답안 #832961

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
832961	2023-08-21T17:14:15 Z	CSQ31	Feast (NOI19_feast)	C++17	100 / 100	123 ms	9232 KB

feast

#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
const int MAXN = 3e5+5;
const ll INF = 1e18;
int n,k;
ll a[MAXN],dp[MAXN];
ll find(ll x){
	for(int i=1;i<=n;i++)dp[i] = INF;
	vector<int>seg(n+1,0);
	dp[0] = 0;
	ll mx = 0;
	int cur = 0;
	for(int i=1;i<=n;i++){
		dp[i] = a[i] + mx - x;
		seg[i] = cur+1;
		
		if(dp[i-1] > dp[i]){
			dp[i] = dp[i-1];
			seg[i] = seg[i-1];
		}
		if(dp[i] - a[i] == mx)cur = max(cur,seg[i]);
		else if(dp[i] - a[i] > mx){
			mx = dp[i] - a[i];
			cur = seg[i];
		}
		
	}
	return seg[n];
}
int main()
{
	owo
	cin>>n>>k;
	for(int i=1;i<=n;i++){
		cin>>a[i];
		a[i]+=a[i-1];
	}
	ll l = 0,r = 1e15;
	while(r>l){
		ll m = (l+r+1)/2;
		if(find(m) < k)r = m-1;
		else l = m;
	}
	find(r);
	cout<<dp[n] + k*1LL*r;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	6660 KB	Output is correct
2	Correct	57 ms	8920 KB	Output is correct
3	Correct	52 ms	9068 KB	Output is correct
4	Correct	50 ms	9012 KB	Output is correct
5	Correct	51 ms	8908 KB	Output is correct
6	Correct	55 ms	8728 KB	Output is correct
7	Correct	53 ms	8820 KB	Output is correct
8	Correct	50 ms	8984 KB	Output is correct
9	Correct	50 ms	8788 KB	Output is correct
10	Correct	50 ms	8860 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	56 ms	6180 KB	Output is correct
2	Correct	58 ms	7304 KB	Output is correct
3	Correct	55 ms	7064 KB	Output is correct
4	Correct	49 ms	7184 KB	Output is correct
5	Correct	63 ms	8804 KB	Output is correct
6	Correct	61 ms	7180 KB	Output is correct
7	Correct	50 ms	7332 KB	Output is correct
8	Correct	75 ms	8968 KB	Output is correct
9	Correct	63 ms	8772 KB	Output is correct
10	Correct	48 ms	7236 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	81 ms	6900 KB	Output is correct
2	Correct	85 ms	9088 KB	Output is correct
3	Correct	80 ms	9024 KB	Output is correct
4	Correct	85 ms	9024 KB	Output is correct
5	Correct	82 ms	9152 KB	Output is correct
6	Correct	80 ms	9164 KB	Output is correct
7	Correct	85 ms	9216 KB	Output is correct
8	Correct	79 ms	9064 KB	Output is correct
9	Correct	89 ms	9160 KB	Output is correct
10	Correct	82 ms	9200 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	328 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	328 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	328 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	368 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	340 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct

Subtask #7
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	6660 KB	Output is correct
2	Correct	57 ms	8920 KB	Output is correct
3	Correct	52 ms	9068 KB	Output is correct
4	Correct	50 ms	9012 KB	Output is correct
5	Correct	51 ms	8908 KB	Output is correct
6	Correct	55 ms	8728 KB	Output is correct
7	Correct	53 ms	8820 KB	Output is correct
8	Correct	50 ms	8984 KB	Output is correct
9	Correct	50 ms	8788 KB	Output is correct
10	Correct	50 ms	8860 KB	Output is correct
11	Correct	56 ms	6180 KB	Output is correct
12	Correct	58 ms	7304 KB	Output is correct
13	Correct	55 ms	7064 KB	Output is correct
14	Correct	49 ms	7184 KB	Output is correct
15	Correct	63 ms	8804 KB	Output is correct
16	Correct	61 ms	7180 KB	Output is correct
17	Correct	50 ms	7332 KB	Output is correct
18	Correct	75 ms	8968 KB	Output is correct
19	Correct	63 ms	8772 KB	Output is correct
20	Correct	48 ms	7236 KB	Output is correct
21	Correct	81 ms	6900 KB	Output is correct
22	Correct	85 ms	9088 KB	Output is correct
23	Correct	80 ms	9024 KB	Output is correct
24	Correct	85 ms	9024 KB	Output is correct
25	Correct	82 ms	9152 KB	Output is correct
26	Correct	80 ms	9164 KB	Output is correct
27	Correct	85 ms	9216 KB	Output is correct
28	Correct	79 ms	9064 KB	Output is correct
29	Correct	89 ms	9160 KB	Output is correct
30	Correct	82 ms	9200 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	1 ms	328 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	1 ms	212 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	0 ms	340 KB	Output is correct
48	Correct	1 ms	340 KB	Output is correct
49	Correct	1 ms	340 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	340 KB	Output is correct
55	Correct	1 ms	364 KB	Output is correct
56	Correct	1 ms	368 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	340 KB	Output is correct
60	Correct	1 ms	344 KB	Output is correct
61	Correct	107 ms	9028 KB	Output is correct
62	Correct	107 ms	9232 KB	Output is correct
63	Correct	90 ms	8996 KB	Output is correct
64	Correct	110 ms	9180 KB	Output is correct
65	Correct	123 ms	9164 KB	Output is correct
66	Correct	110 ms	9144 KB	Output is correct
67	Correct	107 ms	8988 KB	Output is correct
68	Correct	91 ms	9180 KB	Output is correct
69	Correct	83 ms	8968 KB	Output is correct
70	Correct	83 ms	8960 KB	Output is correct

답안 #832961

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