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ndb796
python-for-coding-test
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#include <bits/stdc++.h>
using namespace std;
bool compare(pair<int, double> a, pair<int, double> b) {
if (a.second == b.second) return a.first < b.first;
return a.second > b.second;
}
vector<int> solution(int N, vector<int> stages) {
vector<pair<int, double> > v;
vector<int> answer;
int length = stages.size();
// 스테이지 번호를 1부터 N까지 증가시키며
for (int i = 1; i <= N; i++) {
// 해당 스테이지에 머물러 있는 사람의 수 계산
int cnt = count(stages.begin(), stages.end(), i);
// 실패율 계산
double fail = 0;
if (length >= 1) {
fail = (double) cnt / length;
}
// 리스트에 (스테이지 번호, 실패율) 원소 삽입
v.push_back({i, fail});
length -= cnt;
}
// 실패율을 기준으로 각 스테이지를 내림차순 정렬
sort(v.begin(), v.end(), compare);
// 정렬된 스테이지 번호 반환
for (int i = 0; i < N; i++) {
answer.push_back(v[i].first);
}
return answer;
}
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