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

DP2

[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.