[프로그래머스 C++] 프로세스

 

[프로그래머스 C++] 프로세스

 

https://school.programmers.co.kr/learn/courses/30/lessons/42587

프로그래머스

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해결전략

 

Queue 큐, Priority_Queue 우선순위 큐 

 

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코드

 

#include <string>
#include <vector>
#include <queue>
using namespace std;
 
int solution(vector<int> priorities, int location) {
    
    queue<pair<int,int>> Q;
    priority_queue<int> pQ;
 
    for (int i = 0; i < priorities.size(); i++) {
        Q.push({priorities[i], i});
        pQ.push(priorities[i]);
    }
 
    int answer = 1;
 
    while(!Q.empty())
    {
        if(Q.front().first == pQ.top())
        {
            if (Q.front().second == location) {
                return answer;
            }
            Q.pop();
            pQ.pop();
            answer++;            
        }
        else
        {
            pair<int,int> tmp = Q.front();
            Q.pop();
            Q.push(tmp);
        }
    }
 
    return answer;
}

 

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