Submission #573159

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
573159	2022-06-06 07:31:55	Vanilla	Permutation (APIO22_perm)	C++17	91.33 / 100	3 ms	340 KiB

perm

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#include "perm.h"
#include <bits/stdc++.h>
using namespace std;
long long find (long long k) {
  for (long long i = 1; i < 63; i++){
    if ((1ll << i) > k) return i-1;
  }
}
std::vector<int> construct_permutation(long long k)
{
  vector <int> rs;
  long long pw [100] = {};
  k-=2;
  int sp = 1000;
  pw[0] = sp - 1;
  rs.push_back(sp);
  int step = 1;
  while (k != 0) {
    int hg = min(int(find(k)), step);
    if (pw[hg] == 0) {
      pw[hg] = pw[hg - 1] + sp;
    }
    rs.push_back(pw[hg]--);
    k-=(1ll << hg);
    step++;
  }
  vector <int> v = rs;
  sort(v.begin(), v.end());
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:32:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |  for (int i = 0; i < v.size(); i++){
      |                  ~~^~~~~~~~~~
perm.cpp: In function 'long long int find(long long int)':
perm.cpp:9:1: warning: control reaches end of non-void function [-Wreturn-type]
    9 | }
      | ^

• Subtask 1: 10 / 10
• Subtask 2: 81.333333333 / 90