mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-23 20:48:48 +00:00
1150. [CTSC2007]数据备份Backup
https://hydro.ac/d/bzoj/record/63a45d34b053be17396a0481
This commit is contained in:
parent
1b6c980740
commit
723e639ce2
72
BZOJ/1150/1150.cpp
Normal file
72
BZOJ/1150/1150.cpp
Normal file
@ -0,0 +1,72 @@
|
||||
#include <iostream>
|
||||
#include <limits>
|
||||
#include <queue>
|
||||
#include <vector>
|
||||
|
||||
using std::cin;
|
||||
using std::cout;
|
||||
const char endl = '\n';
|
||||
|
||||
const int N = 100005;
|
||||
|
||||
int n, k, a[N], pre[N], suf[N];
|
||||
long long c[N], ans;
|
||||
std::priority_queue<
|
||||
std::pair<int, long long>,
|
||||
std::vector<std::pair<int, long long>>,
|
||||
auto(*)(std::pair<int, long long>, std::pair<int, long long>)->bool>
|
||||
q([](std::pair<int, long long> a, std::pair<int, long long> b) -> bool {
|
||||
return a.second > b.second;
|
||||
});
|
||||
|
||||
int main() {
|
||||
std::ios::sync_with_stdio(false);
|
||||
cin.tie(nullptr);
|
||||
|
||||
cin >> n >> k;
|
||||
|
||||
for (int i = 1; i <= n; i++) {
|
||||
cin >> a[i];
|
||||
}
|
||||
|
||||
for (int i = 1; i < n; i++) {
|
||||
c[i] = static_cast<long long>(a[i + 1]) - a[i];
|
||||
pre[i] = i - 1;
|
||||
suf[i] = i + 1;
|
||||
}
|
||||
suf[n - 1] = 0;
|
||||
|
||||
for (int i = 1; i < n; i++) {
|
||||
q.emplace(i, c[i]);
|
||||
}
|
||||
|
||||
while (k--) {
|
||||
auto o = q.top();
|
||||
q.pop();
|
||||
|
||||
if (o.second != c[o.first]) {
|
||||
k++;
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
ans += o.second;
|
||||
|
||||
int l = pre[o.first],
|
||||
r = suf[o.first];
|
||||
|
||||
suf[o.first] = suf[r];
|
||||
pre[suf[o.first]] = o.first;
|
||||
pre[o.first] = pre[l];
|
||||
suf[pre[o.first]] = o.first;
|
||||
|
||||
c[o.first] = (l && r) ? std::min(static_cast<long long>(std::numeric_limits<int>::max()), c[l] + c[r] - c[o.first]) : std::numeric_limits<int>::max();
|
||||
c[l] = c[r] = std::numeric_limits<int>::max();
|
||||
|
||||
q.emplace(o.first, c[o.first]);
|
||||
}
|
||||
|
||||
cout << ans << endl;
|
||||
|
||||
return 0;
|
||||
}
|
BIN
BZOJ/1150/data/1.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/1.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/1.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/1.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/10.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/10.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/10.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/10.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/11.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/11.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/11.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/11.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/12.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/12.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/12.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/12.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/13.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/13.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/13.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/13.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/14.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/14.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/14.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/14.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/15.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/15.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/15.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/15.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/16.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/16.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/16.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/16.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/17.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/17.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/17.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/17.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/18.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/18.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/18.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/18.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/19.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/19.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/19.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/19.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/2.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/2.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/2.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/2.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/20.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/20.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/20.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/20.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/3.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/3.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/3.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/3.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/4.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/4.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/4.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/4.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/5.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/5.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/5.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/5.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/6.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/6.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/6.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/6.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/7.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/7.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/7.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/7.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/8.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/8.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/8.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/8.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/9.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/9.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1150/data/9.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1150/data/9.out
(Stored with Git LFS)
Normal file
Binary file not shown.
Loading…
Reference in New Issue
Block a user