#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(long long i=0;i<(long long)(n);i++)
#define REP(i,k,n) for(long long i=k;i<(long long)(n);i++)
#define pb emplace_back
#define lb(v,k) (lower_bound(all(v),(k))-v.begin())
#define ub(v,k) (upper_bound(all(v),(k))-v.begin())
#define fi first
#define se second
#define pi M_PI
#define PQ(T) priority_queue<T>
#define SPQ(T) priority_queue<T,vector<T>,greater<T>>
#define dame(a) {out(a);return 0;}
#define decimal cout<<fixed<<setprecision(15);
#define all(a) a.begin(),a.end()
#define rsort(a) {sort(all(a));reverse(all(a));}
#define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());}
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef tuple<ll,ll,ll,ll> PPP;
using vi=vector<ll>;
using vvi=vector<vi>;
using vvvi=vector<vvi>;
using vvvvi=vector<vvvi>;
using vp=vector<P>;
using vvp=vector<vp>;
using vb=vector<bool>;
using vvb=vector<vb>;
const ll inf=1001001001001001001;
const ll INF=1001001001;
const ll mod=1000000007;
const double eps=1e-10;
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';}
template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';}
template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';}
template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);}
template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void outset(T s){auto itr=s.begin();while(itr!=s.end()){if(itr!=s.begin())cout<<' ';cout<<*itr;itr++;}cout<<'\n';}
void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);}
ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);}
ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;}
class segtree{
ll N=1;
vi seg;
public:
segtree(ll n){
while(N<n)N*=2;
seg=vi(N*2-1,inf);
}
void update(ll i,ll x){
i+=N-1;
chmin(seg[i],x);
while(i>0){
i=(i-1)>>1;
seg[i]=min(seg[i*2+1],seg[i*2+2]);
}
}
ll get(ll a,ll b,ll k=0,ll l=0,ll r=-1){
if(r==-1)r=N;
if(a<=l&&r<=b)return seg[k];
if(r<=a||b<=l)return inf;
return min(get(a,b,k*2+1,l,(l+r)>>1),get(a,b,k*2+2,(l+r)>>1,r));
}
};
int main(){
ll n,k;cin>>n>>k;
vvi v(n,vi(4));
vi srt;
rep(i,n){
rep(j,4)cin>>v[i][j];
rep(j,3)srt.pb(v[i][j]);
}
srt.pb(1);srt.pb(k);
dupli(srt);
segtree seg1(srt.size()),seg2(srt.size());
seg1.update(0,0);
seg2.update(srt.size()-1,0);
ll ans=inf;
rep(i,n){
ll ml=seg1.get(lb(srt,v[i][0]),lb(srt,v[i][1])+1);
ll mr=seg2.get(lb(srt,v[i][0]),lb(srt,v[i][1])+1);
chmin(ans,ml+mr+v[i][3]);
seg1.update(lb(srt,v[i][2]),ml+v[i][3]);
seg2.update(lb(srt,v[i][2]),mr+v[i][3]);
}
outs(ans,-1);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
2 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
2 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
4 ms |
492 KB |
Output is correct |
18 |
Correct |
4 ms |
492 KB |
Output is correct |
19 |
Correct |
4 ms |
620 KB |
Output is correct |
20 |
Correct |
4 ms |
620 KB |
Output is correct |
21 |
Correct |
2 ms |
620 KB |
Output is correct |
22 |
Correct |
4 ms |
620 KB |
Output is correct |
23 |
Correct |
4 ms |
640 KB |
Output is correct |
24 |
Correct |
4 ms |
620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
2 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
4 ms |
492 KB |
Output is correct |
18 |
Correct |
4 ms |
492 KB |
Output is correct |
19 |
Correct |
4 ms |
620 KB |
Output is correct |
20 |
Correct |
4 ms |
620 KB |
Output is correct |
21 |
Correct |
2 ms |
620 KB |
Output is correct |
22 |
Correct |
4 ms |
620 KB |
Output is correct |
23 |
Correct |
4 ms |
640 KB |
Output is correct |
24 |
Correct |
4 ms |
620 KB |
Output is correct |
25 |
Correct |
33 ms |
2672 KB |
Output is correct |
26 |
Correct |
101 ms |
5860 KB |
Output is correct |
27 |
Correct |
305 ms |
13796 KB |
Output is correct |
28 |
Correct |
289 ms |
15132 KB |
Output is correct |
29 |
Correct |
211 ms |
11132 KB |
Output is correct |
30 |
Correct |
349 ms |
15200 KB |
Output is correct |
31 |
Correct |
488 ms |
22028 KB |
Output is correct |
32 |
Correct |
433 ms |
17752 KB |
Output is correct |
33 |
Correct |
60 ms |
5092 KB |
Output is correct |
34 |
Correct |
218 ms |
15456 KB |
Output is correct |
35 |
Correct |
339 ms |
30168 KB |
Output is correct |
36 |
Correct |
515 ms |
30424 KB |
Output is correct |
37 |
Correct |
478 ms |
30168 KB |
Output is correct |
38 |
Correct |
425 ms |
30232 KB |
Output is correct |