Submission #397062

#	Time	Username	Problem	Language	Result	Execution time	Memory
397062		wildturtle	Semiexpress (JOI17_semiexpress)	C++14	0 / 100	1 ms	304 KiB

semiexpress

#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll a,b,c,d,i,e,f,g,n,m,k,l,t,A[500005],l1,l2,ans,t1,t2;
multiset<ll> ms;
int main() {
    cin>>n>>m>>k;
    cin>>a>>b>>c;
    cin>>t;
    for(ll i=1;i<=m;i++) {
        cin>>A[i];
    }
    for(ll i=1;i<m;i++) {
        t1=t-b*(A[i]-1);
        if(t1<0) break;
        //cout<<i<<" "<<t-b*(A[i]-1)<<" ";
        l=min(A[i]+(t1/a),A[i+1]-1);
        ans+=(l-A[i]+1);
        if(i==1) ans--;
        //cout<<ans<<endl;
        f=1; l1=A[i]; l++; t2=t1;
        while(l<=A[i+1]-1 && f<=(k-m)) {
            t2-=c*(l-l1);
            if(t2<0) break;
            //cout<<l<<" "<<l1<<endl;
            l2=min(A[i+1]-1,l+(t2/a));
            ms.insert(-(l2-l+1));
            l1=l; l=l2+1;
            f++;
        }
    }
    if(A[m]*b<=t) ans++;
    f=1;
    while(ms.size() && f<=(k-m)) {
        f++;
        ans-=*ms.begin();
        ms.erase(ms.find(*ms.begin()));
    }
    cout<<ans;
}

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