제출 #609752

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
609752		sword060	Unscrambling a Messy Bug (IOI16_messy)	C++17	0 / 100	0 ms	340 KiB

messy

#include <bits/stdc++.h>
#include "messy.h"
using namespace std;
vector<int> restore_permutation(int x, int w, int r){
  vector<int> ans(x);
  for(int i=0;i<x;i++)ans[i]=i+1;
  string p="";
  for(int i=0;i<x;i++)p+='0';
  for(int i=0;i<p.size()-1;i++){
    p[i]='1';p[i+1]='1';
    add_element(p);
    p[i]='0';p[i+1]='0';
  }
  compile_set();
  string lst="-1";
  bool m=0;
  for(int i=1;i<=min(r,(1<<x));i++){
    string l="";
    int xd=i,zz=x;
    while(zz--)l+=(xd%2?'1':'0'),xd/=2;
    reverse(l.begin(),l.end());
    bool f=check_element(l);
    if(!f)continue;
    for(int i=0;i<x;i++){
      if(l[i]!='1'||i==x-1||l[i+1]!='1')continue;
      for(int j=i+2;j<x;j++){
        if(l[j]=='1'){
          swap(ans[j],ans[i]);
        }
      }
    }
    lst=l;
  }
  return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:9:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |   for(int i=0;i<p.size()-1;i++){
      |               ~^~~~~~~~~~~
messy.cpp:16:8: warning: unused variable 'm' [-Wunused-variable]
   16 |   bool m=0;
      |        ^

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