Submission #396596

#	Time	Username	Problem	Language	Result	Execution time	Memory
396596		keta_tsimakuridze	Semiexpress (JOI17_semiexpress)	C++14	100 / 100	2 ms	336 KiB

semiexpress

#include<bits/stdc++.h>
#define f first
#define int long long
#define s second
using namespace std;
const int N=2e5+5,mod=1e9+7;
int t,s[N],ans;
set<pair<int,pair<int,int> > > st;
 main(){
	int n,m,k,a,b,c,T;
	cin>>n>>m>>k;
	cin>>a>>b>>c;
	cin>>T;
	for(int i=1;i<=m;i++){
		cin>>s[i];
	}
	if((s[m]-1)*b <=T)ans++;
	for(int i=1;i<m;i++){
		int cur=s[i];
		int timer=(s[i]-1)*b;
		if(timer>T) continue;
		ans += min(s[i+1]-s[i],(T-timer)/a+1);
		cur = s[i] + min(s[i+1]-s[i],(T-timer)/a+1); 
		if(cur>=s[i+1]) continue;	
		timer+=c*(cur-s[i]);  
		if(timer> T) continue; 
		st.insert({min(s[i+1]-cur,(T-timer)/a+1),{i,cur+min(s[i+1]-cur,(T-timer)/a+1)}});

	}
	k-=m; 
	while(k && st.size()){
		pair<int,pair<int,int> > p = *--st.end(); 
		int i = p.s.f;
		int adds=p.f; ans+=adds;
		int cur=p.s.s;
		int timer=(s[i]-1)*b+(cur-s[i])*c; 
		st.erase(p);
		k--;
		if(timer>T || cur>=s[i+1]) continue;
		adds = min(s[i+1]-cur,(T-timer)/a+1);
		cur += adds; 
	
		st.insert({adds,{i,cur}});
	
	}
	cout<<ans-1;
}

Compilation message (stderr)

semiexpress.cpp:9:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 |  main(){
      |       ^

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