Submission #1073449

#	Time	Username	Problem	Language	Result	Execution time	Memory
1073449		vjudge1	The Big Prize (IOI17_prize)	C++17	20 / 100	52 ms	432 KiB

prize

#include "prize.h"
#include<bits/stdc++.h>

using namespace std;

typedef pair<int, int> ii;
typedef long long ll;
typedef vector<ii> vii;
typedef vector<ll> vll;
typedef pair<long long, long long> pll;
typedef pair<char, int> ci;
typedef pair<string, int> si;
typedef long double ld;
typedef vector<int> vi;
typedef vector<string> vs;
#define pb push_back
#define fi first
#define se second
#define whole(v) v.begin(), v.end()
#define rwhole(v) v.rbegin(), v.rend()
#define inf INT_MAX/2
#define fro front

int find_best(int n) {
    int lo = -1;
    int hi = n+1;
    int mid;
    int b = 1;
    while(b){
        mid = lo + (hi - lo)/2;
        vector<int> x = ask(mid);
        if(x[0] == 0 && x[1] == 0){
            b = 0;
            continue;
        }
        if(x[0] > 0){
            hi = mid;
        }else if(x[1] > 0){
            lo = mid;
        }
    }
    return mid;
}

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