#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=1e6+5;
const ld pi=3.14159265359;
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()
ll seg[2][4*N];
ll n,len,A[N],B[N],C[N],D[N],ans=INF,dpa,dpb;
vector<ll> lis;
void ins(ll ty,ll id,ll L,ll R,ll to,ll x){
if(R-L==1){seg[ty][id]=min(seg[ty][id],x);return;}
ll mid=(L+R)/2;
if(to<mid){
ins(ty,id*2,L,mid,to,x);
}else{
ins(ty,id*2+1,mid,R,to,x);
}
seg[ty][id]=min(seg[ty][id*2],seg[ty][id*2+1]);
}
ll query(ll ty,ll id,ll L,ll R,ll ql,ll qr){
if(L>=qr||R<=ql)return INF;
if(L>=ql&&R<=qr)return seg[ty][id];
ll mid=(L+R)/2;
return min(query(ty,id*2,L,mid,ql,qr),query(ty,id*2+1,mid,R,ql,qr));
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);
cin>>n>>len;
REP(i,n){
cin>>A[i]>>B[i]>>C[i]>>D[i];
lis.pb(A[i]);lis.pb(B[i]);lis.pb(C[i]);
}
lis.pb(1);lis.pb(len);
sort(lis.begin(),lis.end());
lis.resize(unique(lis.begin(),lis.end())-lis.begin());
REP(i,n){
A[i]=lwb(lis.begin(),lis.end(),A[i])-lis.begin();
B[i]=lwb(lis.begin(),lis.end(),B[i])-lis.begin();
C[i]=lwb(lis.begin(),lis.end(),C[i])-lis.begin();
}
len=SZ(lis);
REP(i,2)REP(j,4*N)seg[i][j]=INF;
ins(0,1,0,len,0,0);
ins(1,1,0,len,len-1,0);
REP(i,n){
dpa=D[i]+query(0,1,0,len,A[i],B[i]+1);
dpb=D[i]+query(1,1,0,len,A[i],B[i]+1);
ans=min(ans,dpa+dpb-D[i]);
ins(0,1,0,len,C[i],dpa);
ins(1,1,0,len,C[i],dpb);
}
cout<<(ans>=INF?-1:ans)<<"\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
37 ms |
62968 KB |
Output is correct |
2 |
Correct |
38 ms |
63096 KB |
Output is correct |
3 |
Correct |
36 ms |
62968 KB |
Output is correct |
4 |
Correct |
36 ms |
62972 KB |
Output is correct |
5 |
Correct |
37 ms |
62968 KB |
Output is correct |
6 |
Correct |
37 ms |
62968 KB |
Output is correct |
7 |
Correct |
36 ms |
62968 KB |
Output is correct |
8 |
Correct |
36 ms |
62968 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
37 ms |
62968 KB |
Output is correct |
2 |
Correct |
38 ms |
63096 KB |
Output is correct |
3 |
Correct |
36 ms |
62968 KB |
Output is correct |
4 |
Correct |
36 ms |
62972 KB |
Output is correct |
5 |
Correct |
37 ms |
62968 KB |
Output is correct |
6 |
Correct |
37 ms |
62968 KB |
Output is correct |
7 |
Correct |
36 ms |
62968 KB |
Output is correct |
8 |
Correct |
36 ms |
62968 KB |
Output is correct |
9 |
Correct |
36 ms |
62972 KB |
Output is correct |
10 |
Correct |
35 ms |
62976 KB |
Output is correct |
11 |
Correct |
37 ms |
62968 KB |
Output is correct |
12 |
Correct |
36 ms |
62968 KB |
Output is correct |
13 |
Correct |
36 ms |
62968 KB |
Output is correct |
14 |
Correct |
36 ms |
63096 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
37 ms |
62968 KB |
Output is correct |
2 |
Correct |
38 ms |
63096 KB |
Output is correct |
3 |
Correct |
36 ms |
62968 KB |
Output is correct |
4 |
Correct |
36 ms |
62972 KB |
Output is correct |
5 |
Correct |
37 ms |
62968 KB |
Output is correct |
6 |
Correct |
37 ms |
62968 KB |
Output is correct |
7 |
Correct |
36 ms |
62968 KB |
Output is correct |
8 |
