Submission #717245

#	Time	Username	Problem	Language	Result	Execution time	Memory
717245		Juan	Cave (IOI13_cave)	C++14	Compilation error	0 ms	0 KiB

cave

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


void ExploreCave(int N){
	vector<int> unprocessed;
	for(int i = 0; i < N; i++) unprocessed.push_back(i);
	int vask[N]={}, S[N]={};
	int D[N]={};
	for(int i = 0; i < N; i++){
		for(int x : unprocessed) vask[x] = 0;
		S[i] = 1;
		if(tryCombination(vask)!=i){
			for(int x : unprocessed) vask[x] = 1;
			S[i] = 0;
		}

		int pos = -1;
		int l = 0, r = unprocessed.size()-1;
		while(l<=r){
			int m = (l+r)>>1;
			for(int j = 0; j <= m; j++) vask[unprocessed[j]] = 1-vask[unprocessed[j]];
			int ret = tryCombination(vask);
			if(ret==i) pos = m, l = m+1;
			else r = m-1;

			for(int j = 0; j <= m; j++) vask[unprocessed[j]] = 1-vask[unprocessed[j]];
		}

		D[i] = pos+1;
		unprocessed.erase(unprocessed.begin()+pos+1);
	}

	answer(S, D);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccb8QGcN.o: in function `main':
grader.c:(.text.startup+0x10): undefined reference to `exploreCave'
collect2: error: ld returned 1 exit status