# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
389978 |
2021-04-15T03:02:14 Z |
smax |
Feast (NOI19_feast) |
C++17 |
|
351 ms |
12744 KB |
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#define DEBUG(...) debug(#__VA_ARGS__, __VA_ARGS__)
#else
#define DEBUG(...) 6
#endif
template<typename T, typename S> ostream& operator << (ostream &os, const pair<T, S> &p) {return os << "(" << p.first << ", " << p.second << ")";}
template<typename C, typename T = decay<decltype(*begin(declval<C>()))>, typename enable_if<!is_same<C, string>::value>::type* = nullptr>
ostream& operator << (ostream &os, const C &c) {bool f = true; os << "["; for (const auto &x : c) {if (!f) os << ", "; f = false; os << x;} return os << "]";}
template<typename T> void debug(string s, T x) {cerr << s << " = " << x << "\n";}
template <typename T, typename... Args> void debug(string s, T x, Args... args) {for (int i=0, b=0; i<(int)s.size(); i++) if (s[i] == '(' || s[i] == '{') b++; else
if (s[i] == ')' || s[i] == '}') b--; else if (s[i] == ',' && b == 0) {cerr << s.substr(0, i) << " = " << x << " | "; debug(s.substr(s.find_first_not_of(' ', i + 1)), args...); break;}}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, k;
cin >> n >> k;
vector<int> a(n);
for (int i=0; i<n; i++)
cin >> a[i];
auto solve = [&] (long long c) -> pair<bool, long long> {
vector<long long> pref(n + 1);
for (int i=0; i<n; i++)
pref[i+1] = a[i] + pref[i];
vector<__int128_t> dp(n + 1);
vector<int> cnt(n + 1);
dp[0] = 0;
int mx = 0;
for (int i=0; i<n; i++) {
dp[i+1] = dp[i];
cnt[i+1] = cnt[i];
if (dp[mx] + pref[i+1] - pref[mx] - c > dp[i]) {
dp[i+1] = dp[mx] + pref[i+1] - pref[mx] - c;
cnt[i+1] = cnt[mx] + 1;
}
if (dp[i+1] - pref[i+1] > dp[mx] - pref[mx])
mx = i + 1;
}
return {cnt[n] <= k, dp[n] + c * cnt[n]};
};
long long l = 0, r = 1e18;
while (l < r) {
long long m = (l + r) / 2;
if (solve(m).first)
r = m;
else
l = m + 1;
}
cout << solve(l).second << "\n";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
292 ms |
12348 KB |
Output is correct |
2 |
Correct |
319 ms |
12440 KB |
Output is correct |
3 |
Correct |
290 ms |
12480 KB |
Output is correct |
4 |
Correct |
291 ms |
12480 KB |
Output is correct |
5 |
Correct |
291 ms |
12356 KB |
Output is correct |
6 |
Correct |
281 ms |
12204 KB |
Output is correct |
7 |
Correct |
289 ms |
12236 KB |
Output is correct |
8 |
Correct |
302 ms |
12420 KB |
Output is correct |
9 |
Correct |
284 ms |
12204 KB |
Output is correct |
10 |
Correct |
283 ms |
12348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
256 ms |
10620 KB |
Output is correct |
2 |
Correct |
269 ms |
10820 KB |
Output is correct |
3 |
Correct |
273 ms |
10572 KB |
Output is correct |
4 |
Correct |
284 ms |
10668 KB |
Output is correct |
5 |
Correct |
283 ms |
12188 KB |
Output is correct |
6 |
Correct |
262 ms |
10524 KB |
Output is correct |
7 |
Correct |
276 ms |
10824 KB |
Output is correct |
8 |
Correct |
292 ms |
12516 KB |
Output is correct |
9 |
Correct |
281 ms |
12104 KB |
Output is correct |
10 |
Correct |
274 ms |
10736 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
272 ms |
12612 KB |
Output is correct |
2 |
Correct |
274 ms |
12412 KB |
Output is correct |
3 |
Correct |
271 ms |
12612 KB |
Output is correct |
4 |
Correct |
310 ms |
12584 KB |
Output is correct |
5 |
Correct |
276 ms |
12580 KB |
Output is correct |
6 |
Correct |
285 ms |
12672 KB |
Output is correct |
7 |
Correct |
276 ms |
12628 KB |
Output is correct |
8 |
Correct |
287 ms |
12584 KB |
Output is correct |
9 |
Correct |
284 ms |
12744 KB |
Output is correct |
10 |
Correct |
278 ms |
12624 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 |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
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 |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
312 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 |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
332 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 |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