Correct |
36 ms |
62968 KB |
Output is correct |
9 |
Correct |
36 ms |
62972 KB |
Output is correct |
10 |
Correct |
35 ms |
62976 KB |
Output is correct |
11 |
Correct |
37 ms |
62968 KB |
Output is correct |
12 |
Correct |
36 ms |
62968 KB |
Output is correct |
13 |
Correct |
36 ms |
62968 KB |
Output is correct |
14 |
Correct |
36 ms |
63096 KB |
Output is correct |
15 |
Correct |
36 ms |
62972 KB |
Output is correct |
16 |
Correct |
36 ms |
62968 KB |
Output is correct |
17 |
Correct |
37 ms |
63096 KB |
Output is correct |
18 |
Correct |
36 ms |
63160 KB |
Output is correct |
19 |
Correct |
38 ms |
63096 KB |
Output is correct |
20 |
Correct |
37 ms |
63096 KB |
Output is correct |
21 |
Correct |
37 ms |
63096 KB |
Output is correct |
22 |
Correct |
38 ms |
63224 KB |
Output is correct |
23 |
Correct |
39 ms |
63096 KB |
Output is correct |
24 |
Correct |
37 ms |
63104 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
37 ms |
62968 KB |
Output is correct |
2 |
Correct |
38 ms |
63096 KB |
Output is correct |
3 |
Correct |
36 ms |
62968 KB |
Output is correct |
4 |
Correct |
36 ms |
62972 KB |
Output is correct |
5 |
Correct |
37 ms |
62968 KB |
Output is correct |
6 |
Correct |
37 ms |
62968 KB |
Output is correct |
7 |
Correct |
36 ms |
62968 KB |
Output is correct |
8 |
Correct |
36 ms |
62968 KB |
Output is correct |
9 |
Correct |
36 ms |
62972 KB |
Output is correct |
10 |
Correct |
35 ms |
62976 KB |
Output is correct |
11 |
Correct |
37 ms |
62968 KB |
Output is correct |
12 |
Correct |
36 ms |
62968 KB |
Output is correct |
13 |
Correct |
36 ms |
62968 KB |
Output is correct |
14 |
Correct |
36 ms |
63096 KB |
Output is correct |
15 |
Correct |
36 ms |
62972 KB |
Output is correct |
16 |
Correct |
36 ms |
62968 KB |
Output is correct |
17 |
Correct |
37 ms |
63096 KB |
Output is correct |
18 |
Correct |
36 ms |
63160 KB |
Output is correct |
19 |
Correct |
38 ms |
63096 KB |
Output is correct |
20 |
Correct |
37 ms |
63096 KB |
Output is correct |
21 |
Correct |
37 ms |
63096 KB |
Output is correct |
22 |
Correct |
38 ms |
63224 KB |
Output is correct |
23 |
Correct |
39 ms |
63096 KB |
Output is correct |
24 |
Correct |
37 ms |
63104 KB |
Output is correct |
25 |
Correct |
57 ms |
63992 KB |
Output is correct |
26 |
Correct |
95 ms |
65392 KB |
Output is correct |
27 |
Correct |
220 ms |
69480 KB |
Output is correct |
28 |
Correct |
192 ms |
72416 KB |
Output is correct |
29 |
Correct |
169 ms |
67812 KB |
Output is correct |
30 |
Correct |
256 ms |
72416 KB |
Output is correct |
31 |
Correct |
349 ms |
72416 KB |
Output is correct |
32 |
Correct |
313 ms |
72544 KB |
Output is correct |
33 |
Correct |
71 ms |
64884 KB |
Output is correct |
34 |
Correct |
166 ms |
67816 KB |
Output is correct |
35 |
Correct |
232 ms |
72560 KB |
Output is correct |
36 |
Correct |
365 ms |
72544 KB |
Output is correct |
37 |
Correct |
333 ms |
72540 KB |
Output is correct |
38 |
Correct |
320 ms |
72416 KB |
Output is correct |