제출 #347517

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
347517		beksultan04	The Big Prize (IOI17_prize)	C++14	20 / 100	84 ms	512 KiB

prize

#include "prize.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scanl(a) scanf("%lld",&a);
#define scanll(a,b) scanf("%lld %lld",&a, &b);
#define scanlll(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define scan1(a) scanf("%d",&a);
#define scan2(a,b) scanf("%d %d",&a, &b);
#define scan3(a,b,c) scanf("%d %d %d",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin()Ñ,s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
#define eps 1e-12
const int N = 3e5+12,INF=1e9+7;
int find_best(int n) {
	priority_queue <pii> q;
	q.push({1,n});
	while (!q.empty()){
        int l = q.top().fr,r = q.top().sc;
        q.pop();
        if (l == r){
            vector <int> v = ask(r-1);
            if (v[0] == 0 && v[1] == 0){
                ret l-1;
            }
        }
        else {
            int m = l+r>>1;
            vector <int> v = ask(m-1);
            if (v[0] == 0 && v[1] == 0){
                ret m-1;
            }
            if (v[0] > 0){
                if (m-1 >= l)
                    q.push({l,m-1});
            }
            if (v[1] > 0){
                if (m+1 <= r){
                    q.push({m+1,r});
                }
            }
        }


	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:39:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   39 |             int m = l+r>>1;
      |                     ~^~

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