Submission #1124358

#	Time	Username	Problem	Language	Result	Execution time	Memory
1124358		Rainmaker2627	Cave (IOI13_cave)	C++20	Compilation error	0 ms	0 KiB

cave

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

vector<bool> vis(N, false);
vector<int> p;
int cor;

void exploreCave(int N) {
	int s[N], d[N];
	for (int i = 0; i < N; ++i) {
		p.clear();
		for (int j = 0; j < N; ++j) if (!vis[j]) p.push_back(j);
		for (int j = 0; j < N-i; ++j) s[p[j]]=0;
		if (tryCombination(s)==i) cor=1;
		else cor=0;
		for (int j = 0; j < N-i; ++j) s[p[j]]=cor^1;

		int l=0, r=N-i-1;
		while (l<r) {
			int mid=(l+r)/2;
			for (int j = l; j <= mid; ++j) s[j]=cor;
			int res=tryCombination(s);
			for (int j = l; j <= mid; ++j) s[j]=cor^1;
			if (res==i) l=mid+1;
			else r=mid;
		} d[p[l]]=i; s[p[l]]=cor; vis[p[l]]=true;
	} answer(s, d);
}

Compilation message (stderr)

cave.cpp:5:18: error: 'N' was not declared in this scope
    5 | vector<bool> vis(N, false);
      |                  ^