| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 954855 |
2024-03-28T18:01:09 Z |
mat_jur |
Feast (NOI19_feast) |
C++17 |
|
220 ms |
16068 KB |
#include <bits/stdc++.h>
using namespace std;
#ifdef DEBUG
auto&operator<<(auto &o, pair<auto, auto> p) {o << "(" << p.first << ", " << p.second << ")"; return o;}
auto operator<<(auto &o, auto x)->decltype(x.end(), o) {o<<"{"; for(auto e : x) o<<e<<", "; return o<<"}";}
#define debug(X) cerr << "["#X"]: " << X << '\n';
#else
#define cerr if(0)cout
#define debug(X) ;
#endif
using ll = long long;
#define all(v) (v).begin(), (v).end()
#define ssize(x) int(x.size())
#define fi first
#define se second
#define mp make_pair
#define eb emplace_back
int main() {
ios_base::sync_with_stdio(false); cin.tie(nullptr);
int n, k;
cin >> n >> k;
vector<int> a(n);
for(int &x : a) cin >> x;
auto solve_lambda = [&](ll lambda) {
vector<pair<ll, int>> dp[2];
dp[0].resize(n);
dp[1].resize(n);
dp[0][0] = mp(0LL, 0);
dp[1][0] = mp(a[0] - lambda, 1);
for(int i = 1; i < n; ++i) {
dp[0][i] = max(dp[0][i-1], dp[1][i-1]);
dp[1][i] = max(mp(dp[1][i-1].fi + a[i], dp[1][i-1].se), mp(dp[0][i-1].fi + a[i] - lambda, dp[0][i-1].se + 1));
}
return max(dp[0][n-1], dp[1][n-1]);
};
ll low = 0, high = 1e15;
while (high - low > 1) {
ll mid = (high + low) / 2;
if(solve_lambda(mid).se >= k) low = mid;
else high = mid;
}
debug(low);
auto [u, c] = solve_lambda(low);
debug(u);
debug(c);
cout << u + k * low << '\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
158 ms |
13508 KB |
Output is correct |
| 2 |
Correct |
141 ms |
13804 KB |
Output is correct |
| 3 |
Correct |
165 ms |
13976 KB |
Output is correct |
| 4 |
Correct |
167 ms |
14340 KB |
Output is correct |
| 5 |
Correct |
140 ms |
13800 KB |
Output is correct |
| 6 |
Correct |
135 ms |
13572 KB |
Output is correct |
| 7 |
Correct |
153 ms |
13528 KB |
Output is correct |
| 8 |
Correct |
139 ms |
13920 KB |
Output is correct |
| 9 |
Correct |
153 ms |
15656 KB |
Output is correct |
| 10 |
Correct |
155 ms |
15760 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
151 ms |
11976 KB |
Output is correct |
| 2 |
Correct |
135 ms |
12232 KB |
Output is correct |
| 3 |
Correct |
147 ms |
11944 KB |
Output is correct |
| 4 |
Correct |
156 ms |
12376 KB |
Output is correct |
| 5 |
Correct |
134 ms |
13632 KB |
Output is correct |
| 6 |
Correct |
153 ms |
11944 KB |
Output is correct |
| 7 |
Correct |
150 ms |
12268 KB |
Output is correct |
| 8 |
Correct |
166 ms |
13972 KB |
Output is correct |
| 9 |
Correct |
155 ms |
13576 KB |
Output is correct |
| 10 |
Correct |
152 ms |
12176 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
166 ms |
14100 KB |
Output is correct |
| 2 |
Correct |
180 ms |
15748 KB |
Output is correct |
| 3 |
Correct |
163 ms |
13960 KB |
Output is correct |
| 4 |
Correct |
154 ms |
13884 KB |
Output is correct |
| 5 |
Correct |
160 ms |
13996 KB |
Output is correct |
| 6 |
Correct |
176 ms |
14016 KB |
Output is correct |
| 7 |
Correct |
160 ms |
14084 KB |
Output is correct |
| 8 |
Correct |
171 ms |
13952 KB |
Output is correct |
| 9 |
Correct |
162 ms |
14152 KB |
Output is correct |
| 10 |
Correct |
176 ms |
16020 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
456 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
360 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
456 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
360 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
348 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
596 KB |
Output is correct |
| 25 |
Correct |
2 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
552 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
612 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
158 ms |
13508 KB |
Output is correct |
