CSED101 – (Solution)

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CSED101. Programming & Problem solving

Programming Assignment #4
(75 points)

์œ ์ƒ์šฐ (rswoo@postech.ac.kr)

๏ฎ ์ œ์ถœ ๋งˆ๊ฐ์ผ: 2021.12.14 23:59
๏ฎ ๊ฐœ๋ฐœ ํ™˜๊ฒฝ: Windows Visual Studio 2019

๏ฎ ์ œ์ถœ๋ฌผ
๏‚Ÿ C ์†Œ์Šค ์ฝ”๋“œ (assn4.c)
๏ƒ˜ ํ”„๋กœ๊ทธ๋žจ์˜ ์†Œ์Šค ์ฝ”๋“œ์— ์ฑ„์ ์ž์˜ ์ดํ•ด๋ฅผ ๋•๊ธฐ ์œ„ํ•œ ์ฃผ์„์„ ๋ฐ˜๋“œ์‹œ ๋ถ™์—ฌ์ฃผ์„ธ์š”.
๏‚Ÿ ๋ณด๊ณ ์„œ ํŒŒ์ผ (.docx, .hwp ๋˜๋Š” .pdf; assn4.docx, assn4.hwp ๋˜๋Š” assn4.pdf)
๏ƒ˜ ๋ณด๊ณ ์„œ๋Š” AssnReadMe.pdf๋ฅผ ์ฐธ์กฐํ•˜์—ฌ ์ž‘์„ฑํ•˜์‹œ๋ฉด ๋ฉ๋‹ˆ๋‹ค.
๏ƒ˜ ๋ช…์˜ˆ ์„œ์•ฝ (Honor code): ํ‘œ์ง€์— ๋‹ค์Œ์˜ ์„œ์•ฝ์„ ๊ธฐ์ž…ํ•˜์—ฌ ์ œ์ถœํ•ด ์ฃผ์„ธ์š”: โ€œ๋‚˜๋Š” ์ด
ํ”„๋กœ๊ทธ๋ž˜๋ฐ ๊ณผ์ œ๋ฅผ ๋‹ค๋ฅธ ์‚ฌ๋žŒ์˜ ๋ถ€์ ์ ˆํ•œ ๋„์›€ ์—†์ด ์™„์ˆ˜ํ•˜์˜€์Šต๋‹ˆ๋‹ค.โ€ ๋ณด๊ณ ์„œ ํ‘œ์ง€์— ๋ช…์˜ˆ ์„œ์•ฝ์ด ๊ธฐ์ž…๋˜์–ด ์žˆ์ง€ ์•Š์€ ๊ณผ์ œ๋Š” ์ œ์ถœ๋˜์ง€ ์•Š์€ ๊ฒƒ์œผ๋กœ ์ฒ˜๋ฆฌ๋ฉ๋‹ˆ๋‹ค.
๏ƒ˜ ์ž‘์„ฑํ•œ ์†Œ์Šค ์ฝ”๋“œ์™€ ๋ณด๊ณ ์„œ ํŒŒ์ผ์€ PLMS๋ฅผ ํ†ตํ•ด ์ œ์ถœํ•ด ์ฃผ์„ธ์š”.

๏ฎ ์ฃผ์˜ ์‚ฌํ•ญ
๏‚Ÿ ์ปดํŒŒ์ผ์ด๋‚˜ ์‹คํ–‰์ด ๋˜์ง€ ์•Š๋Š” ๊ณผ์ œ๋Š” 0์ ์œผ๋กœ ์ฑ„์ ๋ฉ๋‹ˆ๋‹ค.
๏‚Ÿ ์ œ์ถœ ๊ธฐํ•œ๋ณด๋‹ค ํ•˜๋ฃจ ๋Šฆ๊ฒŒ ์ œ์ถœ๋œ ๊ณผ์ œ๋Š” ์ตœ์ข… 20%, ์ดํ‹€ ๋Šฆ๊ฒŒ ์ œ์ถœ๋œ ๊ณผ์ œ๋Š” ์ตœ์ข… 40% ๊ฐ์ ๋ฉ๋‹ˆ๋‹ค. ์ œ์ถœ ๊ธฐํ•œ๋ณด๋‹ค ์‚ฌํ˜ ์ด์ƒ ๋Šฆ์œผ๋ฉด ์ œ์ถœ ๋ฐ›์ง€ ์•Š์Šต๋‹ˆ๋‹ค (0์  ์ฒ˜๋ฆฌ).
๏‚Ÿ ๊ฐ ๋ฌธ์ œ์˜ ์ œํ•œ ์กฐ๊ฑด๊ณผ ์š”๊ตฌ ์‚ฌํ•ญ์„ ๋ฐ˜๋“œ์‹œ ์ง€์ผœ ์ฃผ์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค.
๏‚Ÿ ๋ชจ๋“  ๋ฌธ์ œ์˜ ์ถœ๋ ฅ ํ˜•์‹์€ ์ฑ„์ ์„ ์œ„ํ•ด ์•„๋ž˜์— ์ œ์‹œ๋œ ์˜ˆ์‹œ๋“ค๊ณผ ์ตœ๋Œ€ํ•œ ๋น„์Šทํ•˜๊ฒŒ ์ž‘์„ฑํ•ด
์ฃผ์„ธ์š”.
๏‚Ÿ ๋ถ€์ •ํ–‰์œ„์— ๊ด€ํ•œ ๊ทœ์ •์€ POSTECH ์ „์ž์ปดํ“จํ„ฐ๊ณตํ•™๋ถ€ ํ•™๋ถ€์œ„์›ํšŒ์˜ โ€œPOSTECH ์ „์ž์ปดํ“จํ„ฐ ๊ณตํ•™๋ถ€ ๋ถ€์ •ํ–‰์œ„ ์ •์˜โ€๋ฅผ ๋”ฐ๋ฆ…๋‹ˆ๋‹ค (PLMS์˜ ๋ณธ ๊ณผ๋ชฉ ๊ณต์ง€์‚ฌํ•ญ์— ๋“ฑ๋ก๋œ ๊ธ€ ์ค‘, ์ œ๋ชฉ์ด
[document about cheating]์ธ ๊ธ€์— ์ฒจ๋ถ€๋˜์–ด ์žˆ๋Š” disciplinary.pdf๋ฅผ ์ฐธ์กฐํ•˜์„ธ์š”).
๏‚Ÿ ์ด๋ฒˆ ๊ณผ์ œ๋Š” ์ถ”๊ฐ€ ๊ธฐ๋Šฅ ๊ตฌํ˜„๊ณผ ๊ด€๋ จ๋œ ์ถ”๊ฐ€ ์ ์ˆ˜๊ฐ€ ๋”ฐ๋กœ ์—†์Šต๋‹ˆ๋‹ค.

