oj.uz

Submission #983875

# Submission time Handle Problem Language Result Execution time Memory
983875 2024-05-16T07:38:57 Z avighna Permutation (APIO22_perm) C++17
91.3333 / 100
 3 ms 504 KB 
#include <set>
#include <map>
#include <deque>

#include "perm.h"

typedef long long ll;

ll fsb(ll x) {
    for (ll i = 63; i >= 0; -- i) {
        if (x & (1LL << i)) {
            return i;
        }
    }
    return -1;
}

std::vector<int> construct_permutation(long long x) {
	std::deque<ll> ans;
    ll bit = fsb(x);
    for (ll i = 0; i < bit; ++ i) {
        ans.push_back(i);
    }
 
    for (ll i = bit - 1; i >= 0; -- i) {
        if (x & (1LL << i)) {
            ans.push_front(bit - i - 1);
        }
    }

	for (auto &i : ans) {
		i *= 1000;
	}
	std::set<ll> st;
	for (ll i = ans.size() - 1; i >= 0; -- i) {
		while (st.count(ans[i])) {
			ans[i]++;
		}
		st.insert(ans[i]);
	}

	std::map<ll, ll> mp;
	auto it = st.begin();
	for (ll j = 0; j < ans.size(); ++ j) {
		mp[*it] = j;
		it++;
	}

	std::vector<int> ret;
	for (auto &i : ans) {
		ret.push_back(mp[i]);
	}
	return ret;
}

Compilation message

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:44:19: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |  for (ll j = 0; j < ans.size(); ++ j) {
      |                 ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
81.333333333 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Partially correct 2 ms 348 KB Partially correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Partially correct 3 ms 348 KB Partially correct
9 Correct 2 ms 348 KB Output is correct
10 Partially correct 3 ms 504 KB Partially correct
11 Partially correct 2 ms 348 KB Partially correct
12 Partially correct 3 ms 344 KB Partially correct
13 Partially correct 3 ms 488 KB Partially correct