๋ฐ˜์‘ํ˜•

๐Ÿ“ฆ Chango 106

[Softeer][๋ฐ๋ธŒํฌ๋ฃจ 2์ผ์ฐจ] ์†Œํ”„ํ‹ฐ์–ด Lv.2 ํšŒ์˜์‹ค ์˜ˆ์•ฝ (21๋…„ ์žฌ์ง์ž ๋Œ€ํšŒ ์˜ˆ์„ )

https://softeer.ai/practice/6266 Softeer - ํ˜„๋Œ€์ž๋™์ฐจ๊ทธ๋ฃน SW์ธ์žฌํ™•๋ณดํ”Œ๋žซํผ softeer.ai ๋ฌธ์ œ ์„ค๋ช… ํšŒ์˜์‹ค์˜ ์ˆ˜ n ์˜ˆ์•ฝ๋œ ํšŒ์˜์˜ ์ˆ˜ m ์ดํ›„ n๊ฐœ์˜ ์ค„์— ํšŒ์˜์‹ค์˜ ์ด๋ฆ„ r์ด ์ฃผ์–ด์ง ์ด์–ด M๊ฐœ์˜ ์ค„์— ๊ฐ ํšŒ์˜๊ฐ€ ๋ฐฐ์ •๋œ ํšŒ์˜์‹ค์˜ ์ด๋ฆ„ r๊ณผ ์‹œ์ž‘ ์‹œ๊ฐ s, ๊ทธ๋ฆฌ๊ณ  ์ข…๋ฃŒ ์‹œ๊ฐ t๊ฐ€ ์ฃผ์–ด์ง 3 7 grandeur avante sonata sonata 14 16 grandeur 11 12 avante 15 18 sonata 10 11 avante 9 12 grandeur 16 18 avante 12 15 ๊ฐ ํšŒ์˜์‹ค์— ๋Œ€ํ•œ ๊ฐ€๋Šฅํ•œ(ํšŒ์˜๊ฐ€ ์—†๋Š”) ์‹œ๊ฐ„๋Œ€๋ฅผ ํšŒ์˜์‹ค ์ด๋ฆ„์˜ ์˜ค๋ฆ„์ฐจ์ˆœ์œผ๋กœ ์ถœ๋ ฅํ•˜๋ฉด ๋จ Room avante: Not available ----- Room grandeur:..

[Softeer][๋ฐ๋ธŒํฌ๋ฃจ 2์ผ์ฐจ] ์†Œํ”„ํ‹ฐ์–ด Lv.3 ๊ธˆ๊ณ ํ„ธ์ด ํ’€์ด

https://softeer.ai/practice/6288 Softeer - ํ˜„๋Œ€์ž๋™์ฐจ๊ทธ๋ฃน SW์ธ์žฌํ™•๋ณดํ”Œ๋žซํผ softeer.ai ๋ฌธ์ œ ์„ค๋ช… ์ฒซ ๋ฒˆ์งธ ์ค„์— ๋ฐฐ๋‚ญ์˜ ๋ฌด๊ฒŒ W์™€ ๊ท€๊ธˆ์†์˜ ์ข…๋ฅ˜ N i๋ฒˆ์งธ ๊ธˆ์†์˜ ๋ฌด๊ฒŒ Mi์™€ ๋ฌด๊ฒŒ๋‹น ๊ฐ€๊ฒฉ Pi๊ฐ€ ์ฃผ์–ด์ง€๋ฉด ๋ฐฐ๋‚ญ์— ๋‹ด์„ ์ˆ˜ ์žˆ๋Š” ๊ฐ€์žฅ ๋น„์‹ผ ๊ฐ€๊ฒฉ์„ ์ถœ๋ ฅํ•˜๋Š” ๋ฌธ์ œ ํŠน์ดํ•˜๊ฒŒ ์ „๋™ํ†ฑ ๊ธฐ๋Šฅ ๋•Œ๋ฌธ์— ๊ท€๊ธˆ์†์„ ์ž˜๋ผ์„œ ์ž˜๋ ค์ง„ ๋ถ€๋ถ„์˜ ๋ฌด๊ฒŒ๋งŒํผ ๊ฐ€์น˜๋ฅผ ๊ฐ€์งˆ ์ˆ˜ ์žˆ๋‹ค ํ’€์ด ์ฃผ์–ด์ง„ ๋ณด์„์„ ๊ฐ€์น˜๊ฐ€ ๋†’์€ ์ˆœ์„œ๋Œ€๋กœ ์ •๋ ฌํ•œ ๋’ค ๊ฐ€์น˜๊ฐ€ ๋†’์€ ๋ณด์„๋ถ€ํ„ฐ ์ฐจ๋ก€๋กœ ๊ฐ€๋ฐฉ์— ๋„ฃ์œผ๋ฉฐ ๊ฐ€์น˜๋ฅผ ๊ณ„์‚ฐํ•œ๋‹ค ๊ฐ€๋ฐฉ ๋‚จ์€ ์–‘์ด ๋ถ€์กฑํ•˜๋ฉด ๊ทธ๋งŒํผ ๋ณด์„์„ ์ž˜๋ผ ๋„ฃ์Œ. #include #include #include using namespace std; typedef pair ci; bool cmp(ci a, ci b) { re..

