| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 442659 |
2021-07-08T13:53:09 Z |
Saynaa |
Drvca (COCI19_drvca) |
C++14 |
|
147 ms |
7372 KB |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 1e5 + 10;
int n, a[MAXN];
multiset< int > all, m1, m2;
bool solve(int d, int mn){
m1.clear(), m2.clear(), all.clear();
for(int i = 0; i < n; i ++)
all.insert(a[i]);
while( 1 ){
if( all.empty() || *all.lower_bound(mn) != mn)
break;
m1.insert(mn), all.erase(all.lower_bound(mn));
mn += d;
}
if( all.empty()){
cout << m1.size() - 1 << endl;
int i = 0;
for(multiset< int > :: iterator it = m1.begin(); i < m1.size() - 1; it ++, i ++)
cout << *it << " ";
cout << endl << 1 << endl;
cout << *(--m1.end()) << endl;
return true;
}
if( all.size() <= 2){
cout << m1.size() << endl;
for(multiset< int > :: iterator it = m1.begin(); it != m1.end(); it ++)
cout << *it << " ";
cout << endl << m2.size() << endl;
for(multiset< int > :: iterator it = m2.begin();it != m2.end(); it ++)
cout << *it << " ";
cout << endl;
return true;
}
multiset< int > :: iterator ls = all.end();
ls --;
bool ok = false;
mn = *all.begin();
d = min(*(++all.begin()) - mn, *(all.rbegin()) - *(--ls));
while( all.size() ){
if( *all.lower_bound(mn) != mn){
if( m1.count(mn)){
m1.erase(m1.lower_bound(mn));
m2.insert(mn);
mn += d;
ok = true;
continue;
}
else return false;
}
m2.insert(mn);
all.erase(all.lower_bound(mn));
mn += d;
}
while( ok && *m1.lower_bound(mn) == mn){
m1.erase(m1.lower_bound(mn));
m2.insert(mn);
mn += d;
}
if( ok && *m1.lower_bound(mn) == mn) return false;
if( m1.empty()) return false;
cout << m1.size() << endl;
for(multiset< int > :: iterator it = m1.begin(); it != m1.end(); it ++)
cout << *it << " ";
cout << endl << m2.size() << endl;
for(multiset< int > :: iterator it = m2.begin();it != m2.end(); it ++)
cout << *it << " ";
cout << endl;
return true;
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin >> n;
for(int i = 0; i < n; i ++)
cin >> a[i];
if( n == 2){
cout << 1 << endl << a[0] << endl;
cout << 1 << endl << a[1] << endl;
return 0;
}
sort(a, a + n);
if( solve(a[1] - a[0], a[0]))
return 0;
if( solve(a[2] - a[0], a[0]))
return 0;
if( solve(a[2] - a[1], a[1]))
return 0;
cout << -1 << endl;
return 0;
}
Compilation message
drvca.cpp: In function 'bool solve(int, int)':
drvca.cpp:21:54: warning: comparison of integer expressions of different signedness: 'int' and 'std::multiset<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
21 | for(multiset< int > :: iterator it = m1.begin(); i < m1.size() - 1; it ++, i ++)
| ~~^~~~~~~~~~~~~~~
| # |
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 |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
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 |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
316 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| 27 |
Correct |
1 ms |
316 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
89 ms |
7320 KB |
Output is correct |
| 2 |
Correct |
87 ms |
7308 KB |
Output is correct |
| 3 |
Correct |
90 ms |
7356 KB |
Output is correct |
| 4 |
Correct |
84 ms |
7268 KB |
Output is correct |
| 5 |
Correct |
92 ms |
7308 KB |
Output is correct |
| 6 |
Correct |
88 ms |
7364 KB |
Output is correct |
| 7 |
Correct |
90 ms |
7296 KB |
Output is correct |
| 8 |
Correct |
88 ms |
7316 KB |
Output is correct |
| 9 |
Correct |
86 ms |
6736 KB |
Output is correct |
| 10 |
Correct |
88 ms |
7324 KB |
Output is correct |
| 11 |
Correct |
81 ms |
7292 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
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 |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
316 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| 27 |
Correct |
1 ms |
316 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
328 KB |
Output is correct |
| 31 |
Correct |
89 ms |
7320 KB |
Output is correct |
| 32 |
Correct |
87 ms |
7308 KB |
Output is correct |
| 33 |
Correct |
90 ms |
7356 KB |
Output is correct |
| 34 |
Correct |
84 ms |
7268 KB |
Output is correct |
| 35 |
Correct |
92 ms |
7308 KB |
Output is correct |
| 36 |
Correct |
88 ms |
7364 KB |
Output is correct |
| 37 |
Correct |
90 ms |
7296 KB |
Output is correct |
| 38 |
Correct |
88 ms |
7316 KB |
Output is correct |
| 39 |
Correct |
86 ms |
6736 KB |
Output is correct |
| 40 |
Correct |
88 ms |
7324 KB |
Output is correct |
| 41 |
Correct |
81 ms |
7292 KB |
Output is correct |
| 42 |
Correct |
1 ms |
204 KB |
Output is correct |
| 43 |
Correct |
87 ms |
7344 KB |
Output is correct |
| 44 |
Correct |
147 ms |
6316 KB |
Output is correct |
| 45 |
Correct |
92 ms |
6704 KB |
Output is correct |
| 46 |
Correct |
85 ms |
7308 KB |
Output is correct |
| 47 |
Correct |
125 ms |
6276 KB |
Output is correct |
| 48 |
Correct |
85 ms |
6724 KB |
Output is correct |
| 49 |
Correct |
89 ms |
7372 KB |
Output is correct |
| 50 |
Correct |
123 ms |
6380 KB |
Output is correct |
| 51 |
Correct |
89 ms |
6780 KB |
Output is correct |
| 52 |
Correct |
85 ms |
7364 KB |
Output is correct |
| 53 |
Correct |
122 ms |
6376 KB |
Output is correct |
| 54 |
Correct |
91 ms |
6780 KB |
Output is correct |
| 55 |
Correct |
88 ms |
7356 KB |
Output is correct |
| 56 |
Correct |
79 ms |
7364 KB |
Output is correct |
| 57 |
Correct |
81 ms |
7300 KB |
Output is correct |
| 58 |
Correct |
1 ms |
320 KB |
Output is correct |
