆ: ๋‹จ์ง€๋ฒˆํ˜ธ๋ถ™์ด๊ธฐ ๊ณผ ๊ฐ™์ด ์ •์‚ฌ๊ฐํ˜• ๋ชจ์–‘์˜ ์ง€๋„๊ฐ€ ์žˆ๋‹ค. 1์€ ์ง‘์ด ์žˆ๋Š” ๊ณณ์„, 0์€ ์ง‘์ด ์—†๋Š” ๊ณณ์„ ๋‚˜ํƒ€๋‚ธ๋‹ค. ์ฒ ์ˆ˜๋Š” ์ด ์ง€๋„๋ฅผ ๊ฐ€์ง€๊ณ  ์—ฐ๊ฒฐ๋œ ์ง‘์˜ ๋ชจ์ž„์ธ ๋‹จ์ง€๋ฅผ ์ •์˜ํ•˜๊ณ , ๋‹จ์ง€์— ๋ฒˆํ˜ธ๋ฅผ ๋ถ™์ด๋ ค ํ•œ๋‹ค. ์—ฌ www.acmicpc.net import sys input = sys.stdin.readline from collections import deque n = int(input()) arr = [list(map(int,input().strip())) for _ in range(n)] #์ง‘์˜ ์ˆ˜ answer = [] #๋‹จ์ง€ ์ˆ˜ cnt=0 def bfs(y,x): queue =.. 2023. 1. 25.
[baekjoon]python #5635 ์ƒ์ผ [baekjoon]python #5635 ์ƒ์ผ https://www.acmicpc.net/problem/5635 5635๋ฒˆ: ์ƒ์ผ ์–ด๋–ค ๋ฐ˜์— ์žˆ๋Š” ํ•™์ƒ๋“ค์˜ ์ƒ์ผ์ด ์ฃผ์–ด์กŒ์„ ๋•Œ, ๊ฐ€์žฅ ๋‚˜์ด๊ฐ€ ์ ์€ ์‚ฌ๋žŒ๊ณผ ๊ฐ€์žฅ ๋งŽ์€ ์‚ฌ๋žŒ์„ ๊ตฌํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค. www.acmicpc.net import sys input = sys.stdin.readline n = int(input()) #๋”•์…”๋„ˆ๋ฆฌ ์ƒ์„ฑ birth={} for _ in range(n): #๊ณต๋ฐฑ ์ œ๊ฑฐ๋ฅผ ์œ„ํ•ด strip() #์ด๋ฆ„,์ผ,์›”,๋…„ name,d,m,y = map(str,input().strip().split(' ')) #ํ•œ์ž๋ฆฌ ์ˆ˜ ์•ž์— 0๋ถ™์ด๊ธฐ if len(d)==1: d='0'+d if len(m)==1: m='0'+m #๋”•์…”๋„ˆ๋ฆฌ์— ์ถ”๊ฐ€ bir.. 2023. 1. 20.
[baekjoon]python #1764 ๋“ฃ๋ณด์žก [baekjoon]python #1764 ๋“ฃ๋ณด์žก https://www.acmicpc.net/problem/1764 1764๋ฒˆ: ๋“ฃ๋ณด์žก ์ฒซ์งธ ์ค„์— ๋“ฃ๋„ ๋ชปํ•œ ์‚ฌ๋žŒ์˜ ์ˆ˜ N, ๋ณด๋„ ๋ชปํ•œ ์‚ฌ๋žŒ์˜ ์ˆ˜ M์ด ์ฃผ์–ด์ง„๋‹ค. ์ด์–ด์„œ ๋‘˜์งธ ์ค„๋ถ€ํ„ฐ N๊ฐœ์˜ ์ค„์— ๊ฑธ์ณ ๋“ฃ๋„ ๋ชปํ•œ ์‚ฌ๋žŒ์˜ ์ด๋ฆ„๊ณผ, N+2์งธ ์ค„๋ถ€ํ„ฐ ๋ณด๋„ ๋ชปํ•œ ์‚ฌ๋žŒ์˜ ์ด๋ฆ„์ด ์ˆœ์„œ๋Œ€๋กœ ์ฃผ์–ด์ง„๋‹ค. www.acmicpc.net import sys input = sys.stdin.readline n,m = map(int,input().split()) never = dict() # ๋“ฃ๋„ ๋ชปํ•œ for _ in range(n): name = input().strip() never[name]=1 # ๋ณด๋„ ๋ชปํ•œ for _ in range(m): name = input().strip.. 2023. 1. 11.