๏ฎ Problem: ํ™”์ƒ ํšŒ์˜ ๊ด€๋ฆฌ ํ”„๋กœ๊ทธ๋žจ

[์š”์•ฝ]
์ด ๊ณผ์ œ์—์„œ๋Š” COVID-19 ์ดํ›„ ๋งŽ์ด ์‚ฌ์šฉํ•˜๋Š” Zoom, Webex์™€ ๊ฐ™์€ ํ™”์ƒ ํšŒ์˜ ํ˜ธ์ŠคํŠธ๊ฐ€ ๋˜์–ด ํšŒ์˜ ์‹ค ์ฐธ์—ฌ์ž๋“ค๊ณผ ๊ด€๋ จ๋œ ์ •๋ณด๋“ค์„ ๊ด€๋ฆฌํ•˜๋Š” ๊ฒƒ์„ ๋ชฉ์ ์œผ๋กœ ํ•ฉ๋‹ˆ๋‹ค.

[๊ฐœ์š”]
์ฃผ์š” ๊ธฐ๋Šฅ์€ ์•„๋ž˜์™€ ๊ฐ™์Šต๋‹ˆ๋‹ค.
1. ํ…์ŠคํŠธ ํŒŒ์ผ๋กœ ์ €์žฅ๋œ ์œ ์ € ์ •๋ณด๋ฅผ ์ฝ๊ณ  ์œ ์ € ๋ฆฌ์ŠคํŠธ์— ์ €์žฅ
2. ์œ ์ € ๋ฆฌ์ŠคํŠธ์— ์œ ์ € ์ถ”๊ฐ€/์‚ญ์ œ, ์ „์ฒด ๋ชฉ๋ก ๋ณด๊ธฐ
3. ํ˜„์žฌ ํšŒ์˜์— ์ฐธ์—ฌํ•˜๊ณ  ์žˆ๋Š” ์ฐธ์—ฌ์ž ์ถœ๋ ฅ
4. ํšŒ์˜์— ์œ ์ € ์ถ”๊ฐ€/์‚ญ์ œ
5. ํŠน์ • ์ฐธ์—ฌ์ž ์นด๋ฉ”๋ผ/๋งˆ์ดํฌ On/Off
6. ํ”„๋กœ๊ทธ๋žจ ์ข…๋ฃŒ

[๋ชฉ์ ]
์ด๋ฒˆ ๊ณผ์ œ๋ฅผ ํ†ตํ•˜์—ฌ ๊ตฌ์กฐ์ฒด(struct)์™€ ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ(linked list)์˜ ์‚ฌ์šฉ๋ฒ•์„ ์ตํž™๋‹ˆ๋‹ค.

[์ฃผ์˜ ์‚ฌํ•ญ]
1. ์ด๋ฒˆ ๊ณผ์ œ๋Š” ์ด 9๊ฐœ์˜ ๋ช…๋ น์–ด (ํ‘œ1 ์ฐธ๊ณ )๋ฅผ ์ž…๋ ฅ ๋ฐ›์•„ ๊ฐ ๊ธฐ๋Šฅ์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค. ์ ์–ด๋„ ๊ฐ ๋ช…๋ น์–ด ๋ณ„๋กœ ํ•จ์ˆ˜๋ฅผ ์ •์˜ํ•˜์—ฌ ์‚ฌ์šฉํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ๊ทธ ์™ธ์— ํ•„์š”ํ•œ ํ•จ์ˆ˜๋Š” ๋”ฐ๋กœ ์ •์˜ํ•ด์„œ ์‚ฌ ์šฉํ•˜์‹ค ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ธฐ๋Šฅ์ ์œผ๋กœ ๋…๋ฆฝ๋๊ฑฐ๋‚˜ ๋ฐ˜๋ณต์ ์œผ๋กœ ์‚ฌ์šฉ๋˜๋Š” ๊ธฐ๋Šฅ์€ ์‚ฌ์šฉ์ž ํ•จ์ˆ˜๋ฅผ ์ •์˜ํ•ด์„œ ๊ตฌํ˜„ํ•˜๋„๋ก ํ•ฉ๋‹ˆ๋‹ค.
2. ์ด๋ฒˆ ๊ณผ์ œ๋Š” ๊ตฌ์กฐ์ฒด์™€ ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ๋ฅผ ํ™œ์šฉํ•˜๋Š” ๊ฒƒ์ด ๋ชฉํ‘œ์ด๋ฏ€๋กœ, ๋ฌธ์ œ์— ๊ตฌ์กฐ์ฒด์™€ ์—ฐ๊ฒฐ๋ฆฌ ์ŠคํŠธ๋ฅผ ์–ธ๊ธ‰ํ•œ ๋ถ€๋ถ„ (์œ ์ € ๋ฆฌ์ŠคํŠธ, ์ฐธ์—ฌ์ž ๋ฆฌ์ŠคํŠธ ๊ตฌํ˜„)์„ ๋ฐฐ์—ด์„ ์ด์šฉํ•˜์—ฌ ํ•ด๊ฒฐ ์‹œ ๊ฐ์  ์ฒ˜๋ฆฌ๋ฉ๋‹ˆ๋‹ค.
3. ์ „์—ญ ๋ณ€์ˆ˜ ๋ฐ goto ๋ฌธ์€ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
4. string.h ์—์„œ ์ œ๊ณตํ•˜๋Š” ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•ด๋„ ๋ฉ๋‹ˆ๋‹ค.
5. ๋ช…์‹œ๋œ ์—๋Ÿฌ ์ฒ˜๋ฆฌ ์™ธ์—๋Š” ๊ณ ๋ คํ•˜์ง€ ์•Š์•„๋„ ๋ฉ๋‹ˆ๋‹ค.
[ํ•„์ˆ˜]๊ฐ€ ํ‘œ์‹œ๋œ ๊ฒƒ์€ ์ ์ˆ˜๊ฐ€ ํฌํ•จ๋œ ๊ฒƒ์œผ๋กœ ๋ฐ˜๋“œ์‹œ ๊ตฌํ˜„ํ•˜๊ณ , [๊ฐ€์ด๋“œ๋ผ์ธ] ํ‘œ์‹œ๋œ ๊ฒƒ์€ ์ ์ˆ˜์—๋Š” ํฌํ•จ๋˜์ง€ ์•Š์œผ๋‚˜ ๊ตฌํ˜„์— ์ฐธ๊ณ ํ•˜๋„๋ก ํ•ฉ๋‹ˆ๋‹ค.
6. ๋ฌธ์ œ์˜ ์ถœ๋ ฅ ํ˜•์‹์€ ์ฑ„์ ์„ ์œ„ํ•ด ์•„๋ž˜์˜ ์‹คํ–‰ ์˜ˆ์‹œ์™€ ์ตœ๋Œ€ํ•œ ๋น„์Šทํ•˜๊ฒŒ ์ž‘์„ฑํ•ด ์ฃผ์„ธ์š”.
7. ๊ณผ์ œ ์ˆ˜ํ–‰ ์‹œ ๋„์›€์ด ๋˜๋ผ๊ณ  [์ฐธ๊ณ ์‚ฌํ•ญ]์„ 12~13์ชฝ์— ์ž‘์„ฑ์„ ํ•ด ๋‘์—ˆ์œผ๋‹ˆ ํ™•์ธํ•˜์‹œ๊ธฐ ๋ฐ”
๋ž๋‹ˆ๋‹ค.

