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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#404754 | #7617. Spectacle | ucup-team3215# | WA | 120ms | 14360kb | C++20 | 1.6kb | 2024-05-04 17:08:08 | 2024-05-04 17:08:10 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pl = pair<ll, ll>;
void solve() {
ll n;
cin >> n;
vector<ll> a(n);
for (auto &i: a)cin >> i;
sort(a.begin(), a.end());
vector<pl> b;
for (ll i = 0; i + 1 < n; ++i) {
b.push_back({a[i + 1] - a[i], i});
}
sort(b.begin(), b.end());
set<pl> s;
ll val = 0;
ll i = 0;
auto eval = [&](pl x) {
return (x.second - x.first + 1 + 1) / 2;
};
for (ll need = 1; need <= n / 2; ++need) {
while (val != need) {
pl range = {b[i].second, b[i].second};
{
auto it = s.upper_bound({range.first, -1});
if (it != s.begin() && it->second + 1 == b[i].second) {
--it;
range.first = min(range.first, it->first);
range.second = max(range.second, it->second);
val -= eval(*it);
s.erase(it);
}
}
{
auto it = s.upper_bound({range.first, -1});
if (it != s.end() && it->first - 1 == b[i].second) {
range.first = min(range.first, it->first);
range.second = max(range.second, it->second);
val -= eval(*it);
s.erase(it);
}
}
val += eval(range);
s.insert(range);
++i;
}
cout << b[i - 1].first << " ";
}
}
int main() {
cin.tie(0)->sync_with_stdio(false);
int t = 1;
// cin >> t;
while (t--)solve();
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3496kb
input:
6 100 13 20 14 10 105
output:
1 5 6
result:
ok single line: '1 5 6 '
Test #2:
score: 0
Accepted
time: 0ms
memory: 3540kb
input:
2 1 1000000000000000000
output:
999999999999999999
result:
ok single line: '999999999999999999 '
Test #3:
score: -100
Wrong Answer
time: 120ms
memory: 14360kb
input:
200000 30977570544127554 30977570529630987 30977570554040634 30977570903666181 30977570284338326 30977570675313216 30977569987827221 30977570780807305 30977570623822067 30977570207823010 30977569932624714 30977570440962037 30977570343703869 30977570239637322 30977570141845422 30977570372368100 30977...
output:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 ...
result:
wrong answer 1st lines differ - expected: '0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...99 9999 10000 10000 10000 10000', found: '0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... 6934 6934 6934 6934 6934 6934 '