#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <chrono>
#include <random>
#include <bitset>
#include <utility>
int n;
int l[200005], r[200005];
long long a[200005];
std::set <std::pair <long long, int> > S;
int main()
{
std::ios_base::sync_with_stdio(false);
std::cin.tie(0);
std::cout.tie(0);
std::cin >> n;
a[0] = -1e18;
a[n + 1] = -1e18;
for(int i = 1; i <= n; i++)
{
std::cin >> a[i];
S.insert(std::make_pair(-a[i], i));
l[i] = i - 1;
r[i] = i + 1;
}
long long ans = 0;
for(int i = 1; i <= (n + 1) / 2; i++)
{
int id = (*S.begin()).second;
S.erase(S.begin());
int left = l[id], right = r[id];
if(left)
{
S.erase(std::make_pair(-a[left], left));
}
if(right != n + 1)
{
S.erase(std::make_pair(-a[right], right));
}
ans += a[id];
if(left != 0)
{
r[l[left]] = id;
l[id] = l[left];
}
if(right != n + 1)
{
l[r[right]] = id;
r[id] = r[right];
}
a[id] = a[left] + a[right] - a[id];
S.insert(std::make_pair(-a[id], id));
std::cout << ans << '\n';
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
492 KB |
Output is correct |
| 2 |
Correct |
2 ms |
640 KB |
Output is correct |
| 3 |
Correct |
2 ms |
620 KB |
Output is correct |
| 4 |
Correct |
2 ms |
620 KB |
Output is correct |
| 5 |
Correct |
2 ms |
620 KB |
Output is correct |
| 6 |
Correct |
2 ms |
620 KB |
Output is correct |
| 7 |
Correct |
2 ms |
620 KB |
Output is correct |
| 8 |
Correct |
2 ms |
620 KB |
Output is correct |
| 9 |
Correct |
2 ms |
620 KB |
Output is correct |
| 10 |
Correct |
2 ms |
620 KB |
Output is correct |
| 11 |
Correct |
2 ms |
620 KB |
Output is correct |
| 12 |
Correct |
2 ms |
620 KB |
Output is correct |
| 13 |
Correct |
2 ms |
620 KB |
Output is correct |
| 14 |
Correct |
2 ms |
620 KB |
Output is correct |
| 15 |
Correct |
2 ms |
620 KB |
Output is correct |
| 16 |
Correct |
2 ms |
620 KB |
Output is correct |
| 17 |
Correct |
2 ms |
620 KB |
Output is correct |
| 18 |
Correct |
2 ms |
620 KB |
Output is correct |
| 19 |
Correct |
2 ms |
620 KB |
Output is correct |
| 20 |
Correct |
2 ms |
620 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
492 KB |
Output is correct |
| 2 |
Correct |
2 ms |
640 KB |
Output is correct |
| 3 |
Correct |
2 ms |
620 KB |
Output is correct |
| 4 |
Correct |
2 ms |
620 KB |
Output is correct |
| 5 |
Correct |
2 ms |
620 KB |
Output is correct |
| 6 |
Correct |
2 ms |
620 KB |
Output is correct |
| 7 |
Correct |
2 ms |
620 KB |
Output is correct |
| 8 |
Correct |
2 ms |
620 KB |
Output is correct |
| 9 |
Correct |
2 ms |
620 KB |
Output is correct |
| 10 |
Correct |
2 ms |
620 KB |
Output is correct |
| 11 |
Correct |
2 ms |
620 KB |
Output is correct |
| 12 |
Correct |
2 ms |
620 KB |
Output is correct |
| 13 |
Correct |
2 ms |
620 KB |
Output is correct |
| 14 |
Correct |
2 ms |
620 KB |
Output is correct |
| 15 |
Correct |
2 ms |
620 KB |
Output is correct |
| 16 |
Correct |
2 ms |
620 KB |
Output is correct |
| 17 |
Correct |
2 ms |
620 KB |
Output is correct |
| 18 |
Correct |
2 ms |
620 KB |
Output is correct |
| 19 |
Correct |
2 ms |
620 KB |
Output is correct |
| 20 |
Correct |
2 ms |
620 KB |
Output is correct |
| 21 |
Correct |
389 ms |
19328 KB |
Output is correct |
| 22 |
Correct |
376 ms |
19436 KB |
Output is correct |
| 23 |
Correct |
376 ms |
19436 KB |
Output is correct |
| 24 |
Correct |
149 ms |
19308 KB |
Output is correct |
| 25 |
Correct |
150 ms |
19308 KB |
Output is correct |
| 26 |
Correct |
149 ms |
19308 KB |
Output is correct |
| 27 |
Correct |
159 ms |
19456 KB |
Output is correct |
| 28 |
Correct |
166 ms |
19564 KB |
Output is correct |
| 29 |
Correct |
161 ms |
19564 KB |
Output is correct |
| 30 |
Correct |
173 ms |
19564 KB |
Output is correct |
| 31 |
Correct |
173 ms |
19436 KB |
Output is correct |
| 32 |
Correct |
173 ms |
19436 KB |
Output is correct |
| 33 |
Correct |
263 ms |
19180 KB |
Output is correct |
| 34 |
Correct |
263 ms |
19308 KB |
Output is correct |
| 35 |
Correct |
262 ms |
19308 KB |
Output is correct |
| 36 |
Correct |
376 ms |
19564 KB |
Output is correct |
| 37 |
Correct |
380 ms |
19456 KB |
Output is correct |
| 38 |
Correct |
377 ms |
19412 KB |
Output is correct |
| 39 |
Correct |
148 ms |
19308 KB |
Output is correct |
| 40 |
Correct |
145 ms |
19308 KB |
Output is correct |
| 41 |
Correct |
145 ms |
19396 KB |
Output is correct |
| 42 |
Correct |
162 ms |
19580 KB |
Output is correct |
| 43 |
Correct |
160 ms |
19564 KB |
Output is correct |
| 44 |
Correct |
160 ms |
19492 KB |
Output is correct |
| 45 |
Correct |
182 ms |
19660 KB |
Output is correct |
| 46 |
Correct |
175 ms |
19436 KB |
Output is correct |
| 47 |
Correct |
179 ms |
19564 KB |
Output is correct |
| 48 |
Correct |
258 ms |
19308 KB |
Output is correct |
| 49 |
Correct |
253 ms |
19308 KB |
Output is correct |
| 50 |
Correct |
254 ms |
19308 KB |
Output is correct |
