Submission #690944

#	Time	Username	Problem	Language	Result	Execution time	Memory
690944		NemanjaSo2005	Unscrambling a Messy Bug (IOI16_messy)	C++14	70 / 100	1 ms	468 KiB

messy

#include <bits/stdc++.h>
#include "messy.h"
#define ll long long
using namespace std;
int N,niz[130],stepen[10],gde[130];
bool locked[130];
string ps;
vector<int> ret,poz;
void add(){
   stepen[0]=1;
   for(int i=1;i<=7;i++)
      stepen[i]=stepen[i-1]*2;
   ps="";
   for(int i=1;i<=N;i++)
      ps.push_back('1');
   for(int i=1;i<=7;i++){
      ps[i-1]='0';
      add_element(ps);
   }
   for(int i=0;i<N;i++)
      niz[i]=i;
   for(int it=0;stepen[it]<N;it++){
      for(int i=0;i<ps.size();i++)
         ps[i]='0';
      for(int i=0;i<it;i++)
         ps[i]='1';
      for(int i=it;i<N;i++)
         if(i&stepen[it]){
            ps[i]='1';
            add_element(ps);
            ps[i]='0';
         }
   }
   return;
}
void read(){
   ret.resize(N);
   for(int it=0;stepen[it]<N;it++){
      ///Trazi gde je it-1
      if(it!=0){
         int traz=0;
         for(int j=0;j<it;j++)
            if((it-1)&stepen[j])
               traz+=stepen[j];
         for(int i=0;i<N;i++)
            ps[i]='1';
         for(int i=0;i<poz.size();i++)
            ps[poz[i]]='0';
         for(int i=0;i<N;i++){
            if(locked[i])
               continue;
            if(gde[i]!=traz)
               continue;
            ps[i]='0';
            if(check_element(ps)){
               locked[i]=true;
               gde[i]=it-1;
               poz.push_back(i);
               break;
            }
            else
               ps[i]='1';
         }
      }

      for(int i=0;i<N;i++)
         ps[i]='0';
      for(int i=0;i<poz.size();i++)
         ps[poz[i]]='1';
      for(int i=0;i<N;i++){
         if(locked[i])
            continue;
         ps[i]='1';
         if(check_element(ps))
            gde[i]+=stepen[it];
         ps[i]='0';
      }
   }
   for(int i=0;i<N;i++)
      ret[i]=gde[i];
}
vector<int> restore_permutation(int n, int w, int r) {
   N=n;
   add();
   compile_set();
   read();
   return ret;
}

Compilation message (stderr)

messy.cpp: In function 'void add()':
messy.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |       for(int i=0;i<ps.size();i++)
      |                   ~^~~~~~~~~~
messy.cpp: In function 'void read()':
messy.cpp:47:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |          for(int i=0;i<poz.size();i++)
      |                      ~^~~~~~~~~~~
messy.cpp:68:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |       for(int i=0;i<poz.size();i++)
      |                   ~^~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 11 / 11
• Subtask 4: 21 / 21
• Subtask 5: 0 / 30