#include<bits/stdc++.h>
#include "railroad.h"
using namespace std;
long long pas,A,B;
int a,b,c,d,e,i,j,ii,jj,zx,xc,S[200009],T[200009],pi,msh[400009],zm[400009],cmp;
pair <int, int> p[400009];
map <int, int> m;
map <int, int>::iterator it;
//vector <int> v[400009];
vector <pair <pair <int, int>, int> > edges;
int fnd(int q){
if(msh[q]==q) return q; else return msh[q]=fnd(msh[q]);
}
void mrg(int q, int w){
q=fnd(q);w=fnd(w);
if(q==w) return;
cmp--;
if(zm[q]<zm[w]) swap(q,w);
if(zm[q]==zm[w]) zm[q]++;
msh[w]=q;
}
long long plan_roller_coaster(std::vector<int> Ss, std::vector<int> Tt) {
a=Ss.size();
for(i=1; i<=a; i++){
S[i]=Ss[i-1];T[i]=Tt[i-1];
}
for(i=1; i<=a; i++){
m[S[i]]++;m[T[i]]--;
}
zx=0;xc=0;
pi++;p[pi]={0,0};
xc++;m[0]=xc;
for(it=m.begin(); it!=m.end(); it++){
if((*it).first==0) continue;
zx+=(*it).second;
pi++;p[pi]={(*it).first,zx};
xc++;
(*it).second=xc;
if(zx>1){
edges.push_back({{m[p[pi-1].first],m[p[pi].first]},0});
A=zx-1;B=(p[pi].first-p[pi-1].first);
pas+=A*B;
}
}
pi++;p[pi]={1000000003,zx};
xc++;m[p[pi].first]=xc;
for(ii=1; ii<pi; ii++){
if(p[ii].second<1){
/*v[m[p[ii].first]].push_back(m[p[ii+1].first]);
v[m[p[ii+1].first]].push_back(m[p[ii].first]);*/
edges.push_back({{m[p[ii].first],m[p[ii+1].first]},0});
}
}
for(i=1; i<=a; i++){
/*v[m[S[i]]].push_back(m[T[i]]);
v[m[T[i]]].push_back(m[S[i]]);*/
edges.push_back({{m[S[i]],m[T[i]]},0});
}
/*dfs(1);
if(raod!=pi) return 1;*/
for(ii=1; ii<pi; ii++){
edges.push_back({{m[p[ii].first],m[p[ii+1].first]},p[ii+1].first-p[ii].first});
}
for(auto &x:edges){
swap(x.first.first,x.second);
}
sort(edges.begin(),edges.end());
for(auto &x:edges){
swap(x.first.first,x.second);
}
for(i=1; i<=pi; i++){
msh[i]=i;zm[i]=0;
}
cmp=pi;
//cout<<pas<<"\n";
for(auto x:edges){
if(cmp==1) break;
//cout<<x.first.first<<" "<<x.first.second<<" "<<x.second<<" :";
if(fnd(x.first.first)==fnd(x.first.second)) continue;
mrg(x.first.first,x.first.second);
//cout<<cmp<<"\n";
pas+=x.second;
}
return pas;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
n = 2 |
2 |
Correct |
0 ms |
212 KB |
n = 2 |
3 |
Correct |
1 ms |
212 KB |
n = 2 |
4 |
Correct |
1 ms |
212 KB |
n = 2 |
5 |
Correct |
0 ms |
212 KB |
n = 2 |
6 |
Incorrect |
0 ms |
212 KB |
answer is not correct: 69049296 instead of 523688153 |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
n = 2 |
2 |
Correct |
0 ms |
212 KB |
n = 2 |
3 |
Correct |
1 ms |
212 KB |
n = 2 |
4 |
Correct |
1 ms |
212 KB |
n = 2 |
5 |
Correct |
0 ms |
212 KB |
n = 2 |
6 |
Incorrect |
0 ms |
212 KB |
answer is not correct: 69049296 instead of 523688153 |
7 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
624 ms |
41912 KB |
n = 199999 |
2 |
Correct |
601 ms |
41800 KB |
n = 199991 |
3 |
Correct |
593 ms |
42024 KB |
n = 199993 |
4 |
Correct |
449 ms |
32912 KB |
n = 152076 |
5 |
Correct |
213 ms |
19824 KB |
n = 93249 |
6 |
Correct |
518 ms |
35652 KB |
n = 199910 |
7 |
Correct |
515 ms |
41128 KB |
n = 199999 |
8 |
Correct |
410 ms |
35868 KB |
n = 199997 |
9 |
Correct |
527 ms |
35840 KB |
n = 171294 |
10 |
Correct |
406 ms |
31416 KB |
n = 140872 |
11 |
Correct |
502 ms |
36060 KB |
n = 199886 |
12 |
Correct |
596 ms |
41144 KB |
n = 199996 |
13 |
Correct |
499 ms |
36968 KB |
n = 200000 |
14 |
Correct |
503 ms |
39472 KB |
n = 199998 |
15 |
Correct |
483 ms |
38956 KB |
n = 200000 |
16 |
Correct |
493 ms |
40008 KB |
n = 199998 |
17 |
Correct |
489 ms |
41888 KB |
n = 200000 |
18 |
Correct |
502 ms |
39756 KB |
n = 190000 |
19 |
Correct |
443 ms |
37260 KB |
n = 177777 |
20 |
Correct |
227 ms |
21232 KB |
n = 100000 |
21 |
Correct |
528 ms |
41892 KB |
n = 200000 |
22 |
Correct |
531 ms |
39620 KB |
n = 200000 |
23 |
Correct |
573 ms |
39456 KB |
n = 200000 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
n = 2 |
2 |
Correct |
0 ms |
212 KB |
n = 2 |
3 |
Correct |
1 ms |
212 KB |
n = 2 |
4 |
Correct |
1 ms |
212 KB |
n = 2 |
5 |
Correct |
0 ms |
212 KB |
n = 2 |
6 |
Incorrect |
0 ms |
212 KB |
answer is not correct: 69049296 instead of 523688153 |
7 |
Halted |
0 ms |
0 KB |
- |