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[C++/PGS] [PCCP ๋ชจ์˜๊ณ ์‚ฌ #2] 2๋ฒˆ - ์‹ ์ž…์‚ฌ์› ๊ต์œก

by xxilliant 2025. 4. 28.
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https://school.programmers.co.kr/learn/courses/15009/lessons/121688

 

ํ”„๋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 PCCP ๋ชจ์˜๊ณ ์‚ฌ 2ํšŒ - 2๋ฒˆ

์†Œ์š”์‹œ๊ฐ„ ์•ฝ 13๋ถ„

์ž๋ฃŒ๊ตฌ์กฐ, ์ถ”์ • ๋‚œ์ด๋„๋Š” level 1~2

 

๋ฒ”์œ„๊ฐ€ ์ปค์„œ ์ด์ค‘๋ฐ˜๋ณต๋ฌธ์ด๋‚˜ ์ •๋ ฌ ํ•จ์ˆ˜๋Š” ์‚ฌ์šฉ ๋ชปํ•˜๋Š” ๋ฌธ์ œ!!

์šฐ์„ ์ˆœ์œ„ ํ ์ƒ๊ฐ์ด ์•ˆ๋‚˜์„œ ์‹œ๊ฐ„๋‚ญ๋น„ํ–ˆ๋‹ค ใ… ใ… 

 

๋‚˜์˜ ํ’€์ด

#include <string>
#include <vector>
#include <queue>
using namespace std;

int solution(vector<int> ability, int number) {
    int answer = 0;
    priority_queue<int, vector<int>, greater<int>> pq;
    
    for(int num: ability){
        pq.push(num);
    }
    
    for(int i=0; i<number; ++i){
        int sum = pq.top(); pq.pop();
        sum += pq.top(); pq.pop();
        pq.push(sum);
        pq.push(sum);
    }
    for(int num: ability){
        answer += pq.top();
        pq.pop();
    }
    return answer;
}

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