Submission #1200323

#	Time	Username	Problem	Language	Result	Execution time	Memory
1200323		MinaRagy06	Finding Routers (IOI20_routers)	C++20	100 / 100	1 ms	328 KiB

routers

#include <bits/stdc++.h>
#ifdef MINA
#include "grader.cpp"
#endif
#include "routers.h"
using namespace std;
#define ll long long
#define SZ(x) (int) x.size()

vector<int> a;
void rec(int l, int r, int s, int e) {
	if (s > e) return;
	if (l == r) {
		a[s] = l;
		return;
	}
	int md = ((l + r) >> 1);
	int vmd = use_detector(md + 1);
	rec(l, md, s, vmd - 1);
	rec(md + 1, r, vmd, e);
}
vector<int> find_routers(int len, int n, int q) {
	a.resize(n);
	rec(1, len - 1, 0, n - 2);
	a[n - 1] = len;
	vector<int> p(n);
	p[0] = 0;
	for (int i = 1; i < n; i++) {
		p[i] = a[i - 1] + (a[i - 1] - p[i - 1]);
	}
	return p;
}

• Subtask 1: 16 / 16
• Subtask 2: 21 / 21
• Subtask 3: 23 / 23
• Subtask 4: 40 / 40