# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
601038 |
2022-07-21T10:23:58 Z |
pakhomovee |
Stove (JOI18_stove) |
C++17 |
|
795 ms |
8948 KB |
#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
using namespace std;
#define int long long
const int maxn = 100'001;
const int inf = 1e18;
int dp[maxn];
int dp1[maxn];
pair<int, int> eval(int lambda, vector<int> &t) {
const int n = t.size();
fill(dp, dp + maxn, inf);
fill(dp1, dp1 + maxn, inf);
dp[0] = 0;
dp1[0] = 0;
set<pair<int, int>> s;
for (int i = 1; i <= n; ++i) {
s.insert({ dp[i - 1] - t[i - 1] + 1 + lambda, dp1[i - 1] });
auto [val, cnt] = *s.begin();
dp[i] = val + t[i - 1];
dp1[i] = cnt + 1;
}
return { dp[n], dp1[n] };
}
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n, k;
cin >> n >> k;
vector<int> t(n);
for (int& i : t) {
cin >> i;
}
int l = -1, r = 2e9;
while (l + 1 < r) {
int m = (l + r) / 2;
if (eval(m, t).second > k) {
l = m;
} else {
r = m;
}
}
auto [a, b] = eval(r, t);
cout << a - k * r;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
1876 KB |
Output is correct |
2 |
Correct |
4 ms |
1876 KB |
Output is correct |
3 |
Correct |
3 ms |
1876 KB |
Output is correct |
4 |
Correct |
3 ms |
1876 KB |
Output is correct |
5 |
Correct |
3 ms |
1876 KB |
Output is correct |
6 |
Correct |
3 ms |
1876 KB |
Output is correct |
7 |
Correct |
3 ms |
1876 KB |
Output is correct |
8 |
Correct |
3 ms |
1876 KB |
Output is correct |
9 |
Correct |
4 ms |
1876 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
1876 KB |
Output is correct |
2 |
Correct |
4 ms |
1876 KB |
Output is correct |
3 |
Correct |
3 ms |
1876 KB |
Output is correct |
4 |
Correct |
3 ms |
1876 KB |
Output is correct |
5 |
Correct |
3 ms |
1876 KB |
Output is correct |
6 |
Correct |
3 ms |
1876 KB |
Output is correct |
7 |
Correct |
3 ms |
1876 KB |
Output is correct |
8 |
Correct |
3 ms |
1876 KB |
Output is correct |
9 |
Correct |
4 ms |
1876 KB |
Output is correct |
10 |
Correct |
17 ms |
2096 KB |
Output is correct |
11 |
Correct |
15 ms |
2096 KB |
Output is correct |
12 |
Correct |
16 ms |
2100 KB |
Output is correct |
13 |
Correct |
16 ms |
2004 KB |
Output is correct |
14 |
Correct |
13 ms |
2100 KB |
Output is correct |
15 |
Correct |
13 ms |
2004 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
1876 KB |
Output is correct |
2 |
Correct |
4 ms |
1876 KB |
Output is correct |
3 |
Correct |
3 ms |
1876 KB |
Output is correct |
4 |
Correct |
3 ms |
1876 KB |
Output is correct |
5 |
Correct |
3 ms |
1876 KB |
Output is correct |
6 |
Correct |
3 ms |
1876 KB |
Output is correct |
7 |
Correct |
3 ms |
1876 KB |
Output is correct |
8 |
Correct |
3 ms |
1876 KB |
Output is correct |
9 |
Correct |
4 ms |
1876 KB |
Output is correct |
10 |
Correct |
17 ms |
2096 KB |
Output is correct |
11 |
Correct |
15 ms |
2096 KB |
Output is correct |
12 |
Correct |
16 ms |
2100 KB |
Output is correct |
13 |
Correct |
16 ms |
2004 KB |
Output is correct |
14 |
Correct |
13 ms |
2100 KB |
Output is correct |
15 |
Correct |
13 ms |
2004 KB |
Output is correct |
16 |
Correct |
795 ms |
8564 KB |
Output is correct |
17 |
Correct |
684 ms |
8656 KB |
Output is correct |
18 |
Correct |
671 ms |
8900 KB |
Output is correct |
19 |
Correct |
660 ms |
8816 KB |
Output is correct |
20 |
Correct |
624 ms |
8948 KB |
Output is correct |
21 |
Correct |
536 ms |
8928 KB |
Output is correct |
22 |
Correct |
598 ms |
8924 KB |
Output is correct |
23 |
Correct |
611 ms |
8824 KB |
Output is correct |
24 |
Correct |
573 ms |
8924 KB |
Output is correct |