Submission #357700

#	Time	Username	Problem	Language	Result	Execution time	Memory
357700		Mlxa	Permutation Recovery (info1cup17_permutation)	C++14	25 / 100	1 ms	620 KiB

Main

#ifdef LC
#include "pch.h"
#else
#include <bits/stdc++.h>
#endif
using namespace std;
using ll = long long;
#define int ll
#define all(x) x.begin(), x.end()
#define x first
#define y second
#define mp make_pair
#define mt make_tuple

const int N = 1e5;
int n;
int dp[N];
int a[N];
vector<int> pos;

signed main() {
#ifdef LC
	assert(freopen("input.txt", "r", stdin));
#endif
	ios::sync_with_stdio(0); cin.tie(0);
	cin >> n;
	for (int i = 0; i < n; ++i) {
		cin >> dp[i];
	}
	for (int i = n - 1; i >= 1; --i) {
		dp[i] -= dp[i - 1];
	}
	for (int i = 0; i < n; ++i) {
		int ind = 0;
		int least = dp[i] - 1;
		while (ind < (int)pos.size() && least > 0) {
			least -= dp[pos[ind]];
			++ind;
		}
		// cout << i << " " << least << endl;
		assert(!least);
		pos.insert(pos.begin() + ind, i);
	}
	for (int i = 0; i < n; ++i) {
		a[pos[i]] = i + 1;
	}
	for (int i = 0; i < n; ++i) {
		cout << a[i] << " ";
	}
	cout << endl;
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 0 / 18
• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
• Subtask 6: 0 / 7
• Subtask 7: 0 / 16
• Subtask 8: 0 / 6