[๋ฐ์ดํ„ฐ ๊ตฌ์กฐ]
typedef struct User {
char name[21]; char email[41]; struct User* next;
} USER; typedef struct Participant {
USER* user; bool camera; bool microphone; struct Participant* next;
} PARTICIPANT;
typedef struct Conference {
char roomName[21]; int numParticipant; int maxParticipant;
PARTICIPANT* participants;
} CONFERENCE;

1) User
๏‚ž name: ์‚ฌ์šฉ์ž ์ด๋ฆ„
๏‚ž email: ์‚ฌ์šฉ์ž ์ด๋ฉ”์ผ
๏‚ž next: ๋‹ค์Œ ์‚ฌ์šฉ์ž ์ฃผ์†Œ (์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ์—์„œ ์‚ฌ์šฉ)
2) Participant
๏‚ž user: ์‚ฌ์šฉ์ž๋ฅผ ๊ฐ€๋ฆฌํ‚ค๋Š” ํฌ์ธํ„ฐ
๏‚ž camera: ์นด๋ฉ”๋ผ On/Off ์—ฌ๋ถ€ (On์ผ ๋•Œ true, Off์ผ ๋•Œ false) ๏‚ž microphone: ๋งˆ์ดํฌ On/Off ์—ฌ๋ถ€ (On์ผ ๋•Œ true, Off์ผ ๋•Œ false)
๏‚ž bool ์ž๋ฃŒํ˜•์€ <stdbool.h>์— ํฌํ•จ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
3) Conference
๏‚ž roomName: ํšŒ์˜์‹ค ์ด๋ฆ„
๏‚ž numParticipant: ํ˜„์žฌ ํšŒ์˜์‹ค์— ์ฐธ์—ฌํ•˜๊ณ  ์žˆ๋Š” ์ฐธ์—ฌ์ž ์ˆ˜
๏‚ž maxParticipant: ํšŒ์˜์‹ค์— ์ฐธ์—ฌ ๊ฐ€๋Šฅํ•œ ์ตœ๋Œ€ ์ฐธ์—ฌ์ž ์ˆ˜
๏‚ž participants: ํšŒ์˜์‹ค์— ์ฐธ์—ฌํ•˜๊ณ  ์žˆ๋Š” ์ฐธ๊ฐ€์ž ์—ฐ๊ฒฐ ๋ฆฌ์ŠคํŠธ ์‹œ์ž‘ ๋…ธ๋“œ

[ํ”„๋กœ๊ทธ๋žจ ๊ธฐ๋Šฅ] 0. ํ”„๋กœ๊ทธ๋žจ ์‹œ์ž‘ ํ™”๋ฉด
A. ํ”„๋กœ๊ทธ๋žจ์„ ์‹คํ–‰ํ•˜๋ฉด ์•„๋ž˜์™€ ๊ฐ™์ด ์ฝ์–ด์˜ฌ ํŒŒ์ผ ์ด๋ฆ„์„ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค. ํŒŒ์ผ ์ด๋ฆ„์—๋Š” ๊ณต ๋ฐฑ์ด ์—†์œผ๋ฉฐ, ํ™•์žฅ์ž๋ฅผ ํฌํ•จํ•ด 30์ž๋ฅผ ๋„˜์ง€ ์•Š๋Š”๋‹ค๊ณ  ๊ฐ€์ •ํ•ฉ๋‹ˆ๋‹ค.
์œ ์ € ๋ฆฌ์ŠคํŠธ ํŒŒ์ผ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[ํ•„์ˆ˜]: ์กด์žฌํ•˜์ง€ ์•Š๋Š” ํŒŒ์ผ์˜ ์ด๋ฆ„์„ ๋ฐ›์€ ๊ฒฝ์šฐ, ์•„๋ž˜์™€ ๊ฐ™์€ ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ๋ฅผ ์ถœ๋ ฅ ํ›„ ๋‹ค์‹œ ํŒŒ์ผ ์ด๋ฆ„์„ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค. (์‹คํ–‰ ์˜ˆ์‹œ์˜ ๋…ธ๋ž€์ƒ‰ ๊ธ€์ž๋Š” ์‚ฌ์šฉ์ž ์ž…๋ ฅ์— ํ•ด๋‹น)
์œ ์ € ๋ฆฌ์ŠคํŠธ ํŒŒ์ผ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> wrong.txt ์œ ํšจํ•˜์ง€ ์•Š์€ ์ž…๋ ฅ์ž…๋‹ˆ๋‹ค. ์œ ์ € ๋ฆฌ์ŠคํŠธ ํŒŒ์ผ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š” >>

B. ํŒŒ์ผ์„ ์—ด์–ด ์œ„์—์„œ๋ถ€ํ„ฐ ์ฝ์œผ๋ฉฐ ์œ ์ € ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ(์ดํ•˜ ์œ ์ € ๋ฆฌ์ŠคํŠธ)์— ์‚ฝ์ž…ํ•ฉ๋‹ˆ๋‹ค. ์ฃผ์–ด ์ง„ ํŒŒ์ผ user.txt์˜ ๋‚ด์šฉ๊ณผ ๊ตฌ์„ฑ์€ ์•„๋ž˜์™€ ๊ฐ™์Šต๋‹ˆ๋‹ค.
Taeyeon taeyeon@postech.ac.kr
Sunny sunny@postech.ac.kr
Tiffany tiffany@postech.ac.kr
Hyoyeon hyoyeon@postech.ac.kr
Yuri yuri@postech.ac.kr
Sooyoung sooyoung@postech.ac.kr
Yoona yoona@postech.ac.kr
Seohyun seohyun@postech.ac.kr

