222312026-01-14 18:16:26algoproBenzinkút üzemeltetés (55)cpp17Compilation error
// UUID: 3072b4eb-ed99-4f6f-a978-423a6abdc4d8
#include <bits/stdc++.h>
using namespace std;

int main() {
	int n,k;
	cin >> n >> k;
	vector<pair<int,int>>bz(n);
	vector<int>tav(n);
	for(int i=0; i<n; i++){
		cin >> bz[i].first >> bz[i].second;
		tav[i]=bz[i].first;
	}
	vector<int>dp(n);
	vector<bool>vsz(n, false);
	dp[0]=bz[0].second;
	int l=0;
	for(int i=1; i<n; i++){
		//int j;
		while(bz[i].first-bz[l].first>=k && l<=i)l++;
		int p = l - 1;

		if (p >= 0) {
   			dp[i] = max(dp[i-1], bz[i].second + dp[prev]);
		} else {
 		   dp[i] = max(dp[i-1], bz[i].second);
}
		if(dp[i]!=dp[i-1])vsz[i]=true;
		//cout << dp[i] << " ";
	}
	cout<< dp[n-1] << '\n';
	int maxi=0;
	vector<int> ans;
	int i=n-1;
	while(i>=0){
		if(vsz[i]){
			ans.push_back(i+1);
			int j=i-1;
			while(j>=0 && bz[i].first-bz[j].first<k)j--;
			i=j;
		}
		else i--;
	}
	reverse(ans.begin(), ans.end());
	cout << ans.size() << " ";
	for(int j=0; j<ans.size(); j++){cout << ans[j]<< " ";}
}
/*l=n-1;
	for(int i=n-1; i>0; i-- ){
		while(bz[i].first-bz[l].first>=k && l>=0)l--;
		l++;
		if(l<n){
		if(dp[i]!=dp[l])maxi ++; }
		else {l=n-1;}
	}
	cout << maxi << " ";
	for(int i=n-1; i>0; i-- ){
		while(bz[i].first-bz[l].first>=k && l>=0)l--;;
		l++;
		if(l<n){
		if(dp[i]!=dp[l])cout << i+1 << " "; }
		else l=n-1;
	}*/
Compilation error
open /var/local/lib/isolate/443/box/a.out: no such file or directory
main.cpp: In function 'int main()':
main.cpp:24:63: error: no match for 'operator[]' (operand types are 'std::vector<int>' and '<unresolved overloaded function type>')
   24 |                         dp[i] = max(dp[i-1], bz[i].second + dp[prev]);
      |                                                               ^
In file included from /usr/include/c++/12/vector:64,
                 from /usr/include/c++/12/functional:62,
                 from /usr/include/x86_64-linux-gnu/c++/12/bits/stdc++.h:71,
                 from main.cpp:2:
/usr/include/c++/12/bits/stl_vector.h:1121:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](size_type) [with _Tp = int; _Alloc = std::allocator<int>; reference = int&; size_type = long unsigned int]'
 1121 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/12/bits/stl_vector.h:1121:28: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1121 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/12/bits/stl_vector.h:1140:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](size_type) const [with _Tp = int; _Alloc = std::allocator<int>; const_reference = const int&; size_type = long unsigned int]'
 1140 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/12/bits/stl_vector.h:1140:28: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
 1140 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~