답안 #942032

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
942032	2024-03-10T03:58:10 Z	8pete8	Feast (NOI19_feast)	C++17	100 / 100	117 ms	15208 KB

feast

#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include <cassert>
#include <cstdint>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric> //gcd(a,b)
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-loops")
using namespace std;
#define int long long
#define double long double
const int mod=1e9+7,mxn=3e5+5,lg=30,inf=1e16,minf=-1e18;
int v[mxn+10],mid;
pii dp[mxn+10][2];
int n,m;
int check(){
	dp[0][0]={0,0};
	dp[0][1]={minf,0};
	for(int i=1;i<=n;i++){
		dp[i][0]=max(dp[i-1][1],dp[i-1][0]);
		dp[i][1]=max(make_pair(dp[i-1][1].f+v[i],dp[i-1][1].s),make_pair(dp[i-1][0].f+v[i]-mid,dp[i-1][0].s+1));
	}
	return max(dp[n][0],dp[n][1]).s;
}
int32_t main(){
    fastio
	cin>>n>>m;
	for(int i=1;i<=n;i++)cin>>v[i];
	int l=0,r=inf;
	int ans=inf;
	while(l<=r){
		mid=l+(r-l)/2;
		if(check()<=m)r=mid-1,ans=mid;
		else l=mid+1;
	}
	mid=ans;
	check();
	cout<<(m*ans)+max(dp[n][0].f,dp[n][1].f);
	/*
	lambda increase 
	group decrease
	*/
}
/*
*/

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	14672 KB	Output is correct
2	Correct	79 ms	14940 KB	Output is correct
3	Correct	78 ms	14940 KB	Output is correct
4	Correct	78 ms	14872 KB	Output is correct
5	Correct	79 ms	15000 KB	Output is correct
6	Correct	77 ms	14908 KB	Output is correct
7	Correct	80 ms	14904 KB	Output is correct
8	Correct	78 ms	15004 KB	Output is correct
9	Correct	77 ms	14672 KB	Output is correct
10	Correct	78 ms	14912 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	13236 KB	Output is correct
2	Correct	69 ms	13308 KB	Output is correct
3	Correct	67 ms	13148 KB	Output is correct
4	Correct	67 ms	13136 KB	Output is correct
5	Correct	77 ms	14912 KB	Output is correct
6	Correct	67 ms	13228 KB	Output is correct
7	Correct	69 ms	13124 KB	Output is correct
8	Correct	80 ms	14940 KB	Output is correct
9	Correct	78 ms	14684 KB	Output is correct
10	Correct	68 ms	13148 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	89 ms	15184 KB	Output is correct
2	Correct	85 ms	14936 KB	Output is correct
3	Correct	85 ms	14940 KB	Output is correct
4	Correct	84 ms	15108 KB	Output is correct
5	Correct	86 ms	14928 KB	Output is correct
6	Correct	86 ms	15108 KB	Output is correct
7	Correct	86 ms	15184 KB	Output is correct
8	Correct	85 ms	15156 KB	Output is correct
9	Correct	91 ms	15184 KB	Output is correct
10	Correct	87 ms	15208 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2516 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2392 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2516 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2392 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2392 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2516 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2392 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2392 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2540 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2544 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct

Subtask #7
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	75 ms	14672 KB	Output is correct
2	Correct	79 ms	14940 KB	Output is correct
3	Correct	78 ms	14940 KB	Output is correct
4	Correct	78 ms	14872 KB	Output is correct
5	Correct	79 ms	15000 KB	Output is correct
6	Correct	77 ms	14908 KB	Output is correct
7	Correct	80 ms	14904 KB	Output is correct
8	Correct	78 ms	15004 KB	Output is correct
9	Correct	77 ms	14672 KB	Output is correct
10	Correct	78 ms	14912 KB	Output is correct
11	Correct	75 ms	13236 KB	Output is correct
12	Correct	69 ms	13308 KB	Output is correct
13	Correct	67 ms	13148 KB	Output is correct
14	Correct	67 ms	13136 KB	Output is correct
15	Correct	77 ms	14912 KB	Output is correct
16	Correct	67 ms	13228 KB	Output is correct
17	Correct	69 ms	13124 KB	Output is correct
18	Correct	80 ms	14940 KB	Output is correct
19	Correct	78 ms	14684 KB	Output is correct
20	Correct	68 ms	13148 KB	Output is correct
21	Correct	89 ms	15184 KB	Output is correct
22	Correct	85 ms	14936 KB	Output is correct
23	Correct	85 ms	14940 KB	Output is correct
24	Correct	84 ms	15108 KB	Output is correct
25	Correct	86 ms	14928 KB	Output is correct
26	Correct	86 ms	15108 KB	Output is correct
27	Correct	86 ms	15184 KB	Output is correct
28	Correct	85 ms	15156 KB	Output is correct
29	Correct	91 ms	15184 KB	Output is correct
30	Correct	87 ms	15208 KB	Output is correct
31	Correct	1 ms	2392 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2516 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2396 KB	Output is correct
36	Correct	1 ms	2396 KB	Output is correct
37	Correct	1 ms	2396 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct
39	Correct	1 ms	2396 KB	Output is correct
40	Correct	1 ms	2392 KB	Output is correct
41	Correct	1 ms	2396 KB	Output is correct
42	Correct	1 ms	2396 KB	Output is correct
43	Correct	1 ms	2396 KB	Output is correct
44	Correct	1 ms	2392 KB	Output is correct
45	Correct	1 ms	2396 KB	Output is correct
46	Correct	1 ms	2396 KB	Output is correct
47	Correct	1 ms	2396 KB	Output is correct
48	Correct	1 ms	2396 KB	Output is correct
49	Correct	1 ms	2396 KB	Output is correct
50	Correct	1 ms	2396 KB	Output is correct
51	Correct	1 ms	2396 KB	Output is correct
52	Correct	1 ms	2396 KB	Output is correct
53	Correct	1 ms	2396 KB	Output is correct
54	Correct	1 ms	2396 KB	Output is correct
55	Correct	1 ms	2396 KB	Output is correct
56	Correct	1 ms	2540 KB	Output is correct
57	Correct	1 ms	2396 KB	Output is correct
58	Correct	1 ms	2544 KB	Output is correct
59	Correct	1 ms	2396 KB	Output is correct
60	Correct	1 ms	2396 KB	Output is correct
61	Correct	111 ms	15096 KB	Output is correct
62	Correct	108 ms	15184 KB	Output is correct
63	Correct	94 ms	14852 KB	Output is correct
64	Correct	112 ms	15188 KB	Output is correct
65	Correct	117 ms	15056 KB	Output is correct
66	Correct	117 ms	14940 KB	Output is correct
67	Correct	113 ms	14932 KB	Output is correct
68	Correct	86 ms	15120 KB	Output is correct
69	Correct	87 ms	15096 KB	Output is correct
70	Correct	84 ms	14932 KB	Output is correct

답안 #942032

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