| 2 |
Correct |
141 ms |
13804 KB |
Output is correct |
| 3 |
Correct |
165 ms |
13976 KB |
Output is correct |
| 4 |
Correct |
167 ms |
14340 KB |
Output is correct |
| 5 |
Correct |
140 ms |
13800 KB |
Output is correct |
| 6 |
Correct |
135 ms |
13572 KB |
Output is correct |
| 7 |
Correct |
153 ms |
13528 KB |
Output is correct |
| 8 |
Correct |
139 ms |
13920 KB |
Output is correct |
| 9 |
Correct |
153 ms |
15656 KB |
Output is correct |
| 10 |
Correct |
155 ms |
15760 KB |
Output is correct |
| 11 |
Correct |
151 ms |
11976 KB |
Output is correct |
| 12 |
Correct |
135 ms |
12232 KB |
Output is correct |
| 13 |
Correct |
147 ms |
11944 KB |
Output is correct |
| 14 |
Correct |
156 ms |
12376 KB |
Output is correct |
| 15 |
Correct |
134 ms |
13632 KB |
Output is correct |
| 16 |
Correct |
153 ms |
11944 KB |
Output is correct |
| 17 |
Correct |
150 ms |
12268 KB |
Output is correct |
| 18 |
Correct |
166 ms |
13972 KB |
Output is correct |
| 19 |
Correct |
155 ms |
13576 KB |
Output is correct |
| 20 |
Correct |
152 ms |
12176 KB |
Output is correct |
| 21 |
Correct |
166 ms |
14100 KB |
Output is correct |
| 22 |
Correct |
180 ms |
15748 KB |
Output is correct |
| 23 |
Correct |
163 ms |
13960 KB |
Output is correct |
| 24 |
Correct |
154 ms |
13884 KB |
Output is correct |
| 25 |
Correct |
160 ms |
13996 KB |
Output is correct |
| 26 |
Correct |
176 ms |
14016 KB |
Output is correct |
| 27 |
Correct |
160 ms |
14084 KB |
Output is correct |
| 28 |
Correct |
171 ms |
13952 KB |
Output is correct |
| 29 |
Correct |
162 ms |
14152 KB |
Output is correct |
| 30 |
Correct |
176 ms |
16020 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
0 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
348 KB |
Output is correct |
| 34 |
Correct |
0 ms |
348 KB |
Output is correct |
| 35 |
Correct |
0 ms |
348 KB |
Output is correct |
| 36 |
Correct |
1 ms |
348 KB |
Output is correct |
| 37 |
Correct |
1 ms |
348 KB |
Output is correct |
| 38 |
Correct |
0 ms |
348 KB |
Output is correct |
| 39 |
Correct |
0 ms |
344 KB |
Output is correct |
| 40 |
Correct |
1 ms |
344 KB |
Output is correct |
| 41 |
Correct |
1 ms |
348 KB |
Output is correct |
| 42 |
Correct |
0 ms |
348 KB |
Output is correct |
| 43 |
Correct |
1 ms |
348 KB |
Output is correct |
| 44 |
Correct |
0 ms |
456 KB |
Output is correct |
| 45 |
Correct |
0 ms |
348 KB |
Output is correct |
| 46 |
Correct |
1 ms |
360 KB |
Output is correct |
| 47 |
Correct |
0 ms |
348 KB |
Output is correct |
| 48 |
Correct |
1 ms |
348 KB |
Output is correct |
| 49 |
Correct |
1 ms |
348 KB |
Output is correct |
| 50 |
Correct |
1 ms |
348 KB |
Output is correct |
| 51 |
Correct |
1 ms |
348 KB |
Output is correct |
| 52 |
Correct |
1 ms |
348 KB |
Output is correct |
| 53 |
Correct |
1 ms |
348 KB |
Output is correct |
| 54 |
Correct |
1 ms |
596 KB |
Output is correct |
| 55 |
Correct |
2 ms |
348 KB |
Output is correct |
| 56 |
Correct |
1 ms |
552 KB |
Output is correct |
| 57 |
Correct |
1 ms |
348 KB |
Output is correct |
| 58 |
Correct |
1 ms |
348 KB |
Output is correct |
| 59 |
Correct |
1 ms |
612 KB |
Output is correct |
| 60 |
Correct |
1 ms |
348 KB |
Output is correct |
| 61 |
Correct |
207 ms |
13792 KB |
Output is correct |
| 62 |
Correct |
207 ms |
16068 KB |
Output is correct |
| 63 |
Correct |
164 ms |
13792 KB |
Output is correct |
| 64 |
Correct |
195 ms |
14044 KB |
Output is correct |
| 65 |
Correct |
214 ms |
14012 KB |
Output is correct |
| 66 |
Correct |
220 ms |
14140 KB |
Output is correct |
| 67 |
Correct |
213 ms |
13824 KB |
Output is correct |
| 68 |
Correct |
178 ms |
14064 KB |
Output is correct |
| 69 |
Correct |
191 ms |
13808 KB |
Output is correct |
| 70 |
Correct |
171 ms |
13740 KB |
Output is correct |
