#include <bits/stdc++.h>
#define int long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
using namespace std;
const int N=1e5+5;
int l[N*4],r[N*4];
map <int,int> val_ind;
void build(int v,int tl,int tr){
if(tl==tr){
l[v]=1e16;
r[v]=1e16;
}
else{
int tm=(tl+tr)/2;
build(v*2,tl,tm);
build(v*2+1,tm+1,tr);
l[v]=min(l[v*2],l[v*2+1]);
r[v]=min(r[v*2],r[v*2+1]);
}
}
int get_min_l(int v,int tl,int tr,int L,int R){
if(tr<L or R<tl)return 1e18;
if(L<=tl && tr<=R)return l[v];
int tm=(tl+tr)/2;
return min(get_min_l(v*2,tl,tm,L,R), get_min_l(v*2+1,tm+1,tr,L,R));
}
int get_min_r(int v,int tl,int tr,int L,int R){
if(tr<L or R<tl)return 1e18;
if(L<=tl && tr<=R)return r[v];
int tm=(tl+tr)/2;
return min(get_min_r(v*2,tl,tm,L,R), get_min_r(v*2+1,tm+1,tr,L,R));
}
void update_l(int v,int tl,int tr,int pos,int val){
if(tl==tr)l[v]=min(val,l[v]);
else{
int tm=(tl+tr)/2;
if(pos<=tm)update_l(v*2,tl,tm,pos,val);
else update_l(v*2+1,tm+1,tr,pos,val);
l[v]=min(l[v*2],l[v*2+1]);
}
}
void update_r(int v,int tl,int tr,int pos,int val){
if(tl==tr)r[v]=min(val,r[v]);
else{
int tm=(tl+tr)/2;
if(pos<=tm)update_r(v*2,tl,tm,pos,val);
else update_r(v*2+1,tm+1,tr,pos,val);
r[v]=min(r[v*2],r[v*2+1]);
}
}
signed main(){
ios_base::sync_with_stdio();
cin.tie(0);
int m,T;
cin>>m>>T;
vector <int> a(m),b(m),c(m),d(m);
set <int> st;
st.insert(1);st.insert(T);
for(int i=0;i<m;i++){
cin>>a[i]>>b[i]>>c[i]>>d[i];
st.insert(a[i]);
st.insert(b[i]);
st.insert(c[i]);
}
int cnt=1;
for(auto x : st){
val_ind[x]=cnt;
cnt++;
}
int n=st.size();
build(1,1,n);
int ans=1e16;
for(int i=0;i<m;i++){
int res=0;
if(a[i]==1){
res+=d[i];
update_l(1,1,n,val_ind[c[i]],d[i]);
}
else{
int x=get_min_l(1,1,n,val_ind[a[i]],val_ind[b[i]]);
res+=x;res+=d[i];
update_l(1,1,n,val_ind[c[i]],x+d[i]);
}
if(b[i]==T){
res+=d[i];
update_r(1,1,n,val_ind[c[i]],d[i]);
}
else{
int x=get_min_r(1,1,n,val_ind[a[i]],val_ind[b[i]]);
res+=x;res+=d[i];
update_r(1,1,n,val_ind[c[i]],x+d[i]);
}
ans=min(ans,res-d[i]);
}
if(ans==1e16)ans=-1;
cout<<ans<<"\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2392 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2648 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2392 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2648 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2392 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
3 ms |
2652 KB |
Output is correct |
18 |
Correct |
2 ms |
2396 KB |
Output is correct |
19 |
Correct |
3 ms |
2908 KB |
Output is correct |
20 |
Correct |
3 ms |
2596 KB |
Output is correct |
21 |
Correct |
2 ms |
2648 KB |
Output is correct |
22 |
Correct |
3 ms |
2908 KB |
Output is correct |
23 |
Correct |
4 ms |
2908 KB |
Output is correct |
24 |
Correct |
3 ms |
2908 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2392 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2648 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2392 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
3 ms |
2652 KB |
Output is correct |
18 |
Correct |
2 ms |
2396 KB |
Output is correct |
19 |
Correct |
3 ms |
2908 KB |
Output is correct |
20 |
Correct |
3 ms |
2596 KB |
Output is correct |
21 |
Correct |
2 ms |
2648 KB |
Output is correct |
22 |
Correct |
3 ms |
2908 KB |
Output is correct |
23 |
Correct |
4 ms |
2908 KB |
Output is correct |
24 |
Correct |
3 ms |
2908 KB |
Output is correct |
25 |
Correct |
30 ms |
7004 KB |
Output is correct |
26 |
Correct |
92 ms |
12468 KB |
Output is correct |
27 |
Correct |
275 ms |
21448 KB |
Output is correct |
28 |
Correct |
197 ms |
9644 KB |
Output is correct |
29 |
Correct |
196 ms |
19116 KB |
Output is correct |
30 |
Correct |
276 ms |
13648 KB |
Output is correct |
31 |
Runtime error |
234 ms |
59556 KB |
Execution killed with signal 11 |
32 |
Halted |
0 ms |
0 KB |
- |