๏‚Ÿ ํ•œ ์ค„์— ํ•œ ์œ ์ €์˜ ์ •๋ณด๊ฐ€ ๋“ค์–ด๊ฐ€๋ฉฐ, ๊ฐ ์œ ์ € ์ •๋ณด๋Š” ์•ž์—์„œ๋ถ€ํ„ฐ ์ฐจ๋ก€๋กœ ์ด๋ฆ„, ์ด๋ฉ” ์ผ๋กœ ๊ตฌ์„ฑ๋ฉ๋‹ˆ๋‹ค. ์ด๋ฆ„, ์ด๋ฉ”์ผ ์‚ฌ์ด๋Š” tab(โ€˜ โ€™)์œผ๋กœ ๊ตฌ๋ถ„๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ์ด๋ฆ„์€ 20์ž, ์ด๋ฉ”์ผ์€ 40์ž ์ด๋‚ด์˜ ๋ฌธ์ž์—ด์ด๋ฉฐ, ๋‘ ๋ฌธ์ž์—ด ๋ชจ๋‘ ๊ณต๋ฐฑ์„ ํฌํ•จํ•˜์ง€ ์•Š์œผ๋ฉฐ, ์ค‘๋ณต๋œ ์ด๋ฆ„, ์ด๋ฉ”์ผ์ด ์—†๋‹ค๊ณ  ๊ฐ€์ •ํ•ฉ๋‹ˆ๋‹ค.
C. ๋ถˆ๋Ÿฌ์˜จ ์œ ์ € ๋ฆฌ์ŠคํŠธ๋ฅผ ์ด๋ฆ„์˜ ์•ŒํŒŒ๋ฒณ ์ˆœ์„œ๋กœ ์ •๋ ฌํ•ฉ๋‹ˆ๋‹ค. ์œ ์ € ๋ฆฌ์ŠคํŠธ๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๊ณผ์ • ์—์„œ ์ •๋ ฌ์„ ํ•จ๊ป˜ ์ˆ˜ํ–‰ํ•˜์—ฌ๋„ ๋˜๊ณ , ์œ ์ € ๋ฆฌ์ŠคํŠธ๋ฅผ ์™„์ „ํžˆ ๋งŒ๋“  ํ›„ ์ •๋ ฌ์„ ์ˆ˜ํ–‰ํ•ด๋„ ๋ฌด ๊ด€ํ•ฉ๋‹ˆ๋‹ค. ์ •๋ ฌ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋˜ํ•œ ์–ด๋–ค ๊ฒƒ์„ ์‚ฌ์šฉํ•˜์—ฌ๋„ ๋ฌด๊ด€ํ•ฉ๋‹ˆ๋‹ค. D. ๋ถˆ๋Ÿฌ์˜จ ํŒŒ์ผ ์ด๋ฆ„๊ณผ ์œ ์ € ์ˆ˜๋ฅผ ํฌํ•จํ•˜๋Š” ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
E. ์ƒ์„ฑํ•  ํšŒ์˜์‹ค์˜ ์ด๋ฆ„๊ณผ ์ตœ๋Œ€ ์‚ฌ์šฉ์ž ์ˆ˜๋ฅผ ์ž…๋ ฅ ๋ฐ›์•„ Conference ๊ตฌ์กฐ์ฒด๋ฅผ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค. ํšŒ์˜์‹ค ์ด๋ฆ„๊ณผ ์ตœ๋Œ€ ์‚ฌ์šฉ์ž ์ˆ˜๋ฅผ ํฌํ•จํ•˜๋Š” ์•ˆ๋‚ด๋ฉ”์‹œ์ง€ ์ถœ๋ ฅ ํ›„ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
์œ ์ € ๋ฆฌ์ŠคํŠธ ํŒŒ์ผ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> wrong.txt ์œ ํšจํ•˜์ง€ ์•Š์€ ์ž…๋ ฅ์ž…๋‹ˆ๋‹ค. ์œ ์ € ๋ฆฌ์ŠคํŠธ ํŒŒ์ผ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user.txt

[INFO] user.txt์—์„œ ์ด 8๋ช…์˜ ์œ ์ €๋ฅผ ๋ถˆ๋Ÿฌ์™”์Šต๋‹ˆ๋‹ค.

ํšŒ์˜์‹ค ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> CSED101 ์ตœ๋Œ€ ์‚ฌ์šฉ์ž ์ˆ˜๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> 5
[INFO] CSED101 ํšŒ์˜์‹ค์ด ์ƒ์„ฑ๋˜์—ˆ์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

๏‚Ÿ ํšŒ์˜์‹ค ์ด๋ฆ„์€ ๊ณต๋ฐฑ์„ ํฌํ•จํ•˜์ง€ ์•Š๋Š” 20์ž ์ด๋‚ด์˜ ๋ฌธ์ž์—ด์ž…๋‹ˆ๋‹ค.
๏‚Ÿ Conference ๊ตฌ์กฐ์ฒด๋Š” ์ •์  ํ• ๋‹น, ๋™์  ํ• ๋‹น ๋‘ ๊ฒฝ์šฐ ๋ชจ๋‘ ๊ฐ€๋Šฅํ•˜๋ฉฐ, ๋™์ ํ• ๋‹น์„ ํ•˜ ๋Š” ๊ฒฝ์šฐ ํ”„๋กœ๊ทธ๋žจ์˜ ๋งˆ์ง€๋ง‰์— ํ• ๋‹น ํ•ด์ œ(free)๋ฅผ ํ•ด ์ฃผ์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

F. ๋ช…๋ น์–ด๋Š” ์•„๋ž˜ ๋ช…๋ น์–ด ๋ฆฌ์ŠคํŠธ ์ค‘ ํ•˜๋‚˜๋งŒ ๊ฐ€๋Šฅํ•˜๋ฉฐ, ๋ช…๋ น์–ด ๋ฌธ์ž์—ด์˜ ๊ฐ ๋‹จ์–ด๋Š” ์ŠคํŽ˜์ด์Šค 1๊ฐœ๋กœ ๊ตฌ๋ถ„๋ฉ๋‹ˆ๋‹ค. ๋ช…๋ น์–ด ๋ฌธ์ž์—ด์˜ ์ตœ๋Œ€ ๊ธธ์ด๋Š” 25์ž๋กœ ์ œํ•œํ•ฉ๋‹ˆ๋‹ค.
๋ช…๋ น์–ด ์„ค๋ช…
user list ์ „์ฒด ์œ ์ €๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
user add ์œ ์ € ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ์— ์œ ์ €๋ฅผ ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค.
user delete ์œ ์ € ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ์—์„œ ์œ ์ €๋ฅผ ์ œ๊ฑฐํ•ฉ๋‹ˆ๋‹ค.
conf info ํšŒ์˜์‹ค ์ด๋ฆ„, ํšŒ์˜์— ์ฐธ์—ฌ ์ค‘์ธ ์ฐธ์—ฌ์ž ๋ชฉ๋ก ๋“ฑ ํšŒ์˜์‹ค๊ณผ
๊ด€๋ จ๋œ ๋ชจ๋“  ์ •๋ณด๋“ค์„ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
conf join ํšŒ์˜์— ํŠน์ • ์œ ์ €๋ฅผ ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค.
conf hangup ํšŒ์˜์—์„œ ํŠน์ • ์œ ์ €๋ฅผ ์ œ์™ธํ•ฉ๋‹ˆ๋‹ค.
conf toggle camera ํŠน์ • ์ฐธ์—ฌ์ž์˜ ์นด๋ฉ”๋ผ On/Off ์ƒํƒœ๋ฅผ ๋ฐ”๊ฟ‰๋‹ˆ๋‹ค.
conf toggle mic ํŠน์ • ์ฐธ์—ฌ์ž์˜ ๋งˆ์ดํฌ On/Off ์ƒํƒœ๋ฅผ ๋ฐ”๊ฟ‰๋‹ˆ๋‹ค.
quit ํ”„๋กœ๊ทธ๋žจ์„ ์ข…๋ฃŒํ•ฉ๋‹ˆ๋‹ค.
[ํ‘œ 1. ๋ช…๋ น์–ด ๋ฆฌ์ŠคํŠธ]

๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[ํ•„์ˆ˜]: ์œ ํšจํ•˜์ง€ ์•Š์€ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์€ ๊ฒฝ์šฐ, ์•„๋ž˜์™€ ๊ฐ™์ด ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ๋ฅผ ์ถœ๋ ฅ ํ›„, ๋ช…๋ น์–ด๋ฅผ ์žฌ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf joinsung ์œ ํšจํ•˜์ง€ ์•Š์€ ์ž…๋ ฅ์ž…๋‹ˆ๋‹ค. ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

