Submission #431758

#	Time	Username	Problem	Language	Result	Execution time	Memory
431758		yuto1115	The Big Prize (IOI17_prize)	C++17	20 / 100	1 ms	340 KiB

prize

#include "prize.h"
#include "bits/stdc++.h"
#define rep(i, n) for(ll i = 0; i < ll(n); i++)
#define rep2(i, s, n) for(ll i = ll(s); i < ll(n); i++)
#define rrep(i, n) for(ll i = ll(n)-1; i >= 0; i--)
#define pb push_back
#define eb emplace_back
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
using namespace std;
using ll = long long;
using P = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vp = vector<P>;
using vvp = vector<vp>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vs = vector<string>;
const int inf = 1001001001;
const ll linf = 1001001001001001001;

template<class T>
bool chmin(T &a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
bool chmax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

int find_best(int n) {
    auto f = [&](int i) -> bool {
        return ask(i-1)[1] == 0;
    };
    int ok = n, ng = 0;
    while (ok - ng > 1) {
        int mid = (ok + ng) / 2;
        (f(mid) ? ok : ng) = mid;
    }
    return ng;
}

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