제출 #303302

#제출 시각아이디문제언어결과실행 시간메모리
303302IWANTTOGETGOLDINIOIArranging Shoes (IOI19_shoes)C++14
10 / 100
1 ms256 KiB
#include <bits/stdc++.h>
#include "shoes.h"

using namespace std;

long long count_swaps(vector <int> s) {
	int n=s.size()/2;
	if(n==1) {
		if(s[0]<s[1]) {
			return 0;
		}	
		return 1;
	}
	long long ans=0,d=0;
	for (int i=0;i<s.size();i++){
		ans+=abs(i-d);
		d+=2;
	}
	return ans;
}	

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:15:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |  for (int i=0;i<s.size();i++){
      |               ~^~~~~~~~~
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