[C++/์ž…์ถœ๋ ฅ] ํ•œ์ค„ ์ž…๋ ฅ๋ฐ›๊ธฐ

2021. 7. 12. 01:42ยทlearnings/c++
๋ฌธ์ œ ๋ฐœ์ƒ

 

์˜ˆ๋ฅผ๋“ค์–ด ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ž…๋ ฅ์„ ๋ฐ›์•„์•ผํ•˜๋Š” ์ƒํ™ฉ์ด๋ผ๊ณ  ํ•˜์ž.

5
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์ด๋•Œ ์ฒซ์ค„์€ ์ˆ˜ ํ•˜๋‚˜๋ฅผ ์ž…๋ ฅ๋ฐ›์ง€๋งŒ, ๋‘๋ฒˆ์งธ ์ค„์˜ ์•ŒํŒŒ๋ฒณ์€ ์—”ํ„ฐ๋ฅผ ๋ˆ„๋ฅผ๋•Œ๊นŒ์ง€ ์ž…๋ ฅ์„ ๋ฐ›์•„์•ผ ํ•˜๋Š” ์ƒํ™ฉ์ด๋‹ค.
์–ด๋–ป๊ฒŒ ํ•ด์•ผ ํ• ๊นŒ..?  ํŒŒ์ด์ฌ์€ ์ •๋ง ๊ฐ„๋‹จํ•˜๊ฒŒ ๊ตฌํ˜„ํ•  ์ˆ˜ ์žˆ์ง€๋งŒ, c++๋Š” ์•ˆํƒ€๊น๊ฒŒ๋„ ๊ทธ๋ ‡์ง€ ์•Š๋‹คใ… ใ… 

ํ•ด๊ฒฐ

๋จผ์ € ํ•œ์ค„์„ ์ž…๋ ฅ๋ฐ›๋Š” ํ•จ์ˆ˜๋Š” ๊ฐ„๋‹จํ•˜๊ฒŒ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค.

    string buffer;
    getline (cin, buffer);

(ํ•œ์ค„ ์ž…๋ ฅ๋ฐ›๋Š”๊ฑฐ๋‹ˆ๊นŒ string์œผ๋กœ ๋Œ€๋ถ€๋ถ„ ๋ฐ›์œผ์‹œ๊ฒ ์ฃ ..?)

ํ•„์ž๊ฐ€ ํ•„์š”ํ•œ ์ƒํ™ฉ์€, ๊ฐ ์•ŒํŒŒ๋ฒณ๋“ค์„ ๊ณต๋ฐฑ์œผ๋กœ ๋‚˜๋ˆ„์–ด ๋ฐ›๋Š”๊ฒƒ์ด๋‹ค.
์ด๋•Œ ๋ฌธ์ž์—ด์„ ํŒŒ์‹ฑํ•ด ์ฃผ๋Š” ํ•จ์ˆ˜๋กœ istringstream()์„ ์‚ฌ์šฉํ•˜๋ฉด ๊ฐ„ํŽธํ•˜๋‹ค.

    getline (cin, buffer);
    istringstream ss(buffer);
    while (getline(ss, buffer, ' ')){ //๋งˆ์ง€๋ง‰ ํŒŒ๋ผ๋ฏธํ„ฐ์— ์›ํ•˜๋Š” ๊ตฌ๋ถ„์ž ์ž…๋ ฅ
        plan.push_back(buffer);
    }

์šฐ์„ , getline()์œผ๋กœ ํ•œ ์ค„์„ ์ž…๋ ฅ์„ ๋ฐ›์€ ํ›„, istringstream()์— ์ž…๋ ฅ๋ฐ›๋Š” ๋ณ€์ˆ˜๋ฅผ ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ ๋„˜๊ฒจ์ค€๋‹ค.
ํ›„์— while๋ฌธ์œผ๋กœ ์ƒ๊ธฐ ์ฝ”๋“œ์™€ ๊ฐ™์ด ์“ฐ๋Š”๋ฐ, ์ด๋•Œ getline()์˜ ๋งˆ์ง€๋ง‰ ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ ์†Œ๊ด„ํ˜ธ ์•ˆ์— ์›ํ•˜๋Š” ๊ตฌ๋ถ„์ž๋ฅผ ์ž…๋ ฅํ•ด์ฃผ๋ฉด ๋!
์˜ˆ๋ฅผ๋“ค์–ด ํ•„์ž๋Š” ๊ณต๋ฐฑ๋ฌธ์ž๋กœ ๊ตฌ๋ถ„ํ•ด์„œ ' ' ์„ ์ž…๋ ฅํ–ˆ์ง€๋งŒ, ๋งŒ์•ฝ ์‰ผํ‘œ( , )๊ฐ€ ๊ตฌ๋ถ„์ž๋ผ๋ฉด ',' ์„ ์ž…๋ ฅํ•˜๋ฉด ๋œ๋‹ค.

'learnings > c++' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

[C/C++] ๋งฅ์—์„œ CLion ํ™˜๊ฒฝ ๊ตฌ์ถ• #1  (0) 2021.06.01
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