1. ํšŒ์˜ ๊ด€๋ฆฌ(์œ ์ € ๊ด€๋ฆฌ)
A. user list: ์ „์ฒด ์œ ์ €๋ฅผ ์ถœ๋ ฅ
๏‚Ÿ ์œ ์ € ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ์—์„œ ๋ชจ๋“  ์œ ์ €์˜ ์ •๋ณด๋ฅผ ์ˆœ์„œ๋Œ€๋กœ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค. (์ถœ๋ ฅ ํ˜•์‹์€ 12์ชฝ [์ฐธ๊ณ ์‚ฌํ•ญ] 1์„ ์ฐธ๊ณ )
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user list

============================================================== ๋ฒˆํ˜ธ ์ด๋ฆ„ ์ด๋ฉ”์ผ ————————————————————– 1 Hyoyeon hyoyeon@postech.ac.kr
2 Seohyun seohyun@postech.ac.kr 3 Sooyoung sooyoung@postech.ac.kr 4 Sunny sunny@postech.ac.kr
5 Taeyeon taeyeon@postech.ac.kr
6 Tiffany tiffany@postech.ac.kr
7 Yoona yoona@postech.ac.kr
8 Yuri yuri@postech.ac.kr ==============================================================

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[๊ฐ€์ด๋“œ๋ผ์ธ]: ์œ ์ € ๋ฆฌ์ŠคํŠธ์— ์œ ์ €๊ฐ€ ์กด์žฌํ•˜์ง€ ์•Š์„ ๊ฒฝ์šฐ์—, ์•„๋ž˜์™€ ๊ฐ™์ด ํ‹€๋งŒ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user list

============================================================== ๋ฒˆํ˜ธ ์ด๋ฆ„ ์ด๋ฉ”์ผ ————————————————————–
==============================================================

B. user add: ์œ ์ € ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ์— ์œ ์ € ์ถ”๊ฐ€
๏‚Ÿ ์ถ”๊ฐ€ํ•  ์œ ์ €์˜ ์ •๋ณด(์ด๋ฆ„, ์ด๋ฉ”์ผ)๋ฅผ ์ˆœ์„œ๋Œ€๋กœ ์ž…๋ ฅ ๋ฐ›์•„ User ๊ตฌ์กฐ์ฒด๋ฅผ ํ• ๋‹นํ•ด ์œ ์ € ๋ฆฌ์ŠคํŠธ์—์„œ ์œ ์ € ์ด๋ฆ„ ์•ŒํŒŒ๋ฒณ ์ˆœ์„œ์— ๋งž๋Š” ์˜ฌ๋ฐ”๋ฅธ ์œ„์น˜์— ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค. ๏‚Ÿ ์ด๋ฆ„, ์ด๋ฉ”์ผ์„ ํฌํ•จํ•˜๋Š” ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[ํ•„์ˆ˜]: ์ด๋ฏธ ์กด์žฌํ•˜๋Š” ์œ ์ €๋ฅผ ์ž…๋ ฅํ•œ ๊ฒฝ์šฐ, ์•„๋ž˜์˜ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user add ์ถ”๊ฐ€ํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Jin ์ถ”๊ฐ€ํ•  ์œ ์ €์˜ ์ด๋ฉ”์ผ์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> jin@postech.ac.kr [INFO] Jin, jin@postech.ac.kr ์œ ์ €๊ฐ€ ์ถ”๊ฐ€๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user add ์ถ”๊ฐ€ํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Jin
[INFO] Jin, jin@postech.ac.kr ์œ ์ €๊ฐ€ ์ด๋ฏธ ์œ ์ € ๋ฆฌ์ŠคํŠธ์— ์žˆ์Šต๋‹ˆ๋‹ค.

C. use delete: ์œ ์ € ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ์—์„œ ์œ ์ € ์ œ๊ฑฐ
๏‚Ÿ ์ œ๊ฑฐํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ์œ ์ € ๋ฆฌ์ŠคํŠธ์—์„œ ํ•ด๋‹น ์œ ์ €๋ฅผ ์ฐพ์•„ ์ด๋ฆ„, ์ด๋ฉ”์ผ ์ •๋ณด์™€ ํ•จ๊ป˜ ์ •๋ง๋กœ ์ œ๊ฑฐํ•  ๊ฒƒ์ธ์ง€ ์—ฌ๋ถ€๋ฅผ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค.
๏‚Ÿ y๋ฅผ ์„ ํƒํ•œ ๊ฒฝ์šฐ, ์œ ์ € ๋ฆฌ์ŠคํŠธ์—์„œ ํ•ด๋‹น ์œ ์ €๋ฅผ ์ œ๊ฑฐํ•˜๊ณ , ์ด๋ฆ„, ์ด๋ฉ”์ผ์„ ํฌํ•จํ•˜๋Š” ์ œ๊ฑฐ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค. ์œ ์ € ๋ฆฌ์ŠคํŠธ์—์„œ ์‚ญ์ œ ์‹œ์—๋Š” ํ• ๋‹น ๋ฐ›์€ ๋ฉ”๋ชจ๋ฆฌ๋ฅผ ํ• ๋‹น ํ•ด์ œ(free)ํ•ฉ๋‹ˆ๋‹ค.
๏‚Ÿ n์„ ์„ ํƒํ•œ ๊ฒฝ์šฐ, ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user delete ์ œ๊ฑฐํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Yuri
Yuri, yuri@postech.ac.kr ์œ ์ €๋ฅผ ์ œ๊ฑฐํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ? (y/n) >> y [INFO] Yuri, yuri@postech.ac.kr ์œ ์ €๋ฅผ ์ œ๊ฑฐํ•˜์˜€์Šต๋‹ˆ๋‹ค.

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user delete ์ œ๊ฑฐํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Sunny
Sunny, sunny@postech.ac.kr ์œ ์ €๋ฅผ ์ œ๊ฑฐํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ? (y/n) >> n

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user list

============================================================== ๋ฒˆํ˜ธ ์ด๋ฆ„ ์ด๋ฉ”์ผ ————————————————————– 1 Hyoyeon hyoyeon@postech.ac.kr
2 Jin jin@postech.ac.kr
3 Seohyun seohyun@postech.ac.kr
4 Sooyoung sooyoung@postech.ac.kr
5 Sunny sunny@postech.ac.kr
6 Taeyeon taeyeon@postech.ac.kr
7 Tiffany tiffany@postech.ac.kr
8 Yoona yoona@postech.ac.kr ==============================================================

