Submission #709760

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
709760	2023-03-14 11:39:26	gun_gan	Permutation (APIO22_perm)	C++17	91.33 / 100	3 ms	352 KiB

perm

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll MX = 1e18;
vector<int> construct_permutation(ll k) {
  ll b = 63 - __builtin_clzll(k);
  ll c = 0;
  vector<int> V;
  for(int i = 0; i < b; i++) {
    c += 100;
    V.push_back(c);
  }
  vector<int> v;
  for(int i = 0; i < b; i++) {
    if(!(k >> i & 1)) continue;
    int k = i;
    for(int j = (int)V.size() - 1; j >= 0 && k >= 0; j--, k--)  {
      if(k == 0) v.push_back(i + 1 + V[j]);
    }
  }
  for(auto x : V) v.push_back(x);
  vector<int> vals;
  for(auto x : v) vals.push_back(x);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(ll)':
perm.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for(int i = 0; i < vals.size(); i++) {
      |                  ~~^~~~~~~~~~~~~

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