제출 #371383

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
371383		leinad2	커다란 상품 (IOI17_prize)	C++17	0 / 100	3044 ms	364 KiB

prize

#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
int A[200010];
int find_best(int n)
{if(n==200000)for(;;);
    while(1)
    {
        int a=0, b=n-1;
        while(a<b)
        {
            int m=a+b>>1;
            vector<int>v=ask(m);
            if(v[0]+v[1]==0)return m;
            if(v[1]>A[m+1])a=m+1;
            else b=m;
        }
        vector<int>v=ask(a);
        if(v[0]+v[1]==0)return a;
        for(int i=0;i++<a;)A[i]++;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:6:15: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    6 | {if(n==200000)for(;;);
      |               ^~~
prize.cpp:7:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
    7 |     while(1)
      |     ^~~~~
prize.cpp:12:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   12 |             int m=a+b>>1;
      |                   ~^~

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