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>
๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[ํ•„์ˆ˜]: ์œ ์ € ๋ฆฌ์ŠคํŠธ์— ์—†๋Š” ์ด๋ฆ„์„ ์ž…๋ ฅํ•˜๋Š” ๊ฒฝ์šฐ, ์•„๋ž˜์˜ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user delete ์ œ๊ฑฐํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Suga [INFO] ํ•ด๋‹น ์œ ์ €๋Š” ์กด์žฌํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>
๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[๊ฐ€์ด๋“œ๋ผ์ธ]: ์œ ์ € ๋ฆฌ์ŠคํŠธ๊ฐ€ ๋น„์–ด ์žˆ๋Š” ๊ฒฝ์šฐ, ์•„๋ž˜์˜ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> user delete [INFO] ์œ ์ € ๋ฆฌ์ŠคํŠธ๊ฐ€ ๋น„์–ด ์žˆ์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>
2. ํšŒ์˜ ๊ด€๋ฆฌ(ํšŒ์˜์‹ค ๊ด€๋ฆฌ)
A. conf info: ํšŒ์˜์— ์ฐธ์—ฌ์ค‘์ธ ์ฐธ์—ฌ์ž ๋ชฉ๋ก ์ถœ๋ ฅ
๏‚Ÿ ํšŒ์˜์‹ค ์ด๋ฆ„, ์ตœ๋Œ€ ์‚ฌ์šฉ์ž ์ˆ˜, ์ฐธ์—ฌ์ž ๋ชฉ๋ก์„ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค
๏‚Ÿ ์ฐธ์—ฌ์ž ๋ชฉ๋ก์€ ํ˜„์žฌ ํšŒ์˜์— ์ฐธ์—ฌ์ค‘์ธ ์ฐธ์—ฌ์ž๋“ค์˜ ํ‘œ์‹œ๋˜๋Š” ์ด๋ฆ„, ์ด๋ฉ”์ผ, ์นด๋ฉ”๋ผ
On/Off, ๋งˆ์ดํฌ On/Off ์ •๋ณด๋ฅผ ๋ชจ๋‘ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
๏‚Ÿ ํ”„๋กœ๊ทธ๋žจ ์‹คํ–‰ ํ›„, ‘conf join’ ๋ช…๋ น์–ด๋ฅผ ํ†ตํ•ด ํšŒ์˜ ์ฐธ์—ฌ์ž๋ฅผ ์ถ”๊ฐ€ํ•˜๊ธฐ ์ „๊นŒ์ง€๋Š” ์ฐธ์—ฌ์ž ๋ชฉ๋ก์€ ๋น„์–ด ์žˆ์Šต๋‹ˆ๋‹ค.

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf info

ํšŒ์˜์‹ค ์ด๋ฆ„: CSED101 ์ตœ๋Œ€ ์‚ฌ์šฉ์ž ์ˆ˜: 5 ์ฐธ์—ฌ์ž ๋ชฉ๋ก:
================================================================================ ์ด๋ฆ„ ์ด๋ฉ”์ผ ์นด๋ฉ”๋ผ ๋งˆ์ดํฌ ——————————————————————————– Taeyeon taeyeon@postech.ac.kr ON ON Sunny sunny@postech.ac.kr ON OFF Tiffany tiffany@postech.ac.kr OFF ON ================================================================================

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[๊ฐ€์ด๋“œ๋ผ์ธ]: ์ฐธ์—ฌ์ž ๋ชฉ๋ก์— ์ฐธ์—ฌ์ž๊ฐ€ ์กด์žฌํ•˜์ง€ ์•Š์„ ๊ฒฝ์šฐ์—, ์•„๋ž˜์™€ ๊ฐ™์ด ํ‹€๋งŒ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf info

ํšŒ์˜์‹ค ์ด๋ฆ„: CSED101 ์ตœ๋Œ€ ์‚ฌ์šฉ์ž ์ˆ˜: 5 ์ฐธ์—ฌ์ž ๋ชฉ๋ก:
================================================================================ ์ด๋ฆ„ ์ด๋ฉ”์ผ ์นด๋ฉ”๋ผ ๋งˆ์ดํฌ
——————————————————————————– ================================================================================

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

B. conf join: ํšŒ์˜์— ์œ ์ € ์ถ”๊ฐ€
๏‚Ÿ ํšŒ์˜์— ์ถ”๊ฐ€ํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ์นด๋ฉ”๋ผ On/Off ์—ฌ๋ถ€๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ๋งˆ์ดํฌ On/Off ์—ฌ๋ถ€๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ํ•ด๋‹น ์ •๋ณด๋ฅผ ์ด์šฉํ•ด Participant ๊ตฌ์กฐ์ฒด๋ฅผ ํ• ๋‹นํ•ด Conference ๊ตฌ์กฐ์ฒด์˜ ์ฐธ์—ฌ์ž ์—ฐ๊ฒฐ ๋ฆฌ์ŠคํŠธ(์ดํ•˜ ์ฐธ์—ฌ์ž ๋ฆฌ์ŠคํŠธ)์˜ ๋งจ ๋’ค์— ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค.
๏‚Ÿ Participant ๊ตฌ์กฐ์ฒด๋ฅผ ๋งŒ๋“ค ๋•Œ, ๊ตฌ์กฐ์ฒด ๋ฉค๋ฒ„์ธ User* user์— User ๊ตฌ์กฐ์ฒด๋ฅผ ์ƒˆ๋กœ ํ• ๋‹นํ•˜์ง€ ์•Š๋„๋ก ์ฃผ์˜ํ•ฉ๋‹ˆ๋‹ค. ์œ ์ € ๋ฆฌ์ŠคํŠธ ์ƒ์„ฑ์‹œ ํ• ๋‹นํ•œ User ๊ตฌ์กฐ์ฒด๋ฅผ ๊ฐ€๋ฆฌ์ผœ์•ผ ํ•ฉ๋‹ˆ๋‹ค. ([์ฐธ๊ณ ์‚ฌํ•ญ] 13์ชฝ โ€˜4. ์ „์ฒด๊ตฌ์กฐโ€™๋ฅผ ์ฐธ๊ณ )
๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[ํ•„์ˆ˜]: ์ด๋ฏธ ํšŒ์˜์— ์ฐธ์—ฌํ•œ ์œ ์ €๋ฅผ ์ž…๋ ฅํ•œ ๊ฒฝ์šฐ์—๋Š” ‘ํšŒ์˜์— ์ด๋ฏธ ์ฐธ์—ฌํ–ˆ์Šต๋‹ˆ๋‹ค!’๋ผ๋Š” ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf join ์ถ”๊ฐ€ํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Hyoyeon ์นด๋ฉ”๋ผ๋ฅผ ์ผ  ์ƒํƒœ๋กœ ์‹œ์ž‘ํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ? (y/n) >> n ๋งˆ์ดํฌ๋ฅผ ์ผ  ์ƒํƒœ๋กœ ์‹œ์ž‘ํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ? (y/n) >> n [INFO] Hyoyeon ์ด(๊ฐ€) ํšŒ์˜์— ์ฐธ์—ฌํ–ˆ์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf join ์ถ”๊ฐ€ํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Hyoyeon
[INFO] Hyoyeon ์ด(๊ฐ€) ํšŒ์˜์— ์ด๋ฏธ ์ฐธ์—ฌํ–ˆ์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf join ์ถ”๊ฐ€ํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Seohyun ์นด๋ฉ”๋ผ๋ฅผ ์ผ  ์ƒํƒœ๋กœ ์‹œ์ž‘ํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ? (y/n) >> y ๋งˆ์ดํฌ๋ฅผ ์ผ  ์ƒํƒœ๋กœ ์‹œ์ž‘ํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ? (y/n) >> y [INFO] Seohyun ์ด(๊ฐ€) ํšŒ์˜์— ์ฐธ์—ฌํ–ˆ์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf info

