제출 #1273888

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1273888		lorenzoferrari	Souvenirs (IOI25_souvenirs)	C++20	21 / 100	13 ms	388 KiB

souvenirs

#include "souvenirs.h"
#include <utility>
#include <vector>
#include <cassert>
using namespace std;
using LL = long long;
#define F first
#define S second

void buy_souvenirs(int n, LL P0) {
	LL prev = P0;
	int cnt = 0;
	for (int i = 1; i < n; ++i) {
		auto [s, r] = transaction(prev - 1);
		LL cur = -1e9;
		if ((int)s.size() == 1) {
			cur = prev - 1 - r;
		} else {
			assert(r == 0);
			assert(s[1] == n - 1);
			cur = prev - 2;
			++cnt;
		}
		for (int j = 1; j < i - cnt * (i == n - 1); ++j) {
			auto _ = transaction(cur);
		}
		prev = cur;
	}
}

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• Subtask 1: 4 / 4
• Subtask 2: 3 / 3
• Subtask 3: 14 / 14
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