Submission #469014

#	Time	Username	Problem	Language	Result	Execution time	Memory
469014		Cross_Ratio	커다란 상품 (IOI17_prize)	C++14	0 / 100	2 ms	392 KiB

prize

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

using namespace std;



int find_best(int N) {
    int s = 0;
    int e = N;
    srand(0);
    int cnt = 0;
    random_device rd;
    mt19937 random(rd());
    uniform_int_distribution<> dice(0, 200005);
    while(s + 1 != e) {
        int mid = dice(random) % (e - s) + s;
        vector<int> V = ask(mid);
        if(V[0] == 0 && V[1] == 0) return mid;
        else if(V[0] == 0) s = mid;
        else if(V[1] == 0) e = mid;
        cnt++;
        assert(cnt < 10000);
    }
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:13:19: warning: control reaches end of non-void function [-Wreturn-type]
   13 |     random_device rd;
      |                   ^~

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