Submission #1036334

#	Time	Username	Problem	Language	Result	Execution time	Memory
1036334		Unforgettablepl	Ski 2 (JOI24_ski2)	C++17	12 / 100	1 ms	452 KiB

Main

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

#define int long long

int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n,k;
	cin >> n >> k;
	vector<int> cnt(1002);
	int ans = 0;
	int minh,minc;cin>>minh>>minc;
	for(int i=2;i<=n;i++){
		int h,c;
		cin >> h >> c;
		if(h==minh){
			ans+=k;
			h++;
		}
		cnt[h]++;
	}
	auto solve = [&](int x){
		for(int i=minh+1;i<=1000;i++){
			int temp = max(0ll,cnt[i]-x);
			cnt[i]-=temp;
			cnt[i+1]+=temp;
			ans+=k*temp;
		}
	};
	int actans = INT64_MAX;
	for(int i=300;i>=0;i--){
		solve(i);
		actans = min(actans,ans+max(0ll,minc*(i-1)));
	}
	cout << actans << '\n';
}

• Subtask 1: 0 / 5
• Subtask 2: 12 / 12
• Subtask 3: 0 / 9
• Subtask 4: 0 / 33
• Subtask 5: 0 / 27
• Subtask 6: 0 / 14