312 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 |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
2 ms |
344 KB |
Output is correct |
22 |
Correct |
2 ms |
332 KB |
Output is correct |
23 |
Correct |
3 ms |
332 KB |
Output is correct |
24 |
Correct |
2 ms |
332 KB |
Output is correct |
25 |
Correct |
2 ms |
412 KB |
Output is correct |
26 |
Correct |
2 ms |
328 KB |
Output is correct |
27 |
Correct |
2 ms |
332 KB |
Output is correct |
28 |
Correct |
2 ms |
332 KB |
Output is correct |
29 |
Correct |
3 ms |
332 KB |
Output is correct |
30 |
Correct |
2 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
292 ms |
12348 KB |
Output is correct |
2 |
Correct |
319 ms |
12440 KB |
Output is correct |
3 |
Correct |
290 ms |
12480 KB |
Output is correct |
4 |
Correct |
291 ms |
12480 KB |
Output is correct |
5 |
Correct |
291 ms |
12356 KB |
Output is correct |
6 |
Correct |
281 ms |
12204 KB |
Output is correct |
7 |
Correct |
289 ms |
12236 KB |
Output is correct |
8 |
Correct |
302 ms |
12420 KB |
Output is correct |
9 |
Correct |
284 ms |
12204 KB |
Output is correct |
10 |
Correct |
283 ms |
12348 KB |
Output is correct |
11 |
Correct |
256 ms |
10620 KB |
Output is correct |
12 |
Correct |
269 ms |
10820 KB |
Output is correct |
13 |
Correct |
273 ms |
10572 KB |
Output is correct |
14 |
Correct |
284 ms |
10668 KB |
Output is correct |
15 |
Correct |
283 ms |
12188 KB |
Output is correct |
16 |
Correct |
262 ms |
10524 KB |
Output is correct |
17 |
Correct |
276 ms |
10824 KB |
Output is correct |
18 |
Correct |
292 ms |
12516 KB |
Output is correct |
19 |
Correct |
281 ms |
12104 KB |
Output is correct |
20 |
Correct |
274 ms |
10736 KB |
Output is correct |
21 |
Correct |
272 ms |
12612 KB |
Output is correct |
22 |
Correct |
274 ms |
12412 KB |
Output is correct |
23 |
Correct |
271 ms |
12612 KB |
Output is correct |
24 |
Correct |
310 ms |
12584 KB |
Output is correct |
25 |
Correct |
276 ms |
12580 KB |
Output is correct |
26 |
Correct |
285 ms |
12672 KB |
Output is correct |
27 |
Correct |
276 ms |
12628 KB |
Output is correct |
28 |
Correct |
287 ms |
12584 KB |
Output is correct |
29 |
Correct |
284 ms |
12744 KB |
Output is correct |
30 |
Correct |
278 ms |
12624 KB |
Output is correct |
31 |
Correct |
1 ms |
204 KB |
Output is correct |
32 |
Correct |
1 ms |
204 KB |
Output is correct |
33 |
Correct |
1 ms |
204 KB |
Output is correct |
34 |
Correct |
1 ms |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
204 KB |
Output is correct |
38 |
Correct |
1 ms |
204 KB |
Output is correct |
39 |
Correct |
1 ms |
204 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
1 ms |
332 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
1 ms |
204 KB |
Output is correct |
46 |
Correct |
1 ms |
312 KB |
Output is correct |
47 |
Correct |
1 ms |
332 KB |
Output is correct |
48 |
Correct |
1 ms |
332 KB |
Output is correct |
49 |
Correct |
1 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
332 KB |
Output is correct |
51 |
Correct |
2 ms |
344 KB |
Output is correct |
52 |
Correct |
2 ms |
332 KB |
Output is correct |
53 |
Correct |
3 ms |
332 KB |
Output is correct |
54 |
Correct |
2 ms |
332 KB |
Output is correct |
55 |
Correct |
2 ms |
412 KB |
Output is correct |
56 |
Correct |
2 ms |
328 KB |
Output is correct |
57 |
Correct |
2 ms |
332 KB |
Output is correct |
58 |
Correct |
2 ms |
332 KB |
Output is correct |
59 |
Correct |
3 ms |
332 KB |
Output is correct |
60 |
Correct |
2 ms |
332 KB |
Output is correct |
61 |
Correct |
337 ms |
12400 KB |
Output is correct |
62 |
Correct |
351 ms |
12740 KB |
Output is correct |
63 |
Correct |
283 ms |
12404 KB |
Output is correct |
64 |
Correct |
331 ms |
12664 KB |
Output is correct |
65 |
Correct |
322 ms |
12660 KB |
Output is correct |
66 |
Correct |
326 ms |
12612 KB |
Output is correct |
67 |
Correct |
312 ms |
12408 KB |
Output is correct |
68 |
Correct |
281 ms |
12656 KB |
Output is correct |
69 |
Correct |
272 ms |
12412 KB |
Output is correct |
70 |
Correct |
276 ms |
12356 KB |
Output is correct |