[Softeer][๋ฐ๋ธŒํฌ๋ฃจ 1์ผ์ฐจ] ์†Œํ”„ํ‹ฐ์–ด Lv1. ๊ทผ๋ฌด์‹œ๊ฐ„ ํ’€์ด

https://softeer.ai/practice/6254 Softeer - ํ˜„๋Œ€์ž๋™์ฐจ๊ทธ๋ฃน SW์ธ์žฌํ™•๋ณดํ”Œ๋žซํผ softeer.ai ๋ฌธ์ œ ์š”์•ฝ ์ถœ๊ทผ ์‹œ๊ฐ๊ณผ ํ‡ด๊ทผ ์‹œ๊ฐ์ด ๊ฐ๊ฐ HH:MM HH:MM ๊ณผ ๊ฐ™์€ ํ˜•์‹์œผ๋กœ ์ฃผ์–ด์ง€๊ณ , ๊ทผ๋ฌดํ•œ ์‹œ๊ฐ„์˜ ์ด ํ•ฉ์„ ๋ถ„์œผ๋กœ ๊ณ„์‚ฐํ•˜๋Š” ๋ฌธ์ œ. ๋ฌธ์ž์—ด๋กœ ์ฃผ์–ด์ง„ ์ž…๋ ฅ ๊ฐ’์„ ์ •์ˆ˜๋กœ ๋ฐ”๊ฟ”์„œ ๋‹ค๋ฃจ๋Š” ๋ถ€๋ถ„ ๋ง๊ณ ๋Š” ์ •๋ง ๋‹จ์ˆœํ•œ ๋ฌธ์ œ๋‹ค #include using namespace std; const int arr[] = {600, 60, 0, 10, 1}; int cal(string s) { int min = 0; for(int i=0; i a >> b; ans += cal(b) - cal(a); } cout

