제출 #854020

#제출 시각아이디문제언어결과실행 시간메모리
854020RifalBubble Sort 2 (JOI18_bubblesort2)C++14
38 / 100
429 ms1104 KiB
#include "bubblesort2.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> countScans(vector<int> A,vector<int> X,vector<int> V){
    vector<int> answer;
    int siz = A.size(), cnt[siz] = {};
    for(int i = 0; i < siz; i++) {
        int sum = 0;
        for(int j = 0; j < i; j++) {
            if(A[j] < A[i]) sum++;
        }
        cnt[i] = sum;
    }
	for(int i = 0; i < X.size(); i++) {
        int sum = 0, ans = 0;
        for(int j = 0; j < X[i]; j++) {
            if(A[j] < V[i]) sum++;
        }
        for(int j = X[i]+1; j < siz; j++) {
            if(A[X[i]] < A[j]) cnt[j]--;
            if(V[i] < A[j]) cnt[j]++;
        }
        cnt[X[i]] = sum;
        A[X[i]] = V[i];
        for(int j = 0; j < siz; j++) {
            ans = max(ans,j-cnt[j]);
        }
        answer.push_back(ans);
	}
	return answer;
}

컴파일 시 표준 에러 (stderr) 메시지

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for(int i = 0; i < X.size(); i++) {
      |                 ~~^~~~~~~~~~
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