Submission #366173

#	Time	Username	Problem	Language	Result	Execution time	Memory
366173		inluminas	Semiexpress (JOI17_semiexpress)	C++14	18 / 100	1 ms	364 KiB

semiexpress

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

#define ll long long
#define fastio ios_base::sync_with_stdio(false)
#define endl "\n"

const ll lmt=3e3;
ll n,m,k,a,b,c,t,s[lmt],ans;

int main(){
	fastio;

	cin>>n>>m>>k>>a>>b>>c>>t;
	for(int i=1;i<=m;i++){
		cin>>s[i];
	}
	vector<ll>big;
	k-=m;
	for(int i=1;i<=m;i++){
		if(i==m && 	((n-1)*b)<=t){
			ans++;
			continue;
		}
		ll last=(s[i]-1)*b;
		if(last>t) continue;
		ll seat=(t-last)/a;
		ll seg=min(s[i+1]-1,s[i]+seat);
		ans+=(seg-s[i]+1);
		if(i==1) ans--;
		seg++;
		for(int j=1;j<=k && seg<s[i+1];j++){
			ll tme=last+(seg-s[i])*c;
			if(tme>t) break;
			ll seat2=(t-tme)/a;
			ll seg2=min(s[i+1]-1,seg+seat2);
			seg2++;
			big.push_back(seg2-seg);
			seg=seg2;
		}
	}
	sort(big.begin(),big.end());
	for(int i=0;i<min(k,(ll)big.size());i++){
		ans+=big[i];
	}
	cout<<ans<<endl;
	return 0;
}

• Subtask 1: 18 / 18
• Subtask 2: 0 / 30
• Subtask 3: 0 / 52