제출 #114505

#제출 시각아이디문제언어결과실행 시간메모리
114505tinjyu통행료 (IOI18_highway)C++14
0 / 100
30 ms4840 KiB
#include "highway.h"
#include <iostream>
using namespace std;
int m,ans[1000005];
int find(int s,int e)
{
	std::vector<int> w(m);
	for(int i=0;i<=m;i++)
	{
		w[i] = 0;
	}
	for(int i=s;i<=e;i++)
	{
		w[i]=1;
	}
	int t=ask(w);
	if(t==e-s+1)
	{
		for(int i=s;i<=e;i++)
		{
			ans[0]++;
			ans[ans[0]]=i;
		}
	}
	else if(t==0)return 0;
	else
	{
		find(s,(s+e)/2);
		find((s+e)/2,e);
	}
}
void find_pair(int N, std::vector<int> U, std::vector<int> V, int A, int B) {
  m = U.size();
  find(0,m);
  int s=N+1,t=0;
  for(int i=1;i<=ans[0];i++)
  {
  	s=min(ans[i],s);
  	t=max(ans[i]+1,t);
  }
  answer(s, t);
}

컴파일 시 표준 에러 (stderr) 메시지

highway.cpp: In function 'int find(int, int)':
highway.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
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