제출 #931508

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
931508		beaboss	카니발 티켓 (IOI20_tickets)	C++17	컴파일 에러	0 ms	0 KiB

tickets

// Source: https://oj.uz/problem/view/IOI20_tickets
// 

#include "bits/stdc++.h"

using namespace std;

#define s second
#define f first
#define pb push_back

typedef long long ll;

typedef pair<int, int> pii;
typedef vector<pii> vpii;

typedef vector<int> vi;

#define FOR(i, a, b) for (int i = (a); i<b; i++)

bool ckmin(int& a, int b){ return b < a ? a = b, true : false; }

bool ckmax(int& a, int b){ return b > a ? a = b, true : false; }

// void allocate_tickets(vector<vi> s) {
// 	// for (auto val: s) {
// 	// 	for (auto j : val) cout << j << ' ';
// 	// 	cout << endl;
// 	// }
// }


int find_maximum(int k, vector<vi> x) {
	int n = x.size();
	int m = x[0].size();
	vi state(n, m - k); // stores range of indices for larger half
	vi start(n, 0);
	int res = 0;

	priority_queue<pii> q;

	FOR(i, 0, n) {
		FOR(j, m-k, m) res += x[i][j];

		q.push( {-x[i][state[i]] - x[i][start[i]], i});
	}

	FOR(i, 0, k * n / 2) {
		int cur = q.top().s;
		res += q.top().f;
		q.pop();

		state[cur]++;
		start[cur]++;

		if (state[cur] != m) q.push( {-x[i][state[i]] - x[i][start[i]], i});
	}

	vector<vi> final(n, vi(m, -1));

	int round = 0;

	FOR(i, 0, n) {
		FOR(j, 0, start[i]) {
			final[i][j] = round;
			round++;
		}
	}


	FOR(i, 0, n) {
		set<int> vals;
		FOR(i, 0, k) vals.insert(i);
		for (auto val: final[i]) if (val != -1) vals.erase(val);

		FOR(j, state[i], m) {
			final[i][j] = *vals.begin();
			vals.erase(vals.begin());
		}
	}
	allocate_tickets(final);

	return res;

}




// int main() {
// 	// ios::sync_with_stdio(false);
// 	// cin.tie(nullptr);

// 	// int res = find_maximum(2, {{0, 2, 5}, {1, 1, 3}});
// 	// cout << res << endl;

// }

컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp: In function 'int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:81:2: error: 'allocate_tickets' was not declared in this scope
   81 |  allocate_tickets(final);
      |  ^~~~~~~~~~~~~~~~