제출 #1030293

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1030293		shiomusubi496	The Big Prize (IOI17_prize)	C++17	20 / 100	3 ms	5036 KiB

prize

#include "prize.h"

#include <bits/stdc++.h>

#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define rep2(i, a, b) for (int i = (int)(a); i < (int)(b); ++i)
#define rrep(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
#define rrep2(i, a, b) for (int i = (int)(b) - 1; i >= (int)(a); --i)

#define all(v) begin(v), end(v)
#define rall(v) rbegin(v), rend(v)

using namespace std;

using ll = long long;

vector<vector<int>> memo;
vector<int> Ask(int n) {
    if (memo[n].empty()) memo[n] = ask(n);
    return memo[n];
}

int find_best(int n) {
    memo.resize(n);
    {
        int ok = 0, ng = n;
        while (ng - ok > 1) {
            int mid = (ok + ng) / 2;
            if (Ask(mid)[0] >= 1) ng = mid;
            else ok = mid;
        }
        return ok;
    }
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 80