[BOJ][C++] ๋ฐฑ์ค€ 17618๋ฒˆ: ์‹ ๊ธฐํ•œ ์ˆ˜

https://www.acmicpc.net/problem/17618 17618๋ฒˆ: ์‹ ๊ธฐํ•œ ์ˆ˜ ํ‰์†Œ์— ์ˆ˜์— ๋Œ€ํ•œ ๊ด€์‹ฌ์ด ๋งŽ์€ ์•„์ด์ธ ๋ฏผ์ฒ ์ด๋Š” ์˜ค๋Š˜๋„ ๋…ธํŠธ์— ์—ฐํ•„๋กœ ์ˆ˜๋ฅผ ๋”ํ•˜๊ฑฐ๋‚˜ ๋นผ๊ฑฐ๋‚˜ ๊ณฑํ•˜๊ฑฐ๋‚˜ ๋‚˜๋ˆ ๋ณด๋ฉด์„œ ์‹œ๊ฐ„์„ ๋ณด๋‚ด๊ณ  ์žˆ๋‹ค. ๊ทธ๋Ÿฌ๋‹ค๊ฐ€ 18์ด๋ผ๋Š” ์ˆ˜๋Š” ์‹ ๊ธฐํ•œ ์„ฑ์งˆ์„ ๊ฐ€์ง„๋‹ค๋Š” ๊ฒƒ์„ ์•Œ www.acmicpc.net ๋ฌธ์ œ ํ‰์†Œ์— ์ˆ˜์— ๋Œ€ํ•œ ๊ด€์‹ฌ์ด ๋งŽ์€ ์•„์ด์ธ ๋ฏผ์ฒ ์ด๋Š” ์˜ค๋Š˜๋„ ๋…ธํŠธ์— ์—ฐํ•„๋กœ ์ˆ˜๋ฅผ ๋”ํ•˜๊ฑฐ๋‚˜ ๋นผ๊ฑฐ๋‚˜ ๊ณฑํ•˜๊ฑฐ๋‚˜ ๋‚˜๋ˆ ๋ณด๋ฉด์„œ ์‹œ๊ฐ„์„ ๋ณด๋‚ด๊ณ  ์žˆ๋‹ค. ๊ทธ๋Ÿฌ๋‹ค๊ฐ€ 18์ด๋ผ๋Š” ์ˆ˜๋Š” ์‹ ๊ธฐํ•œ ์„ฑ์งˆ์„ ๊ฐ€์ง„๋‹ค๋Š” ๊ฒƒ์„ ์•Œ์•„๋ƒˆ๋‹ค. 18์„ ์ด๋ฃจ๋Š” ๊ฐ ์ž๋ฆฟ์ˆ˜์ธ 1๊ณผ 8์„ ํ•ฉํ•œ 9๋Š” 18์˜ ์•ฝ์ˆ˜๊ฐ€ ๋œ๋‹ค. ๋ฏผ์ฒ ์ด๋Š” 18๊ณผ ๊ฐ™์ด ๋ชจ๋“  ์ž๋ฆฟ์ˆ˜์˜ ํ•ฉ์œผ๋กœ ๋‚˜๋ˆ„์–ด์ง€๋Š” ์ˆ˜๋ฅผ ์—ฌ๋Ÿฌ ๊ฐœ ๋” ์ฐพ์•„๋ƒˆ๋Š”๋ฐ, 12, 21๋„ ๊ทธ๋Ÿฐ ์‹ ๊ธฐํ•œ ์ˆ˜์˜€๋‹ค. ๋ฏผ์ฒ ์ด๋Š” ์ด๋ ‡..

[BOJ B4][C++] ๋ฐฑ์ค€ 15780๋ฒˆ: ๋ฉ€ํ‹ฐํƒญ ์ถฉ๋ถ„ํ•˜๋‹ˆ?

https://www.acmicpc.net/problem/15780 15780๋ฒˆ: ๋ฉ€ํ‹ฐํƒญ ์ถฉ๋ถ„ํ•˜๋‹ˆ? ์˜ค๋Š˜์€ NAVER D2 ์บ ํผ์Šค์—์„œ CTP ์Šคํ„ฐ๋”” ํ•˜๋Š”๋‚ !!! ์Šคํ„ฐ๋”” ์žฅ์†Œ๊ฐ€ ์ธํ•˜๋Œ€ํ•™๊ต ๊ฐ•์˜์‹ค์—์„œ NAVER D2 ์บ ํผ์Šค๋กœ ๋ฐ”๋€Œ์—ˆ๊ธฐ ๋•Œ๋ฌธ์— ๋ฉ€ํ‹ฐํƒญ ๋ถ€์žฅ ์ค€ํ˜ธ๋Š” ์Šคํ„ฐ๋”” ์ „์— ๋ฏธ๋ฆฌ ๋ฉ€ํ‹ฐํƒญ์„ ์…‹ํŒ… ํ•ด์•ผ ํ•œ๋‹ค. CTP๋Š” ๋ชจ www.acmicpc.net ๋ฌธ์ œ ์˜ค๋Š˜์€ NAVER D2 ์บ ํผ์Šค์—์„œ CTP ์Šคํ„ฐ๋”” ํ•˜๋Š”๋‚ !!! ์Šคํ„ฐ๋”” ์žฅ์†Œ๊ฐ€ ์ธํ•˜๋Œ€ํ•™๊ต ๊ฐ•์˜์‹ค์—์„œ NAVER D2 ์บ ํผ์Šค๋กœ ๋ฐ”๋€Œ์—ˆ๊ธฐ ๋•Œ๋ฌธ์— ๋ฉ€ํ‹ฐํƒญ ๋ถ€์žฅ ์ค€ํ˜ธ๋Š” ์Šคํ„ฐ๋”” ์ „์— ๋ฏธ๋ฆฌ ๋ฉ€ํ‹ฐํƒญ์„ ์…‹ํŒ… ํ•ด์•ผ ํ•œ๋‹ค. CTP๋Š” ๋ชจ๋“  ์‚ฌ๋žŒ์ด ์‚ฌ์šฉํ• ๋งŒํผ ์ถฉ๋ถ„ํ•œ ๋ฉ€ํ‹ฐํƒญ์„ ๊ฐ€์ง€๊ณ  ์žˆ๋‹ค. ์ข…๋ฅ˜๋Š” 3๊ตฌ๋ถ€ํ„ฐ 8๊ตฌ๊นŒ์ง€ ๋‹ค์–‘ํ•˜๊ฒŒ ์žˆ๋‹ค. ๋ชจ๋“  ์‚ฌ๋žŒ๋“ค์€ ๋…ธํŠธ๋ถ๋งŒ ๊ฐ€์ ธ์˜ค๊ธฐ ๋•Œ๋ฌธ์— ๋ฉ€ํ‹ฐํƒญ 1๊ตฌ๋ฅผ ๋ฌด์กฐ..

