Submission #586533

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
586533	2022-06-30 11:25:34	jamezzz	Permutation (APIO22_perm)	C++17	100 / 100	10 ms	348 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

perm

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#include "perm.h"
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(),x.end()
#define pb push_back
typedef long long ll;
vector<int> construct_permutation(ll k){
  vector<int> b4;
  while(k){
    b4.pb((int)(k%4));
    k/=4;
  }
  
  vector<double> ans;
  if(b4.back()==2)ans.pb(0);
  else if(b4.back()==3)ans.pb(1),ans.pb(0);
  b4.pop_back();
  
  while(!b4.empty()){
    if(b4.back()==0)ans.pb(1e9),ans.pb(1e9+1);
    else if(b4.back()==1)ans.pb(1e9),ans.pb(1e9+1),ans.pb(-1);
    else if(b4.back()==2)ans.pb(1e9),ans.pb(-1),ans.pb(1e9+1);
    else{
      int p0=-1,p1=1e9;
      for(int i=0;i<ans.size();++i){
        if(ans[i]==0)p0=i;
        if(ans[i]==1)p1=i;
      }
 
 
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Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(ll)':
perm.cpp:27:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |    for(int i=0;i<ans.size();++i){
      |                ~^~~~~~~~~~~

Subtask 110 / 10

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