Submission #1197688

#	Time	Username	Problem	Language	Result	Execution time	Memory
1197688		veehz	Bikeparking (EGOI24_bikeparking)	C++20	0 / 100	120 ms	15640 KiB

Main

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

typedef long long ll;
typedef long double ld;
#define pb push_back

void solve() {
	int n; cin >> n;
	vector<int> slot;
	set<int> ppl;
	for(int i=0,k;i<n;i++) {
		cin >> k; if(k) slot.push_back(i);
	}
	for(int i=0,k;i<n;i++) {
		cin >> k; if(k) ppl.insert(i);
	}
	// cout << "slot: ";
	// for(auto s : slot) cout << s << ' ';
	// cout << endl;
	// cout << "ppl: ";
	// for(auto s : ppl) cout << s << ' ';
	// cout << endl;
	vector<bool> filled(slot.size());
	int ans = 0;
	for(int i=0;i<(int)slot.size();i++){
		auto ptr = ppl.upper_bound(slot[i]);
		if(ptr != ppl.end()) {
			ans++; filled[i] = true;
			// cout << "fill " << slot[i] << " with " << *ptr << endl;
			ppl.erase(ptr);
		}
	}
	for(int i=0;i<(int)slot.size();i++){
		if(filled[i]) continue;
		if(ppl.count(slot[i])) {
			ppl.erase(slot[i]);
			filled[i] = true;
		}
	}
	cout << ans - ppl.size() << endl;
}

int main(){
	int tc = 1;
	while(tc--) solve();
}

• Subtask 1: 0 / 16
• Subtask 2: 0 / 9
• Subtask 3: 0 / 19
• Subtask 4: 0 / 24
• Subtask 5: 0 / 32