Submission #96370

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
96370	2019-02-08T21:02:35 Z	figter001	The Big Prize (IOI17_prize)	C++14	Compilation error	0 ms	0 KB

prize

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

using namespace std;

typedef long long ll;
const int maxn = 2e5+50;

int dp[maxn],ans,n;

void qu(int a){
	if(dp[a])return;
	dp[a] = 1;
	vector<int> res = ask(a);
	if(res[0] + res[1] == 0){
		ans = a;
	}
}

void solve(int l,int r){
	if(l > r)return;
	int md = (l+r)/2;
	ask(a);
	if(ans != -1)return;
	solve(l,md-1);
	solve(md+1,r);
}

int find_best(int N) {
	srand(time(0));
	n = N;
	solve(0,n-1);
	return ans;
}

Compilation message

prize.cpp: In function 'void solve(int, int)':
prize.cpp:23:6: error: 'a' was not declared in this scope
  ask(a);
      ^