Submission #444729

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
444729	2021-07-15T02:05:53 Z	penguinhacker	Drvca (COCI19_drvca)	C++14	Compilation error	0 ms	0 KB

drvca

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array

const int mxN=1e5;
int n, a[mxN], prv[mxN], nxt[mxN], cnt;
vector<int> cur={0};
bool rem[mxN]={1}, bad[mxN];

void calc(int i) {
	if (0<=i&&i<n) {
		cnt-=bad[i];
		if (rem[i])
			bad[i]=0;
		else {
			if (prv[i]<0||rem[prv[i]]||nxt[i]>=n||rem[nxt[i]])
				bad[i]=0;
			else
				bad[i]=a[i]-a[prv[i]]!=a[nxt[i]]-a[i];
		}
		cnt+=bad[i];
	}
}

void ck() {
	if (cnt)
		return;
	assert(cnt==0);
	vector<bool> other(n, 1);
	cout << cur.size() << "\n";
	for (int i : cur) {
		other[i]=0;
		cout << a[i] << " ";
	}
	cout << "\n" << n-cur.size() << "\n";
	for (int i=0; i<n; ++i)
		if (other[i])
			cout << a[i] << " ";
	exit(0);
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n;
	for (int i=0; i<n; ++i) {
		cin >> a[i];
		prv[i]=i-1;
		nxt[i]=i+1;
	}
	sort(a, a+n);
	for (int i=1; i<n; ++i)
		calc(i);
	ck();
	for (int i=1; i<n; ++i) {
		if (i>1&&a[i]==a[i-1])
			continue;
		int d=a[i]-a[0];
		for (int j=i; j<n;) {
			assert(!rem[j]);
			nxt[prv[j]]=nxt[j];
			prv[nxt[j]]=prv[j];
			rem[j]=1;
			cur.push_back(j);
			calc(j), calc(prv[j]), calc(nxt[j]);
			ck();
			int p=max(j+1, lower_bound(a, a+n, a[j]+d)-a);
			if (p==n||a[p]!=a[j]+d)
				break;
			j=p;
		}
		while(cur.size()>1) {
			int j=cur.back();
			cur.pop_back();
			nxt[prv[j]]=j;
			prv[nxt[j]]=j;
			rem[j]=0;
			calc(j), calc(prv[j]), calc(nxt[j]);
		}
	}
	cout << -1;
	return 0;
}

Compilation message

drvca.cpp: In function 'int main()':
drvca.cpp:69:48: error: no matching function for call to 'max(int, long int)'
   69 |    int p=max(j+1, lower_bound(a, a+n, a[j]+d)-a);
      |                                                ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from drvca.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
drvca.cpp:69:48: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long int')
   69 |    int p=max(j+1, lower_bound(a, a+n, a[j]+d)-a);
      |                                                ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from drvca.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
drvca.cpp:69:48: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long int')
   69 |    int p=max(j+1, lower_bound(a, a+n, a[j]+d)-a);
      |                                                ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from drvca.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
drvca.cpp:69:48: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   69 |    int p=max(j+1, lower_bound(a, a+n, a[j]+d)-a);
      |                                                ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from drvca.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
drvca.cpp:69:48: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   69 |    int p=max(j+1, lower_bound(a, a+n, a[j]+d)-a);
      |                                                ^