#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
constexpr int N = int(3e5) + 5;
constexpr int MOD = int(1e9) + 7;
int a[N];
void solve(){
int n, k;
cin >> n >> k;
for(int i{}; i < n; ++i){
cin >> a[i];
}
ll l{}, r{ll(3e14)}, ans{};
while(l <= r){
ll m = l + r >> 1;
pair<ll, int> cur{a[0] - m, 1}, dp{max(cur, {})};
for(int i = 1; i < n; ++i){
cur = max(pair{cur.first + a[i], cur.second}, {dp.first + a[i] - m, dp.second + 1});
dp = max(dp, cur);
}
if(dp.second >= k || !m){
ans = dp.first + k * m;
l = m + 1;
}
else r = m - 1;
}
cout << ans;
}
int main(){
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
ios::sync_with_stdio(0);
cin.tie(0);
int t = 1;
// cin >> t;
for(int i = 1; i <= t; ++i) {
solve();
}
}
Compilation message
feast.cpp: In function 'void solve()':
feast.cpp:19:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
19 | ll m = l + r >> 1;
| ~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
1360 KB |
Output is correct |
2 |
Correct |
36 ms |
1616 KB |
Output is correct |
3 |
Correct |
35 ms |
1616 KB |
Output is correct |
4 |
Correct |
35 ms |
1396 KB |
Output is correct |
5 |
Correct |
34 ms |
1616 KB |
Output is correct |
6 |
Correct |
33 ms |
1360 KB |
Output is correct |
7 |
Correct |
36 ms |
1592 KB |
Output is correct |
8 |
Correct |
36 ms |
1608 KB |
Output is correct |
9 |
Correct |
35 ms |
1712 KB |
Output is correct |
10 |
Correct |
35 ms |
1616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
32 ms |
1360 KB |
Output is correct |
2 |
Correct |
33 ms |
1628 KB |
Output is correct |
3 |
Correct |
33 ms |
1360 KB |
Output is correct |
4 |
Correct |
29 ms |
1776 KB |
Output is correct |
5 |
Correct |
47 ms |
1372 KB |
Output is correct |
6 |
Correct |
35 ms |
1360 KB |
Output is correct |
7 |
Correct |
34 ms |
1628 KB |
Output is correct |
8 |
Correct |
41 ms |
1628 KB |
Output is correct |
9 |
Correct |
40 ms |
1360 KB |
Output is correct |
10 |
Correct |
31 ms |
1516 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
64 ms |
1608 KB |
Output is correct |
2 |
Correct |
62 ms |
1616 KB |
Output is correct |
3 |
Correct |
61 ms |
1616 KB |
Output is correct |
4 |
Correct |
59 ms |
1352 KB |
Output is correct |
5 |
Correct |
60 ms |
1616 KB |
Output is correct |
6 |
Correct |
62 ms |
1612 KB |
Output is correct |
7 |
Correct |
60 ms |
1616 KB |
Output is correct |
8 |
Correct |
59 ms |
1616 KB |
Output is correct |
9 |
Correct |
62 ms |
1628 KB |
Output is correct |
10 |
Correct |
71 ms |
1672 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
504 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
504 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
512 KB |
Output is correct |
22 |
Correct |
2 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
1 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
1360 KB |
Output is correct |
2 |
Correct |
36 ms |
1616 KB |
Output is correct |
3 |
Correct |
35 ms |
1616 KB |
Output is correct |
4 |
Correct |
35 ms |
1396 KB |
Output is correct |
5 |
Correct |
34 ms |
1616 KB |
Output is correct |
6 |
Correct |
33 ms |
1360 KB |
Output is correct |
7 |
Correct |
36 ms |
1592 KB |
Output is correct |
8 |
Correct |
36 ms |
1608 KB |
Output is correct |
9 |
Correct |
