๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ
๐Ÿ“ ์•Œ๊ณ ๋ฆฌ์ฆ˜/Programmers

[C++/PGS] Lv.3 : ์ˆ˜์‹ ๋ณต์›ํ•˜๊ธฐ (PCCP ๊ธฐ์ถœ๋ฌธ์ œ 4๋ฒˆ) - ๋ณด๋ฅ˜๐Ÿฅต

by xxilliant 2025. 5. 2.
728x90
๋ฐ˜์‘ํ˜•

 

https://school.programmers.co.kr/learn/courses/30/lessons/340210

 

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค

SW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก, ์ฑ„์šฉ๊นŒ์ง€ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„

programmers.co.kr


ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๋ ˆ๋ฒจ 3, ์ •๋‹ต๋ฅ  19%

 

์™€ ์ง„์งœ ์ฝ”๋“œ๊ฐ€ ๋„ˆ๋ฌด ๊ธธ์–ด์ ธ์„œ ๋ณด๋ฅ˜

1์‹œ๊ฐ„ ๋™์•ˆ ํ•˜๋‚˜ํ•˜๋‚˜ ๊ตฌํ˜„ํ•˜๊ณ  ์žˆ๋Š”๋ฐ ์ด๊ฒŒ ์•„๋‹Œ ๊ฒƒ ๊ฐ™๋‹ค,,

๋‹ค์Œ์— ๋‹ค์‹œ ํ’€์–ด๋ด์•ผ๊ฒ ๋‹ค

 

์ง„๋ฒ•์ด๋‹ˆ๊นŒ ๋“ฑ์žฅํ•˜๋Š” ์ˆซ์ž๋ณด๋‹ค ์ž‘์€ ์ง„๋ฒ•์€ ๋ถˆ๊ฐ€๋Šฅ -> ํƒ์ƒ‰ ๋ฒ”์œ„๋ฅผ ์ขํž ์ˆ˜ ์žˆ๋‹ค

 

+

stringstream์ด๋ผ๋Š” ๊ฒŒ ์žˆ์—ˆ๋‹ค. ๋ฌธ์ž์—ด์„ splitํ•˜๋Š” ๊ฒƒ ์ฒ˜๋Ÿผ cin ํ˜•ํƒœ๋กœ ๋ฐ”๋กœ ์ชผ๊ฐœ๋Š” ๋ฐฉ๋ฒ•!!

์ผ๋‹จ ์ด๊ฑธ๋กœ ์ œ์ผ ํšจ์œจ์ ์ธ ๋ฌธ์ž์—ด ๋ถ„๋ฆฌ๋ฅผ ํ•ด๋‘์—ˆ๋‹ค

#include <string>
#include <vector>
#include <iostream>
#include <sstream>
using namespace std;

vector<string> solution(vector<string> expressions) {
    vector<string> answer;
    vector<int> possible; // ๊ฐ€๋Šฅํ•œ ์ง„๋ฒ• push
    vector<vector<string>> exlist;
    string a, op, b, eq, c;
    
    for(string ex: expressions){
        // ๊ฐ ์ˆซ์ž, ๋ฌธ์ž ์ถ”์ถœํ•˜๊ธฐ
        stringstream ss(ex);
        ss >> a >> op >> b >> eq >> c;
        vector<string> v = {a, op, b, eq, c};
        exlist.push_back(v);
    }
    // .. ์ƒ๋žต
728x90
๋ฐ˜์‘ํ˜•