제출 #1311424

#제출 시각아이디문제언어결과실행 시간메모리
1311424aleksandreArranging Shoes (IOI19_shoes)C++20
컴파일 에러
0 ms0 KiB
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
long long count_swaps(std::vector<int> s) {
	int n = s.size();
	long long ans = 0;
	map<int, queue<int>> m;
	vector<int> fix(n);
	for (int i = 0; i < n; i++) {
		m[s[i]].push(i);
		fix[i] = 0;
	}
	int ans = 0;
	for (int i = 0; i < n; i++) {
		int res = s[i];
		if (res > 0) res -= s[i]-s[i];
		else res += s[i]+s[i];
		for (int j = i+1; j < m[res].front(); j++) {
			if (fix[j] == 0) {
				ans++;
			}
		}
		fix[i] = 1;
		fix[m[res].front()] = 1;
		m[s[i]].pop();
		m[res].pop();
	}
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:13:13: error: conflicting declaration 'int ans'
   13 |         int ans = 0;
      |             ^~~
shoes.cpp:6:19: note: previous declaration as 'long long int ans'
    6 |         long long ans = 0;
      |                   ^~~