ํšŒ์˜์‹ค ์ด๋ฆ„: CSED101 ์ตœ๋Œ€ ์‚ฌ์šฉ์ž ์ˆ˜: 5 ์ฐธ์—ฌ์ž ๋ชฉ๋ก:
================================================================================ ์ด๋ฆ„ ์ด๋ฉ”์ผ ์นด๋ฉ”๋ผ ๋งˆ์ดํฌ ——————————————————————————– Taeyeon taeyeon@postech.ac.kr ON ON Sunny sunny@postech.ac.kr ON OFF Tiffany tiffany@postech.ac.kr OFF ON
Hyoyeon hyoyeon@postech.ac.kr OFF OFF
Seohyun seohyun@postech.ac.kr ON ON ================================================================================

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

๏‚Ÿ ์ด๋ฏธ ์ตœ๋Œ€ ์ธ์›์ด ์ฐธ์—ฌํ•˜๊ณ  ์žˆ๋Š” ๊ฒฝ์šฐ์—๋Š” ํšŒ์˜ ์ตœ๋Œ€ ์ฐธ์—ฌ์ž ์ˆ˜๋ฅผ ํฌํ•จํ•˜๋Š” ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ , ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค. ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf join
[INFO] ํšŒ์˜์— ์ตœ๋Œ€ ์ธ์› 5 ๋ช…์ด ์ฐธ์—ฌํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[ํ•„์ˆ˜]: ํ•ด๋‹น ์œ ์ €๊ฐ€ ์œ ์ € ๋ฆฌ์ŠคํŠธ์— ์กด์žฌํ•˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ, ์•„๋ž˜์™€ ๊ฐ™์€ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf join ์ถ”๊ฐ€ํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Suga [INFO] ํ•ด๋‹น ์œ ์ €๋Š” ์กด์žฌํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค! ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

C. conf hangup: ํšŒ์˜์—์„œ ์œ ์ € ์ œ์™ธ
๏‚Ÿ ์ œ์™ธํ•  ์ฐธ์—ฌ์ž์˜ ์ด๋ฆ„์„ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ์ž…๋ ฅ ๋ฐ›์€ ์ฐธ์—ฌ์ž๋ฅผ ์ฐธ์—ฌ์ž ๋ฆฌ์ŠคํŠธ์—์„œ ์ฐพ์•„ ์‚ญ์ œ ํ›„, ํ• ๋‹น ํ•ด์ œ๋ฅผ ํ•ฉ๋‹ˆ๋‹ค.
๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[ํ•„์ˆ˜]: ํ•ด๋‹น ์ฐธ์—ฌ์ž๊ฐ€ ์ฐธ์—ฌ์ž ๋ฆฌ์ŠคํŠธ์— ์กด์žฌํ•˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf hangup ์ œ์™ธํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Seohyun ์ •๋ง๋กœ ํšŒ์˜์—์„œ ๋‚ด๋ณด๋‚ด์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ? (y/n) >> y [INFO] Seohyun ์ด(๊ฐ€) ํšŒ์˜์—์„œ ๋‚˜๊ฐ”์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf hangup ์ œ์™ธํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Suga
[INFO] ํ•ด๋‹น ์œ ์ €๋Š” ํšŒ์˜์— ์กด์žฌํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[๊ฐ€์ด๋“œ๋ผ์ธ]: ์ฐธ์—ฌ์ž ๋ฆฌ์ŠคํŠธ๊ฐ€ ๋น„์–ด ์žˆ๋Š” ๊ฒฝ์šฐ ์•„๋ž˜์™€ ๊ฐ™์€ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf hangup [INFO] ํšŒ์˜ ์ฐธ์„์ž๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

D. conf toggle camera: ์ฐธ์—ฌ์ž ์นด๋ฉ”๋ผ On/Off
๏‚Ÿ ์นด๋ฉ”๋ผ On/Off ์—ฌ๋ถ€๋ฅผ ๋ณ€๊ฒฝํ•  ์ฐธ์—ฌ์ž์˜ ์ด๋ฆ„์„ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ์นด๋ฉ”๋ผ On/Off ๋ณ€๊ฒฝ ์—ฌ๋ถ€๋ฅผ ํฌํ•จํ•˜๋Š” ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ , ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[ํ•„์ˆ˜]: ํ•ด๋‹น ์ฐธ์—ฌ์ž๊ฐ€ ์ฐธ์—ฌ์ž ๋ฆฌ์ŠคํŠธ์— ์กด์žฌํ•˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ ์•„๋ž˜์™€ ๊ฐ™์€ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf toggle camera ์นด๋ฉ”๋ผ ์ƒํƒœ๋ฅผ ๋ณ€๊ฒฝํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Taeyeon [INFO] Taeyeon ์˜ ์นด๋ฉ”๋ผ๊ฐ€ ON -> OFF ๋˜์—ˆ์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf toggle camera ์นด๋ฉ”๋ผ ์ƒํƒœ๋ฅผ ๋ณ€๊ฒฝํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Suga [INFO] ํ•ด๋‹น ์œ ์ €๋Š” ํšŒ์˜์— ์กด์žฌํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>
๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[๊ฐ€์ด๋“œ๋ผ์ธ]: ์ฐธ์—ฌ์ž ๋ฆฌ์ŠคํŠธ๊ฐ€ ๋น„์–ด ์žˆ๋Š” ๊ฒฝ์šฐ ์•„๋ž˜์™€ ๊ฐ™์€ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf toggle camera [INFO] ํšŒ์˜ ์ฐธ์„์ž๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

E. conf toggle mic: ์ฐธ์—ฌ์ž ๋งˆ์ดํฌ On/Off
๏‚Ÿ ๋งˆ์ดํฌ On/Off ์—ฌ๋ถ€๋ฅผ ๋ณ€๊ฒฝํ•  ์ฐธ์—ฌ์ž์˜ ์ด๋ฆ„์„ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ๋งˆ์ดํฌ On/Off ๋ณ€๊ฒฝ ์—ฌ๋ถ€๋ฅผ ํฌํ•จํ•˜๋Š” ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ , ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[ํ•„์ˆ˜]: ํ•ด๋‹น ์ฐธ์—ฌ์ž๊ฐ€ ์ฐธ์—ฌ์ž ๋ฆฌ์ŠคํŠธ์— ์กด์žฌํ•˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ ์•„๋ž˜์™€ ๊ฐ™์€ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf toggle mic ๋งˆ์ดํฌ ์ƒํƒœ๋ฅผ ๋ณ€๊ฒฝํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Taeyeon [INFO] Taeyeon ์˜ ๋งˆ์ดํฌ๊ฐ€ ON -> OFF ๋˜์—ˆ์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf toggle mic ๋งˆ์ดํฌ ์ƒํƒœ๋ฅผ ๋ณ€๊ฒฝํ•  ์œ ์ €์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> Suga [INFO] ํ•ด๋‹น ์œ ์ €๋Š” ํšŒ์˜์— ์กด์žฌํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค!

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>
๏‚Ÿ ์˜ˆ์™ธ์ฒ˜๋ฆฌ[๊ฐ€์ด๋“œ๋ผ์ธ]: ์ฐธ์—ฌ์ž ๋ฆฌ์ŠคํŠธ๊ฐ€ ๋น„์–ด ์žˆ๋Š” ๊ฒฝ์šฐ ์•„๋ž˜์™€ ๊ฐ™์€ ์•ˆ๋‚ด ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> conf toggle mic [INFO] ํšŒ์˜ ์ฐธ์„์ž๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.

๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >>

F. quit: ํ”„๋กœ๊ทธ๋žจ ์ข…๋ฃŒ
๏‚Ÿ ์ข…๋ฃŒ ์‹œ, ๋™์  ํ• ๋‹น ๋ฐ›์€ ๋ฉ”๋ชจ๋ฆฌ๋ฅผ ๋ชจ๋‘ ํ• ๋‹น ํ•ด์ œํ•œ ํ›„ ์ข…๋ฃŒํ•ฉ๋‹ˆ๋‹ค.
๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”. >> quit [INFO] ํšŒ์˜๋ฅผ ์ข…๋ฃŒํ•ฉ๋‹ˆ๋‹ค!

๊ณ„์†ํ•˜๋ ค๋ฉด ์•„๋ฌด ํ‚ค๋‚˜ ๋ˆ„๋ฅด์‹ญ์‹œ์˜ค . . .

[์ฐธ๊ณ ์‚ฌํ•ญ] ๊ณผ์ œ ์ˆ˜ํ–‰ ์‹œ ๋‹ค์Œ ๋‚ด์šฉ์„ ์ฐธ๊ณ ํ•˜์„ธ์š”.

1. user list, conf info ์ถœ๋ ฅ ํ˜•์‹
A. User ๊ตฌ์กฐ์ฒด์˜ ๊ฒฝ์šฐ name์€ 20์ž, email์€ 40์ž๋กœ ์ œํ•œํ–ˆ๊ธฐ ๋•Œ๋ฌธ์—, ์•„๋ž˜์™€ ๊ฐ™์ด ์ถœ
๋ ฅ ํ˜•์‹์„ ์ž…๋ ฅํ•˜๋ฉด ์˜ˆ์‹œ์ฒ˜๋Ÿผ ๋นˆ ๊ณต๊ฐ„์ด ์žˆ๊ณ , ์˜ค๋ฅธ์ชฝ ์ •๋ ฌ์ด ๋˜์–ด์žˆ๋Š” ๊ฒฐ๊ณผ๋ฅผ ์–ป์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
printf(“%20s %40s “, name, email);

2. ๊ณต๋ฐฑ์„ ํฌํ•จํ•œ ๋ฌธ์ž์—ด ์ž…๋ ฅ
A. ๊ณต๋ฐฑ์ด ์žˆ๋Š” ๋ฌธ์ž์—ด์„ ์ž…๋ ฅ ๋ฐ›์„ ๋•Œ๋Š” <stdio.h>์˜ fgets() ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
char *fgets(char *str, int num, FILE *stream)
– ์ŠคํŠธ๋ฆผ์—์„œ ๋ฌธ์ž์—ด์„ ์ตœ๋Œ€ (num โ€“ 1)๊ฐœ๋งŒํผ ๋ฐ›์•„์„œ str์ด ๊ฐ€๋ฆฌํ‚ค๋Š” ๋ฉ”๋ชจ๋ฆฌ์— ์ € ์žฅํ•ฉ๋‹ˆ๋‹ค. ์ด ํฌํ•จ๋œ ๊ฒฝ์šฐ ๊ทธ ๋ฌธ์ž์—ด์˜ ๊ธธ์ด๊ฐ€ num๋ณด๋‹ค ์ž‘๋”๋ผ๋„ ๋” ์ฝ์ง€ ์•Š ์œผ๋ฉฐ, ๊ฒฐ๊ณผ ๋ฌธ์ž์—ด์— ๊นŒ์ง€ ์ €์žฅํ•ฉ๋‹ˆ๋‹ค.
char str[10];
fgets(str, 10, stdin); // stdin์€ ํ‚ค๋ณด๋“œ๋กœ๋ถ€ํ„ฐ ์ž…๋ ฅ ๋ฐ›๋Š” ๊ฒƒ์„ ์˜๋ฏธ printf(“%s “, str); // ์ž…๋ ฅ ๋ฐ›์€ ๋ฌธ์ž์—ด์„ ์ถœ๋ ฅ

FILE *fp = fopen(“file.txt”, “r”);
fgets(str, 10, fp);// ํŒŒ์ผ์—์„œ๋ถ€ํ„ฐ ํ•œ ๋ผ์ธ์„ ์ฝ์Œ printf(“%s “, str);// ํŒŒ์ผ๋กœ๋ถ€ํ„ฐ ์ฝ์€ ๋ฌธ์ž์—ด์„ ์ถœ๋ ฅ

3. ํŠน์ • ๋ฌธ์ž๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๋ฌธ์ž์—ด ๋ถ„๋ฆฌ
A. ๋ฌธ์ž์—ด์„ ํŠน์ • ๋ฌธ์ž๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๋‚˜๋ˆŒ ๋•Œ๋Š” <string.h>์˜ strtok()ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ ๋‹ค.
char *strtok(char *str, const char *delim)
– ๋ฌธ์ž์—ด str์„ delim์— ํฌํ•จ๋œ ๋ฌธ์ž๋“ค๋กœ ๋ถ„๋ฆฌ(tokenize)ํ•ฉ๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด โ€œHello/world!โ€๋ผ๋Š” ๋ฌธ์ž์—ด์— ๋Œ€ํ•ด โ€œ/โ€์„ ๊ธฐ์ค€์œผ๋กœ ๋ถ„๋ฆฌํ•˜๋ฉด โ€œHelloโ€์™€ โ€œworld!โ€๋กœ ๋‚˜๋ˆ„์–ด์ง‘๋‹ˆ๋‹ค. ์ด ๋•Œ ๊ธฐ์ค€์˜ ๋˜๋Š” ๋ฌธ์ž(โ€œ/โ€)๋ฅผ delimiter, ๋‚˜๋ˆ„ ์–ด์ง„ ๋ฌธ์ž๋“ค์„ token์ด๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค.
char str[100]; char *token1, *token2, *token3; strcpy(str, “Tokenization/Test/String”); token1= strtok(str, “/”); // token1 = “Tokenization” token2 = strtok(NULL, “/”); // token2 = “Test” token3 = strtok(NULL, “/”); // token3 = “String”

4. ์ „์ฒด ๊ตฌ์กฐ
A. ํ”„๋กœ๊ทธ๋žจ์€ USER ๊ตฌ์กฐ์ฒด๋กœ ์ด๋ฃจ์–ด์ง„ ์œ ์ € ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ์™€ ํ•˜๋‚˜์˜ CONFERENCE ๊ตฌ์กฐ์ฒด, ๊ทธ๋ฆฌ๊ณ  CONFERENCE ๊ตฌ์กฐ์ฒด ๋‚ด์— PARTICIPANT ๊ตฌ์กฐ์ฒด๋กœ ์ด๋ฃจ์–ด์ง„ ์ฐธ์—ฌ์ž ์—ฐ๊ฒฐ๋ฆฌ์ŠคํŠธ
๊ฐ€ ์กด์žฌํ•ฉ๋‹ˆ๋‹ค. ์ดํ•ด๋ฅผ ๋•๊ธฐ ์œ„ํ•ด ๊ทธ๋ฆผ์„ ์ฒจ๋ถ€ํ•˜๋ฉด ์•„๋ž˜์™€ ๊ฐ™์Šต๋‹ˆ๋‹ค.

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