Submission #381073

#	Time	Username	Problem	Language	Result	Execution time	Memory
381073		BlancaHM	Finding Routers (IOI20_routers)	C++14	Compilation error	0 ms	0 KiB

routers

#include <iostream>
#include <vector>
using namespace std;

vector<int> find_routers(int l, int n, int q) {
	vector<int> positions(n, -1);
	// Vamos buscando los routers uno a uno
	positions[0] = 0;
	if (l&1)
		l--;
	int lo, hi, mid, k;
	for (int i = 1; i < n; i++) {
		lo = positions[i-1] + 2;
		hi = l;
		k = lo;
		while(lo <= hi) {
			mid = lo + (hi-lo)/2;
			if (use_detector(mid) == i-1) {
				k = mid;
				lo = mid+1;
			} else hi = mid-1;
		}
		positions[i] = k;
	}
	return positions;
}

Compilation message (stderr)

routers.cpp: In function 'std::vector<int> find_routers(int, int, int)':
routers.cpp:18:8: error: 'use_detector' was not declared in this scope
   18 |    if (use_detector(mid) == i-1) {
      |        ^~~~~~~~~~~~