제출 #261954

#제출 시각아이디문제언어결과실행 시간메모리
261954Namnamseo전선 연결 (IOI17_wiring)C++17
0 / 100
1 ms256 KiB
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using pp=pair<int,int>;
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int)((x).size()))
#define rep(i,n) for(int i=0; i<(n); ++i)
#define rrep(i,n) for(int i=1; i<=(n); ++i)
#define x first
#define y second

ll min_total_length(vector<int> vr, vector<int> vb) {
	vector<pp> a;
	for(int x:vr) a.eb(x, 0);
	for(int x:vb) a.eb(x, 1);
	sort(all(a));

	int n = sz(a);
	int rc = sz(vr), bc = sz(vb);

	ll ans = 0;
	rep(i, rc-1) ans += a[rc].x - a[i].x;
	for(int i=rc+1; i<n; ++i) ans += a[i].x - a[rc-1].x;

	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

wiring.cpp: In function 'll min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:20:19: warning: unused variable 'bc' [-Wunused-variable]
  int rc = sz(vr), bc = sz(vb);
                   ^~
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