Submission #602340

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
602340	2022-07-22 22:53:43	Bench0310	Harbingers (CEOI09_harbingers)	C++17	100 / 100	140 ms	23992 KiB

harbingers

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct line
{
    ll k,n;
    line(){}
    line(ll a,ll b){k=a;n=b;}
    ll eval(ll x){return (k*x+n);}
    friend double intersect(line &a,line &b){return (double(b.n-a.n)/(a.k-b.k));}
    friend bool ok(line &a,line &b,line &c){return (intersect(a,b)<intersect(b,c));}
};
const int N=100005;
int n;
array<int,3> v[2*N];
int vstart[N];
int ts[N];
int tv[N];
int depth[N];
line trie[N];
int ver[N]; //version of node i
double lim[N];
int p[N][17];
int tcnt=1;
ll res[N];
int add(int a,line l)
 
 
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• Subtask 1: 100 / 100