This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "fun.h"
#include<bits/stdc++.h>
#define ll long long
#define F first
#define S second
using namespace std;
vector<int> createFunTour(int n, int q) {
int root=0,hf=(n+1)/2,mn=n;
for(int i=0;i<n;i++){
int A=attractionsBehind(0,i);
if(A>hf&&A<mn){
mn=A,root=i;
}
}
int tr[100010],tc[3][100010];
vector<int> ch;
priority_queue<pair<int,int>> sub[3];
for(int i=0;i<n;i++){
tr[i]=hoursRequired(root,i);
if(tr[i]==1)ch.push_back(i);
}
int chsz=ch.size();
for(int i=0;i<chsz;i++){
for(int j=0;j<n;j++){
tc[i][j]=hoursRequired(ch[i],j);
if(tc[i][j]<tr[j]){
sub[i].push({tr[j],j});
}
}
}
int left=(n-1),mer=0,last=-1;
vector<int> ans;
while(left>0){
pair<int,int> best={0,-1};
for(int j=0;j<chsz;j++){
if(j!=last&&(!sub[j].empty())&&sub[j].top().F>best.F){
best={sub[j].top().F,j};
}
}
pair<int,int> mxsz={0,0};
for(int j=0;j<chsz;j++){
if(j!=last&&(!sub[j].empty())&&sub[j].size()>mxsz.F){
mxsz={sub[j].size(),j};
}
}
// if(mer==0&&mxsz.F*2>left){
// mer=1;
// int lf=3-last-mxsz.S;
// if(((!sub[lf].empty())&&(!sub[last].empty()))&&sub[lf].top().F>sub[last].top().F){
// left--;
// last=lf;
// auto [x,y]=sub[last].top();
// sub[last].pop();
// ans.push_back(y);
// }
// best.S=mxsz.S;
// if(last==mxsz.S)last=(last+1)%3;
// lf=3-last-mxsz.S;
// while(!sub[lf].empty()){
// sub[last].push(sub[lf].top());
// sub[lf].pop();
// }
// }
if(best.S==-1){
for(int j=0;j<chsz;j++){
if(!sub[j].empty())best.S=j;
}
}
auto [x,y]=sub[best.S].top();
sub[best.S].pop();
last=best.S;
ans.push_back(y);
left--;
}
ans.push_back(root);
return ans;
}
Compilation message (stderr)
fun.cpp: In function 'std::vector<int> createFunTour(int, int)':
fun.cpp:42:51: warning: comparison of integer expressions of different signedness: 'std::priority_queue<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
42 | if(j!=last&&(!sub[j].empty())&&sub[j].size()>mxsz.F){
| ^
fun.cpp:31:18: warning: unused variable 'mer' [-Wunused-variable]
31 | int left=(n-1),mer=0,last=-1;
| ^~~
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |