#include <bits/stdc++.h>
#define FOR(ii,aa,bb) for(int ii=aa;ii<bb;ii++)
#define for0(ii,bb) FOR(ii,0,bb)
#define for1(ii,bb) FOR(ii,1,bb+1)
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define st first
#define nd second
#define pii pair<int,int>
#define piii pair<int,pii>
#define piiii pair<pii,pii>
#define pdi pair<double,int>
#define vi vector<int>
#define sp " "
#define nl "\n"
#define all(x) x.begin(),x.end()
#define fastio() ios_base::sync_with_stdio(0);cin.tie(0);
#define ll long long
#define int ll
using namespace std;
const int N = 1e5+5;
const int INF = 1e9+5;
const int mod = 1e9+7;
int n,ans[N];
multiset<int> s[9];
void solve(int pos,int cur){
if(pos==n){
if(s[7].size()){
if(cur==2||cur==4||cur==6)
ans[n]=*s[7].begin();
else
return;
}
else{
if(cur==1||cur==3||cur==5)
ans[n]=*s[8].begin();
else
return;
}
for(int i=1;i<=n;i++)
cout << ans[i] << sp;
exit(0);
}
if(cur==1||cur==3||cur==5){
if(s[3].empty()&&s[4].empty())
return;
if(s[4].empty()){
int a=*s[3].begin();
ans[pos]=a;
s[3].erase(s[3].begin());
solve(pos+1,3);
s[3].insert(a);
return;
}
if(s[3].empty()){
int b=*s[4].begin();
ans[pos]=b;
s[4].erase(s[4].begin());
solve(pos+1,4);
s[4].insert(b);
return;
}
int a=*s[3].begin();
int b=*s[4].begin();
if(a<b){
ans[pos]=a;
s[3].erase(s[3].begin());
solve(pos+1,3);
s[3].insert(a);
ans[pos]=b;
s[4].erase(s[4].begin());
solve(pos+1,4);
s[4].insert(b);
}
else{
ans[pos]=b;
s[4].erase(s[4].begin());
solve(pos+1,4);
s[4].insert(b);
ans[pos]=a;
s[3].erase(s[3].begin());
solve(pos+1,3);
s[3].insert(a);
}
}
else if(cur==2||cur==4||cur==6){
if(s[1].empty()&&s[2].empty())
return;
if(s[2].empty()){
int a=*s[1].begin();
ans[pos]=a;
s[1].erase(s[1].begin());
solve(pos+1,1);
s[1].insert(a);
return;
}
if(s[1].empty()){
int b=*s[2].begin();
ans[pos]=b;
s[2].erase(s[2].begin());
solve(pos+1,2);
s[2].insert(b);
return;
}
int a=*s[1].begin();
int b=*s[2].begin();
if(a<b){
ans[pos]=a;
s[1].erase(s[1].begin());
solve(pos+1,1);
s[1].insert(a);
ans[pos]=b;
s[2].erase(s[2].begin());
solve(pos+1,2);
s[2].insert(b);
}
else{
ans[pos]=b;
s[2].erase(s[2].begin());
solve(pos+1,2);
s[2].insert(b);
ans[pos]=a;
s[1].erase(s[1].begin());
solve(pos+1,1);
s[1].insert(a);
}
}
}
signed main(){
fastio()
cin >> n;
for(int i=1;i<=n;i++){
int t,x;
cin >> t >> x;
s[t].insert(x);
}
// for(int i=1;i<=8;i++){
// cout << i << " -> ";
// for(int e:s[i])
// cout << e << sp;
// cout << nl;
// }
if(s[6].empty()){
ans[1]=*s[5].begin();
s[5].erase(s[5].begin());
solve(2,5);
}
else{
ans[1]=*s[6].begin();
s[6].erase(s[6].begin());
solve(2,6);
}
cout << -1 << nl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
57 ms |
13736 KB |
Output is correct |
2 |
Correct |
80 ms |
13764 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
56 ms |
13196 KB |
Output is correct |
2 |
Correct |
69 ms |
12948 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
64 ms |
10436 KB |
Output is correct |
2 |
Execution timed out |
1082 ms |
12596 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
57 ms |
9028 KB |
Output is correct |
2 |
Correct |
54 ms |
12996 KB |
Output is correct |
3 |
Execution timed out |
1087 ms |
12312 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1095 ms |
9536 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
55 ms |
13192 KB |
Output is correct |
2 |
Correct |
60 ms |
9600 KB |
Output is correct |
3 |
Execution timed out |
1100 ms |
11868 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1093 ms |
12612 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
89 ms |
15548 KB |
Output is correct |
2 |
Execution timed out |
1087 ms |
12612 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
55 ms |
13024 KB |
Output is correct |
2 |
Execution timed out |
1088 ms |
12876 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
15420 KB |
Output is correct |
2 |
Execution timed out |
1085 ms |
14004 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
12868 KB |
Output is correct |
2 |
Execution timed out |
1077 ms |
12904 KB |
Time limit exceeded |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
53 ms |
13084 KB |
Output is correct |
2 |
Execution timed out |
1095 ms |
13480 KB |
Time limit exceeded |