Submission #469006

#	Time	Username	Problem	Language	Result	Execution time	Memory
469006		Cross_Ratio	The Big Prize (IOI17_prize)	C++14	20 / 100	92 ms	328 KiB

prize

#include "prize.h"
#include <bits/stdc++.h>
using namespace std;



int find_best(int N) {
    int s = 0;
    int e = N;
    while(s + 1 != e) {
        int mid = s + e >> 1;
        vector<int> V = ask(mid);
        if(V[0]==0&&V[1]==0) return mid;
        if(V[0]==1) e = mid;
        else s = mid;
    }
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:11:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   11 |         int mid = s + e >> 1;
      |                   ~~^~~
prize.cpp:17:1: warning: control reaches end of non-void function [-Wreturn-type]
   17 | }
      | ^

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