답안 #1116457

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1116457	2024-11-21T16:48:18 Z	Hamed_Ghaffari	Feast (NOI19_feast)	C++17	100 / 100	146 ms	4684 KB

feast

#include <bits/stdc++.h>
using namespace std;

using ll  = long long;
using ld  = long double;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
using ull = unsigned long long;

#define X               first
#define Y               second
#define SZ(x)           int(x.size())
#define all(x)          x.begin(), x.end()
#define mins(a,b)       (a = min(a,b))
#define maxs(a,b)       (a = max(a,b))
#define pb              push_back
#define Mp              make_pair
#define lc              id<<1
#define rc              lc|1
// #define mid             ((l+r)/2)
mt19937_64              rng(chrono::steady_clock::now().time_since_epoch().count());

const ll  INF = 1e9 + 23;
const ll  MOD = 1e9 + 7;
const int MXN = 3e5 + 5;
const int LOG = 23;

int n, k, a[MXN];

pll calc(ll lmb) {
    pll mx = Mp(0, 0), ans = mx;
    ll sum=0;
    for(int i=1; i<=n; i++) {
        sum += a[i];
        maxs(ans, Mp(mx.X+sum-lmb, mx.Y+1));
        maxs(mx, Mp(ans.X-sum, ans.Y));
    }
    return ans;
}

void Main() {
    cin >> n >> k;
    for(int i=1; i<=n; i++) cin >> a[i];
    // ll l=-1, r=1e18;
    // while(r-l>1)
    //     (calc(mid).Y>=k ? l : r) = mid;
    // cout << calc(l).X + l*k << '\n';
    ll lo = 0;
	ll hi = 1e18;
	while (lo < hi) {
		ll mid = (lo + hi + 1) / 2;
		calc(mid).second >= k ? lo = mid : hi = mid - 1;
	}

	cout << calc(lo).first + lo * k << endl;
}

int32_t main() {
    cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);
    int T = 1;
    // cin >> T;
    while(T--) Main();
    return 0;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	42 ms	1360 KB	Output is correct
2	Correct	64 ms	4368 KB	Output is correct
3	Correct	49 ms	4432 KB	Output is correct
4	Correct	50 ms	4600 KB	Output is correct
5	Correct	50 ms	4432 KB	Output is correct
6	Correct	49 ms	4260 KB	Output is correct
7	Correct	47 ms	4176 KB	Output is correct
8	Correct	48 ms	4432 KB	Output is correct
9	Correct	64 ms	4208 KB	Output is correct
10	Correct	48 ms	4152 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	42 ms	1608 KB	Output is correct
2	Correct	43 ms	1624 KB	Output is correct
3	Correct	43 ms	1360 KB	Output is correct
4	Correct	39 ms	1616 KB	Output is correct
5	Correct	51 ms	4020 KB	Output is correct
6	Correct	43 ms	2568 KB	Output is correct
7	Correct	47 ms	2640 KB	Output is correct
8	Correct	53 ms	4168 KB	Output is correct
9	Correct	53 ms	4176 KB	Output is correct
10	Correct	42 ms	2640 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	107 ms	1616 KB	Output is correct
2	Correct	75 ms	1360 KB	Output is correct
3	Correct	97 ms	1608 KB	Output is correct
4	Correct	75 ms	1360 KB	Output is correct
5	Correct	69 ms	1492 KB	Output is correct
6	Correct	70 ms	1616 KB	Output is correct
7	Correct	71 ms	1616 KB	Output is correct
8	Correct	69 ms	1616 KB	Output is correct
9	Correct	83 ms	1616 KB	Output is correct
10	Correct	73 ms	1616 KB	Output is correct

Subtask #4
10.0 / 10.0

#	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	504 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

Subtask #5
11.0 / 11.0

#	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	504 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	444 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	504 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	504 KB	Output is correct

Subtask #6
20.0 / 20.0

#	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	504 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	444 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	504 KB	Output is correct
19	Correct	1 ms	336 KB	Output is correct
20	Correct	1 ms	504 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 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	2 ms	336 KB	Output is correct
27	Correct	2 ms	336 KB	Output is correct
28	Correct	2 ms	336 KB	Output is correct
29	Correct	1 ms	336 KB	Output is correct
30	Correct	1 ms	336 KB	Output is correct

Subtask #7
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	42 ms	1360 KB	Output is correct
2	Correct	64 ms	4368 KB	Output is correct
3	Correct	49 ms	4432 KB	Output is correct
4	Correct	50 ms	4600 KB	Output is correct
5	Correct	50 ms	4432 KB	Output is correct
6	Correct	49 ms	4260 KB	Output is correct
7	Correct	47 ms	4176 KB	Output is correct
8	Correct	48 ms	4432 KB	Output is correct
9	Correct	64 ms	4208 KB	Output is correct
10	Correct	48 ms	4152 KB	Output is correct
11	Correct	42 ms	1608 KB	Output is correct
12	Correct	43 ms	1624 KB	Output is correct
13	Correct	43 ms	1360 KB	Output is correct
14	Correct	39 ms	1616 KB	Output is correct
15	Correct	51 ms	4020 KB	Output is correct
16	Correct	43 ms	2568 KB	Output is correct
17	Correct	47 ms	2640 KB	Output is correct
18	Correct	53 ms	4168 KB	Output is correct
19	Correct	53 ms	4176 KB	Output is correct
20	Correct	42 ms	2640 KB	Output is correct
21	Correct	107 ms	1616 KB	Output is correct
22	Correct	75 ms	1360 KB	Output is correct
23	Correct	97 ms	1608 KB	Output is correct
24	Correct	75 ms	1360 KB	Output is correct
25	Correct	69 ms	1492 KB	Output is correct
26	Correct	70 ms	1616 KB	Output is correct
27	Correct	71 ms	1616 KB	Output is correct
28	Correct	69 ms	1616 KB	Output is correct
29	Correct	83 ms	1616 KB	Output is correct
30	Correct	73 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	504 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	444 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	504 KB	Output is correct
49	Correct	1 ms	336 KB	Output is correct
50	Correct	1 ms	504 KB	Output is correct
51	Correct	1 ms	336 KB	Output is correct
52	Correct	1 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	2 ms	336 KB	Output is correct
57	Correct	2 ms	336 KB	Output is correct
58	Correct	2 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	121 ms	4432 KB	Output is correct
62	Correct	107 ms	4684 KB	Output is correct
63	Correct	89 ms	4432 KB	Output is correct
64	Correct	146 ms	4400 KB	Output is correct
65	Correct	116 ms	4424 KB	Output is correct
66	Correct	118 ms	4676 KB	Output is correct
67	Correct	136 ms	4424 KB	Output is correct
68	Correct	90 ms	4448 KB	Output is correct
69	Correct	75 ms	4432 KB	Output is correct
70	Correct	106 ms	4432 KB	Output is correct

답안 #1116457

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 8.0 / 8.0

Subtask #3 18.0 / 18.0

Subtask #4 10.0 / 10.0

Subtask #5 11.0 / 11.0

Subtask #6 20.0 / 20.0

Subtask #7 29.0 / 29.0

Subtask #1
4.0 / 4.0

Subtask #2
8.0 / 8.0

Subtask #3
18.0 / 18.0

Subtask #4
10.0 / 10.0

Subtask #5
11.0 / 11.0

Subtask #6
20.0 / 20.0

Subtask #7
29.0 / 29.0