[BOJ B4][C++] ๋ฐฑ์ค€ 5928๋ฒˆ: Contest Timing

https://www.acmicpc.net/problem/5928 5928๋ฒˆ: Contest Timing Bessie the cow is getting bored of the milk production industry, and wants to switch to an exciting new career in computing. To improve her coding skills, she decides to compete in the on-line USACO competitions. Since she notes that the contest starts on www.acmicpc.net ๋ฌธ์ œ Bessie the cow is getting bored of the milk production industry,..

[BOJ B2][C++] ๋ฐฑ์ค€ 1731๋ฒˆ: ์ถ”๋ก 

https://www.acmicpc.net/problem/1731 1731๋ฒˆ: ์ถ”๋ก  ๋“ฑ์ฐจ๊ฐ€ ์ •์ˆ˜์ธ ๋“ฑ์ฐจ์ˆ˜์—ด (์–ด๋–ค ์ˆ˜์— ์ฐจ๋ก€๋Œ€๋กœ ์ผ์ •ํ•œ ์ˆ˜๋ฅผ ๋”ํ•ด์„œ ์ด๋ฃจ์–ด์ง€๋Š” ์ˆ˜์—ด) ์€ 2๊ฐœ์˜ ์ˆซ์ž๋กœ ๋‚˜ํƒ€๋‚ผ ์ˆ˜ ์žˆ๋‹ค. P๋Š” ์ˆ˜์—ด์˜ ์ฒซ ๋ฒˆ์งธ ์ˆ˜์ด๊ณ , Q๋Š” ๊ทธ ๋‹ค์Œ์ˆ˜๊ฐ€ ๋˜๊ธฐ ์œ„ํ•ด ๋ฐ”๋กœ ์ „์˜ ์ˆ˜์— ๋”ํ•ด www.acmicpc.net ๋ฌธ์ œ ๋“ฑ์ฐจ๊ฐ€ ์ •์ˆ˜์ธ ๋“ฑ์ฐจ์ˆ˜์—ด (์–ด๋–ค ์ˆ˜์— ์ฐจ๋ก€๋Œ€๋กœ ์ผ์ •ํ•œ ์ˆ˜๋ฅผ ๋”ํ•ด์„œ ์ด๋ฃจ์–ด์ง€๋Š” ์ˆ˜์—ด) ์€ 2๊ฐœ์˜ ์ˆซ์ž๋กœ ๋‚˜ํƒ€๋‚ผ ์ˆ˜ ์žˆ๋‹ค. P๋Š” ์ˆ˜์—ด์˜ ์ฒซ ๋ฒˆ์งธ ์ˆ˜์ด๊ณ , Q๋Š” ๊ทธ ๋‹ค์Œ์ˆ˜๊ฐ€ ๋˜๊ธฐ ์œ„ํ•ด ๋ฐ”๋กœ ์ „์˜ ์ˆ˜์— ๋”ํ•ด์•ผ ํ•˜๋Š” ์ˆ˜์ด๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด P=1, Q=2 ์ด๋ฉด ๊ทธ ๋“ฑ์ฐจ์ˆ˜์—ด์€ 1, 3, 5, 7, ..... ์ด ๋œ๋‹ค. ๋“ฑ๋น„๊ฐ€ ์ •์ˆ˜์ธ ๋“ฑ๋น„์ˆ˜์—ด (์–ด๋–ค ์ˆ˜์—์„œ ์‹œ์ž‘ํ•ด ์ฐจ๋ก€๋กœ ๊ฐ™์€ ์ˆ˜๋ฅผ ๊ณฑํ•˜์—ฌ ๋งŒ๋“  ์ˆ˜์—ด) ์€ ๋“ฑ์ฐจ์ˆ˜..

