#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{ll(-1e18), 0}, dp{0, 0};
for(int i = 0; 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 |
36 ms |
1360 KB |
Output is correct |
2 |
Correct |
41 ms |
1616 KB |
Output is correct |
3 |
Correct |
36 ms |
1608 KB |
Output is correct |
4 |
Correct |
39 ms |
3360 KB |
Output is correct |
5 |
Correct |
34 ms |
1616 KB |
Output is correct |
6 |
Correct |
36 ms |
2888 KB |
Output is correct |
7 |
Correct |
37 ms |
1372 KB |
Output is correct |
8 |
Correct |
38 ms |
3400 KB |
Output is correct |
9 |
Correct |
39 ms |
2888 KB |
Output is correct |
10 |
Correct |
40 ms |
1616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
32 ms |
1360 KB |
Output is correct |
2 |
Correct |
32 ms |
1616 KB |
Output is correct |
3 |
Correct |
32 ms |
1360 KB |
Output is correct |
4 |
Correct |
33 ms |
2128 KB |
Output is correct |
5 |
Correct |
40 ms |
1360 KB |
Output is correct |
6 |
Correct |
35 ms |
2128 KB |
Output is correct |
7 |
Correct |
36 ms |
2376 KB |
Output is correct |
8 |
Correct |
45 ms |
2964 KB |
Output is correct |
9 |
Correct |
46 ms |
2896 KB |
Output is correct |
10 |
Correct |
34 ms |
2384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
1616 KB |
Output is correct |
2 |
Correct |
58 ms |
1616 KB |
Output is correct |
3 |
Correct |
64 ms |
1628 KB |
Output is correct |
4 |
Correct |
66 ms |
1532 KB |
Output is correct |
5 |
Correct |
56 ms |
1380 KB |
Output is correct |
6 |
Correct |
60 ms |
3168 KB |
Output is correct |
7 |
Correct |
57 ms |
1616 KB |
Output is correct |
8 |
Correct |
64 ms |
3604 KB |
Output is correct |
9 |
Correct |
61 ms |
3400 KB |
Output is correct |
10 |
Correct |
57 ms |
1616 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 |
336 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 |
336 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 |
508 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
592 KB |
Output is correct |
14 |
Correct |
1 ms |
468 KB |
Output is correct |
15 |
Correct |
1 ms |
336 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 |
468 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 |
336 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 |
508 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
592 KB |
Output is correct |
14 |
Correct |
1 ms |
468 KB |
Output is correct |
15 |
Correct |
1 ms |
336 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 |
468 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 |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
2 ms |
336 KB |
Output is correct |
24 |
Correct |
2 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
2 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
1 ms |
484 KB |
Output is correct |
29 |
Correct |
2 ms |
664 KB |
Output is correct |
30 |
Correct |
1 ms |
480 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
36 ms |
1360 KB |
Output is correct |
2 |
Correct |
41 ms |
1616 KB |
Output is correct |
3 |
Correct |
36 ms |
1608 KB |
Output is correct |
4 |
Correct |
39 ms |
3360 KB |
Output is correct |
5 |
Correct |
34 ms |
1616 KB |
Output is correct |
6 |
Correct |
36 ms |
2888 KB |
Output is correct |
7 |
Correct |
37 ms |
1372 KB |
Output is correct |
8 |
Correct |
38 ms |
3400 KB |
Output is correct |
9 |
Correct |
39 ms |
2888 KB |
Output is correct |
10 |
Correct |
40 ms |
1616 KB |
Output is correct |
11 |
Correct |
32 ms |
1360 KB |
Output is correct |
12 |
Correct |
32 ms |
1616 KB |
Output is correct |
13 |
Correct |
32 ms |
1360 KB |
Output is correct |
14 |
Correct |
33 ms |
2128 KB |
Output is correct |
15 |
Correct |
40 ms |
1360 KB |
Output is correct |
16 |
Correct |
35 ms |
2128 KB |
Output is correct |
17 |
Correct |
36 ms |
2376 KB |
Output is correct |
18 |
Correct |
45 ms |
2964 KB |
Output is correct |
19 |
Correct |
46 ms |
2896 KB |
Output is correct |
20 |
Correct |
34 ms |
2384 KB |
Output is correct |
21 |
Correct |
63 ms |
1616 KB |
Output is correct |
22 |
Correct |
58 ms |
1616 KB |
Output is correct |
23 |
Correct |
64 ms |
1628 KB |
Output is correct |
24 |
Correct |
66 ms |
1532 KB |
Output is correct |
25 |
Correct |
56 ms |
1380 KB |
Output is correct |
26 |
Correct |
60 ms |
3168 KB |
Output is correct |
27 |
Correct |
57 ms |
1616 KB |
Output is correct |
28 |
Correct |
64 ms |
3604 KB |
Output is correct |
29 |
Correct |
61 ms |
3400 KB |
Output is correct |
30 |
Correct |
57 ms |
1616 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 |
336 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 |
508 KB |
Output is correct |
42 |
Correct |
1 ms |
336 KB |
Output is correct |
43 |
Correct |
1 ms |
592 KB |
Output is correct |
44 |
Correct |
1 ms |
468 KB |
Output is correct |
45 |
Correct |
1 ms |
336 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 |
468 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 |
336 KB |
Output is correct |
52 |
Correct |
1 ms |
336 KB |
Output is correct |
53 |
Correct |
2 ms |
336 KB |
Output is correct |
54 |
Correct |
2 ms |
336 KB |
Output is correct |
55 |
Correct |
1 ms |
492 KB |
Output is correct |
56 |
Correct |
2 ms |
336 KB |
Output is correct |
57 |
Correct |
1 ms |
336 KB |
Output is correct |
58 |
Correct |
1 ms |
484 KB |
Output is correct |
59 |
Correct |
2 ms |
664 KB |
Output is correct |
60 |
Correct |
1 ms |
480 KB |
Output is correct |
61 |
Correct |
92 ms |
4424 KB |
Output is correct |
62 |
Correct |
88 ms |
4680 KB |
Output is correct |
63 |
Correct |
76 ms |
4400 KB |
Output is correct |
64 |
Correct |
100 ms |
4424 KB |
Output is correct |
65 |
Correct |
103 ms |
4680 KB |
Output is correct |
66 |
Correct |
109 ms |
4416 KB |
Output is correct |
67 |
Correct |
94 ms |
4432 KB |
Output is correct |
68 |
Correct |
65 ms |
4568 KB |
Output is correct |
69 |
Correct |
62 ms |
4424 KB |
Output is correct |
70 |
Correct |
61 ms |
4464 KB |
Output is correct |