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Submission #573143

# Submission time Handle Problem Language Result Execution time Memory
573143 2022-06-06T04:44:10 Z dqhungdl Permutation (APIO22_perm) C++17
91.3333 / 100
 2 ms 352 KB 
#include "perm.h"
#include <bits/stdc++.h>
using namespace std;

int getBit(long long x, int k) {
    return (x >> k) & 1LL;
}

vector<int> construct_permutation(long long k) {
    if (!k)
        return {};
    int last = 0;
    for (int i = 0; i <= 60; i++)
        if (getBit(k, i))
            last = i;
    vector<int> rs(last);
    iota(rs.begin(), rs.end(), 0);
    for (int i = last - 1; i >= 0; i--)
        if (getBit(k, i)) {
            for (int j = i; j < rs.size(); j++)
                rs[j]++;
            rs.push_back(i);
        }
//    for (int x: rs)
//        cout << x << ' ';
//    cout << '\n';
    return rs;
}

Compilation message

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:20:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |             for (int j = i; j < rs.size(); j++)
      |                             ~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
81.333333333 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Partially correct 1 ms 340 KB Partially correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 352 KB Output is correct
8 Partially correct 2 ms 340 KB Partially correct
9 Correct 1 ms 304 KB Output is correct
10 Partially correct 2 ms 340 KB Partially correct
11 Partially correct 2 ms 340 KB Partially correct
12 Partially correct 1 ms 340 KB Partially correct
13 Partially correct 1 ms 296 KB Partially correct