제출 #295161

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
295161		shivensinha4	Kralj (COCI16_kralj)	C++17	0 / 140	2101 ms	39288 KiB

kralj

#include <bits/stdc++.h> 
using namespace std; 
#define for_(i, s, e) for (int i = s; i < (int) e; i++)
#define for__(i, s, e) for (ll i = s; i < e; i++)
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
#define endl '\n'


int main() {
	#ifdef shiven
	freopen("test.in", "r", stdin);
	#endif
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	int n; cin >> n;
	vi adv(n), a(n), b(n), advPref(n);
	vector<vi> elfHere(n);
	for_(i, 0, n) {
		cin >> adv[i];
		adv[i] -= 1;
		advPref[adv[i]] += 1;
		elfHere[adv[i]].push_back(i);
	}
	for_(i, 0, n) cin >> a[i];
	for_(i, 0, n) cin >> b[i];
	
	int mn = INT_MAX, mnIdx = -1;
	for_(i, 0, n) {
		if (i > 0) adv[i] += adv[i-1];
		if (adv[i]-i < mn) {
			mn = adv[i]-i;
			mnIdx = i;
		}
	}

	int ans = 0;
	set<int> s;
	for_(idx, 0, n) {
		int i = (mnIdx + i);
		if (i >= n) i -= n;
		for (auto j: elfHere[i]) s.insert(b[j]);
		auto pt = s.lower_bound(a[i]);
		if (pt == s.end()) {
			s.erase(s.begin());
		} else {
			ans += 1;
			s.erase(pt);
		}
	}
	
	cout << ans << endl;

	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

kralj.cpp: In function 'int main()':
kralj.cpp:43:7: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized]
   43 |   int i = (mnIdx + i);
      |       ^

• Subtask 1: 0 / 140