[baekjoon]python #9095 1, 2, 3 ๋”ํ•˜๊ธฐ [baekjoon]python #9095 1, 2, 3 ๋”ํ•˜๊ธฐ https://www.acmicpc.net/problem/9095 9095๋ฒˆ: 1, 2, 3 ๋”ํ•˜๊ธฐ ๊ฐ ํ…Œ์ŠคํŠธ ์ผ€์ด์Šค๋งˆ๋‹ค, n์„ 1, 2, 3์˜ ํ•ฉ์œผ๋กœ ๋‚˜ํƒ€๋‚ด๋Š” ๋ฐฉ๋ฒ•์˜ ์ˆ˜๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. www.acmicpc.net import sys input = sys.stdin.readline # n์€ ์–‘์ˆ˜์ด๋ฉฐ 11๋ณด๋‹ค ์ž‘์Œ dp=[0]*11 # ๊ฐ ๊ฐฏ์ˆ˜๋ฅผ ์ €์žฅ dp[1]=1 # 1 dp[2]=2 # 1+1,2 dp[3]=4 # 1+1+1, 1+2, 2+1, 3 # dp[4] => dp[1]+3, dp[2]+2, dp[3]+1 for i in range(4,11): dp[i]=dp[i-3]+dp[i-2]+dp[i-1] T = int(input()) for .. 2023. 1. 11.
[PS] ํŒŒ์ด์ฌ - ์ œํ•œ ์‹œ๊ฐ„ ์ œํ•œ ์‹œ๊ฐ„ ๋‹จ์ถ• - ํŒŒ์ด์ฌ์˜ ํ‘œ์ค€ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ sys์˜ sys.stidin.readline()ํ™œ์šฉ sys? sys ๋ชจ๋“ˆ์€ ํŒŒ์ด์ฌ ์ธํ„ฐํ”„๋ฆฌํ„ฐ๊ฐ€ ์ œ๊ณตํ•˜๋Š” ๋ณ€์ˆ˜์™€ ํ•จ์ˆ˜๋ฅผ ์ง์ ‘ ์ œ์–ดํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ๋ชจ๋“ˆ 1. ๋ฌธ์ž์—ด import sys input = sys.stidin.readline() sys.stidin.readline()์˜ return ๊ฐ’ - ๋ฌธ์ž์—ด - ๋ฌธ์žฅ ํ•˜๋‚˜๋ฅผ ๋ฐ›์„ ๋•Œ ์‚ฌ์šฉ ๊ฐ€๋Šฅ - sys.stidin.readline()์„ ์ถœ๋ ฅํ•˜๋ฉด ๋ฌธ์ž์—ด์— ๊ฐœํ–‰๋ฌธ์ž(\n)๊ฐ€ ๊ธฐ๋ณธ์œผ๋กœ ์ถ”๊ฐ€๋จ 2. ํ•œ ๊ฐœ์˜ ์ •์ˆ˜๋ฅผ ์ž…๋ ฅ๋ฐ›์„ ๋•Œ import sys input = int(sys.stidin.readline()) - ์ •์ˆ˜๋กœ ์ž…๋ ฅ๋ฐ›๊ธฐ ์œ„ํ•ด์„œ๋Š” ํ˜•๋ณ€ํ™˜ ํ•„์š” - sys.stidin.readline()๋กœ ๋ฐ›์€ ๋ฌธ์ž์—ด์€ ๊ฐœํ–‰๋ฌธ์ž(\n.. 2023. 1. 11.
[baekjoon]python #17219 ๋น„๋ฐ€๋ฒˆํ˜ธ ์ฐพ๊ธฐ [baekjoon]python #17219 ๋น„๋ฐ€๋ฒˆํ˜ธ ์ฐพ๊ธฐ 17219๋ฒˆ: ๋น„๋ฐ€๋ฒˆํ˜ธ ์ฐพ๊ธฐ ์ฒซ์งธ ์ค„์— ์ €์žฅ๋œ ์‚ฌ์ดํŠธ ์ฃผ์†Œ์˜ ์ˆ˜ N(1 โ‰ค N โ‰ค 100,000)๊ณผ ๋น„๋ฐ€๋ฒˆํ˜ธ๋ฅผ ์ฐพ์œผ๋ ค๋Š” ์‚ฌ์ดํŠธ ์ฃผ์†Œ์˜ ์ˆ˜ M(1 โ‰ค M โ‰ค 100,000)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘๋ฒˆ์งธ ์ค„๋ถ€ํ„ฐ N๊ฐœ์˜ ์ค„์— ๊ฑธ์ณ ๊ฐ ์ค„์— ์‚ฌ์ดํŠธ ์ฃผ์†Œ์™€ ๋น„๋ฐ€๋ฒˆ www.acmicpc.net n,m = map(int,input().split()) # ๋”•์…”๋„ˆ๋ฆฌ ์ƒ์„ฑ site = dict() for i in range(n): #์‚ฌ์ดํŠธ ์ฃผ์†Œ,๋น„๋ฐ€๋ฒˆํ˜ธ add,pw = map(str,input().split()) # ๋”•์…”๋„ˆ๋ฆฌ ์ถ”๊ฐ€ site[add]=pw for j in range(m): find = input() print(site[find]) 2023. 1. 11.
[baekjoon]python #18258 ํ2 [baekjoon]python #18258 ํ2 https://www.acmicpc.net/problem/18258 18258๋ฒˆ: ํ 2 ์ฒซ์งธ ์ค„์— ์ฃผ์–ด์ง€๋Š” ๋ช…๋ น์˜ ์ˆ˜ N (1 โ‰ค N โ‰ค 2,000,000)์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 import sys from collections import deque input = sys.stdin.readline N = int(input()) queue = deque() for i in range(N): temp = list(map(str,input().split())) if temp[0] == 'push': qu.. 2022. 11. 17.