[BOJ B3][C++] ๋ฐฑ์ค€ 10419๋ฒˆ: ์ง€๊ฐ

https://www.acmicpc.net/problem/10419 10419๋ฒˆ: ์ง€๊ฐ ์ฐฝ์˜์ด๊ฐ€ ๊ถ๊ธˆํ•œ ๊ฒฝ์šฐ์˜ ์ˆ˜ T(1 ≤ T ≤ 100)๊ฐ€ ์ฒซ ๋ฒˆ์งธ ์ค„์— ์ฃผ์–ด์ง€๊ณ , ์ด์–ด์„œ T ๊ฐœ์˜ ์ค„์— ์ˆ˜์—…์‹œ๊ฐ„ d(1 ≤ d ≤ 10,000, d๋Š” ์ •์ˆ˜)๊ฐ€ ์ฐจ๋ก€๋Œ€๋กœ ์ฃผ์–ด์ง„๋‹ค. www.acmicpc.net ๋ฌธ์ œ ์ฐฝ์˜์ด๋Š” ์ด๋ฒˆํ•™๊ธฐ์— ์–ด๋–ค ๊ต์–‘์ˆ˜์—…์„ ๋“ฃ๊ณ  ์žˆ๋‹ค. ๊ทธ๋Ÿฐ๋ฐ, ๊ทธ ๊ต์ˆ˜๋‹˜์€ ๋งค์šฐ ์ง€๊ฐ์„ ์ž์ฃผ ํ•˜์‹œ๊ณ  ๊ฒŒ๋‹ค๊ฐ€ ์ˆ˜์—…์— ์ง€๊ฐ์„ ํ•˜์˜€์„ ๊ฒฝ์šฐ ์ˆ˜์—…์„ ์ผ์ฐ ๋งˆ์ณ ์ฃผ๊ธฐ๊นŒ์ง€ ํ•˜๋Š” ๊ฒƒ์„ ๋ฐœ๊ฒฌํ•˜์˜€๋‹ค. ์ฐฝ์˜์ด๋Š” ๊ต์ˆ˜๋‹˜์˜ ์ง€๊ฐ์‹œ๊ฐ„ 0์ด์ƒ์˜ ์ •์ˆ˜ t์™€ ์ˆ˜์—…์„ ์ผ์ฐ ๋งˆ์ณ์ฃผ๋Š” ์‹œ๊ฐ„ s ์‚ฌ์ด์— ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ด€๊ณ„๊ฐ€ ์žˆ์Œ์„ ์•Œ์•˜๋‹ค. s = t2 ๋ฌธ๋“ ์ฐฝ์˜์ด๋Š” ์ˆ˜์—…์‹œ๊ฐ„ d๊ฐ€ ์ฃผ์–ด์กŒ์„ ๋•Œ, ๊ต์ˆ˜๋‹˜์ด ์–ผ๋งˆ๋‚˜ ์ง€๊ฐ์„ ํ•  ์ˆ˜ ์žˆ๋Š”์ง€ ๊ถ๊ธˆํ•ด์กŒ๊ณ , ์—ฌ๋Ÿฌ๋ถ„์€ ..

[BOJ B4][C++] ๋ฐฑ์ค€ 13985๋ฒˆ: Equality

https://www.acmicpc.net/problem/13985 13985๋ฒˆ: Equality Print, on a single line, YES if the sum is correct; otherwise, print NO. www.acmicpc.net ๋ฌธ์ œ You are grading an arithmetic quiz. The quiz asks a student for the sum of the numbers. Determine if the student taking the quiz got the question correct. ์ž…๋ ฅ The first and the only line of input contains a string of the form: a + b = c It is guarantee..

๋ฐ˜์‘ํ˜•