Submission #160088

#	Time	Username	Problem	Language	Result	Execution time	Memory
160088		Nordway	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#define x first
#define y second
#define pb push_back
#define mp make_pair
#define up_b upper_bound
#define low_b lower_bound
#define sz(x) (int)x.size()
#define all(v) v.begin(),v.end()
#define nl '\n'

#define boost ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<int,ll> pil;
typedef pair<ll,int> pli;
typedef pair<ll,ll> pll;

const ll INF=1e18;
const int inf=1e9;
const ld eps=1e-7;
const ld pi=acos(-1);
const int dx[8]={0,0 ,1,-1,1,1,-1,-1};
const int dy[8]={1,-1,0,0,1,-1,1,-1};
const int mod1=998244353;
const int mod2=1e9+7;
const int N=1e4+1;

int a[N];

vector<int> find_subset(int l,int u,vector<int>w){
  sort(all(w));
  int n=0;
  for(int i=0;i<sz(w);i++){
    if(w[i]>u)break;
    a[i+1]=w[i];
    n++;
  }
  vector<vector<bool>> dp(n+1,vector<bool>(u+1,0));
  dp[0][0]=1;
  for(int i=1;i<=n;i++){
    for(int j=0;j<=u;j++){
      if(j>=a[i])dp[i][j]|=dp[i-1][j-a[i]];
      dp[i][j]|=dp[i-1][j];
    }
  }
  int val=-1;
  for(int i=l;i<=u;i++){
    if(dp[n][i]){
      val=i;
      break;
    }
  }
  vector<int>ans;
  if(val){
    while(val>0){
      if(dp[n-1][val-a[n]]){
        ans.pb(n-1);
        val-=a[n];
        n--;
      }
      else if(dp[n-1][val]){
        n--;
      }
    }
  }
  return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:47:26: error: no match for 'operator|=' (operand types are 'std::vector<bool>::reference {aka std::_Bit_reference}' and 'std::vector<bool>::reference {aka std::_Bit_reference}')
       if(j>=a[i])dp[i][j]|=dp[i-1][j-a[i]];
                  ~~~~~~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/ios:42:0,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from molecules.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::vector<bool>::reference {aka std::_Bit_reference}' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::vector<bool>::reference {aka std::_Bit_reference}' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::vector<bool>::reference {aka std::_Bit_reference}' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from molecules.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::vector<bool>::reference {aka std::_Bit_reference}' to 'std::launch&'
molecules.cpp:48:15: error: no match for 'operator|=' (operand types are 'std::vector<bool>::reference {aka std::_Bit_reference}' and 'std::vector<bool>::reference {aka std::_Bit_reference}')
       dp[i][j]|=dp[i-1][j];
       ~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/ios:42:0,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from molecules.cpp:1:
/usr/include/c++/7/bits/ios_base.h:99:3: note: candidate: const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)
   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:99:3: note:   no known conversion for argument 1 from 'std::vector<bool>::reference {aka std::_Bit_reference}' to 'std::_Ios_Fmtflags&'
/usr/include/c++/7/bits/ios_base.h:141:3: note: candidate: const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)
   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:141:3: note:   no known conversion for argument 1 from 'std::vector<bool>::reference {aka std::_Bit_reference}' to 'std::_Ios_Openmode&'
/usr/include/c++/7/bits/ios_base.h:181:3: note: candidate: const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)
   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
   ^~~~~~~~
/usr/include/c++/7/bits/ios_base.h:181:3: note:   no known conversion for argument 1 from 'std::vector<bool>::reference {aka std::_Bit_reference}' to 'std::_Ios_Iostate&'
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105:0,
                 from molecules.cpp:1:
/usr/include/c++/7/future:167:18: note: candidate: std::launch& std::operator|=(std::launch&, std::launch)
   inline launch& operator|=(launch& __x, launch __y)
                  ^~~~~~~~
/usr/include/c++/7/future:167:18: note:   no known conversion for argument 1 from 'std::vector<bool>::reference {aka std::_Bit_reference}' to 'std::launch&'