35 ms |
1712 KB |
Output is correct |
10 |
Correct |
35 ms |
1616 KB |
Output is correct |
11 |
Correct |
32 ms |
1360 KB |
Output is correct |
12 |
Correct |
33 ms |
1628 KB |
Output is correct |
13 |
Correct |
33 ms |
1360 KB |
Output is correct |
14 |
Correct |
29 ms |
1776 KB |
Output is correct |
15 |
Correct |
47 ms |
1372 KB |
Output is correct |
16 |
Correct |
35 ms |
1360 KB |
Output is correct |
17 |
Correct |
34 ms |
1628 KB |
Output is correct |
18 |
Correct |
41 ms |
1628 KB |
Output is correct |
19 |
Correct |
40 ms |
1360 KB |
Output is correct |
20 |
Correct |
31 ms |
1516 KB |
Output is correct |
21 |
Correct |
64 ms |
1608 KB |
Output is correct |
22 |
Correct |
62 ms |
1616 KB |
Output is correct |
23 |
Correct |
61 ms |
1616 KB |
Output is correct |
24 |
Correct |
59 ms |
1352 KB |
Output is correct |
25 |
Correct |
60 ms |
1616 KB |
Output is correct |
26 |
Correct |
62 ms |
1612 KB |
Output is correct |
27 |
Correct |
60 ms |
1616 KB |
Output is correct |
28 |
Correct |
59 ms |
1616 KB |
Output is correct |
29 |
Correct |
62 ms |
1628 KB |
Output is correct |
30 |
Correct |
71 ms |
1672 KB |
Output is correct |
31 |
Correct |
1 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
336 KB |
Output is correct |
33 |
Correct |
1 ms |
504 KB |
Output is correct |
34 |
Correct |
1 ms |
336 KB |
Output is correct |
35 |
Correct |
1 ms |
336 KB |
Output is correct |
36 |
Correct |
1 ms |
336 KB |
Output is correct |
37 |
Correct |
1 ms |
336 KB |
Output is correct |
38 |
Correct |
1 ms |
336 KB |
Output is correct |
39 |
Correct |
1 ms |
336 KB |
Output is correct |
40 |
Correct |
1 ms |
336 KB |
Output is correct |
41 |
Correct |
1 ms |
336 KB |
Output is correct |
42 |
Correct |
1 ms |
336 KB |
Output is correct |
43 |
Correct |
1 ms |
336 KB |
Output is correct |
44 |
Correct |
1 ms |
336 KB |
Output is correct |
45 |
Correct |
1 ms |
504 KB |
Output is correct |
46 |
Correct |
1 ms |
336 KB |
Output is correct |
47 |
Correct |
1 ms |
336 KB |
Output is correct |
48 |
Correct |
1 ms |
336 KB |
Output is correct |
49 |
Correct |
1 ms |
336 KB |
Output is correct |
50 |
Correct |
1 ms |
336 KB |
Output is correct |
51 |
Correct |
1 ms |
512 KB |
Output is correct |
52 |
Correct |
2 ms |
336 KB |
Output is correct |
53 |
Correct |
1 ms |
336 KB |
Output is correct |
54 |
Correct |
1 ms |
336 KB |
Output is correct |
55 |
Correct |
1 ms |
336 KB |
Output is correct |
56 |
Correct |
1 ms |
336 KB |
Output is correct |
57 |
Correct |
1 ms |
336 KB |
Output is correct |
58 |
Correct |
1 ms |
336 KB |
Output is correct |
59 |
Correct |
1 ms |
336 KB |
Output is correct |
60 |
Correct |
1 ms |
336 KB |
Output is correct |
61 |
Correct |
84 ms |
1360 KB |
Output is correct |
62 |
Correct |
83 ms |
1608 KB |
Output is correct |
63 |
Correct |
68 ms |
1360 KB |
Output is correct |
64 |
Correct |
86 ms |
1616 KB |
Output is correct |
65 |
Correct |
89 ms |
1624 KB |
Output is correct |
66 |
Correct |
89 ms |
1352 KB |
Output is correct |
67 |
Correct |
90 ms |
1360 KB |
Output is correct |
68 |
Correct |
63 ms |
1616 KB |
Output is correct |
69 |
Correct |
61 ms |
1360 KB |
Output is correct |
70 |
Correct |
62 ms |
1360 KB |
Output is correct |