답안 #1017491

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1017491	2024-07-09T08:22:42 Z	vjudge1	Feast (NOI19_feast)	C++17	100 / 100	97 ms	7508 KB

feast

#include <bits/stdc++.h>
#define ll long long
#define ii pair<ll,ll>
#define fi first
#define se second
#define pb push_back
using namespace std;
const ll N=3e5+9;
const ll mod=1e9+7;
    ll t,n,k,i,m,x,a[N],tot[N],q,l,b[N],c[N],mu[N],sl=0,xor_basis[64],len=0,r;
ll dp[N][2];
ii check(ll pen)
{
    dp[0][1]=-pen;
    dp[0][0]=0;
    ll res=0;
    ll cnt=0;
    for(i=1;i<=n;i++)
    {
        dp[i][0]=max(dp[i-1][0],dp[i-1][1]);
        dp[i][1]=max(dp[i-1][0]-pen,dp[i-1][1])+a[i];
        res=max(res,dp[i][1]);
    }
    bool op=0;
    ll tot=res;
    if(res==0) return {0,0};
    for(i=n;i>0;i--)
    if(res==dp[i][1])
    {
        res-=a[i];
        if(!op){ cnt++;}
        //if(res==0) break;
        op=1;
    }
    else{if(op)res+=pen; op=0;}
        return {tot+pen*cnt,cnt};
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
cin>>n>>k;
for(i=1;i<=n;i++)
    cin>>a[i];
ll l=0,r=1e18,kq=0;
while(l<=r)
{
    ll mid=(l+r)/2;
    ii ans=check(mid);
  //  cout<<mid<<" "<<ans.se<<'\n';
    if(ans.se<=k){
            if(ans.se>0)
        kq=max(kq,ans.fi);
        r=mid-1;
    }
    else l=mid+1;
}
cout<<kq;
}
/*
6 2
1 2 3 -10 5 6

*/

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	67 ms	7248 KB	Output is correct
2	Correct	69 ms	7260 KB	Output is correct
3	Correct	78 ms	7252 KB	Output is correct
4	Correct	68 ms	7260 KB	Output is correct
5	Correct	69 ms	7332 KB	Output is correct
6	Correct	71 ms	7156 KB	Output is correct
7	Correct	67 ms	7260 KB	Output is correct
8	Correct	69 ms	7252 KB	Output is correct
9	Correct	67 ms	7252 KB	Output is correct
10	Correct	69 ms	7504 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	58 ms	7256 KB	Output is correct
2	Correct	59 ms	7260 KB	Output is correct
3	Correct	61 ms	7260 KB	Output is correct
4	Correct	59 ms	7372 KB	Output is correct
5	Correct	76 ms	7508 KB	Output is correct
6	Correct	60 ms	7296 KB	Output is correct
7	Correct	60 ms	7480 KB	Output is correct
8	Correct	72 ms	7412 KB	Output is correct
9	Correct	69 ms	7252 KB	Output is correct
10	Correct	63 ms	7504 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	72 ms	7256 KB	Output is correct
2	Correct	70 ms	7324 KB	Output is correct
3	Correct	75 ms	7372 KB	Output is correct
4	Correct	71 ms	7324 KB	Output is correct
5	Correct	72 ms	7388 KB	Output is correct
6	Correct	72 ms	7256 KB	Output is correct
7	Correct	73 ms	7248 KB	Output is correct
8	Correct	72 ms	7308 KB	Output is correct
9	Correct	73 ms	7316 KB	Output is correct
10	Correct	72 ms	7248 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	344 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	2 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct

Subtask #7
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	67 ms	7248 KB	Output is correct
2	Correct	69 ms	7260 KB	Output is correct
3	Correct	78 ms	7252 KB	Output is correct
4	Correct	68 ms	7260 KB	Output is correct
5	Correct	69 ms	7332 KB	Output is correct
6	Correct	71 ms	7156 KB	Output is correct
7	Correct	67 ms	7260 KB	Output is correct
8	Correct	69 ms	7252 KB	Output is correct
9	Correct	67 ms	7252 KB	Output is correct
10	Correct	69 ms	7504 KB	Output is correct
11	Correct	58 ms	7256 KB	Output is correct
12	Correct	59 ms	7260 KB	Output is correct
13	Correct	61 ms	7260 KB	Output is correct
14	Correct	59 ms	7372 KB	Output is correct
15	Correct	76 ms	7508 KB	Output is correct
16	Correct	60 ms	7296 KB	Output is correct
17	Correct	60 ms	7480 KB	Output is correct
18	Correct	72 ms	7412 KB	Output is correct
19	Correct	69 ms	7252 KB	Output is correct
20	Correct	63 ms	7504 KB	Output is correct
21	Correct	72 ms	7256 KB	Output is correct
22	Correct	70 ms	7324 KB	Output is correct
23	Correct	75 ms	7372 KB	Output is correct
24	Correct	71 ms	7324 KB	Output is correct
25	Correct	72 ms	7388 KB	Output is correct
26	Correct	72 ms	7256 KB	Output is correct
27	Correct	73 ms	7248 KB	Output is correct
28	Correct	72 ms	7308 KB	Output is correct
29	Correct	73 ms	7316 KB	Output is correct
30	Correct	72 ms	7248 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	1 ms	344 KB	Output is correct
46	Correct	1 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	2 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	348 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct
59	Correct	1 ms	348 KB	Output is correct
60	Correct	1 ms	348 KB	Output is correct
61	Correct	93 ms	7304 KB	Output is correct
62	Correct	97 ms	7488 KB	Output is correct
63	Correct	73 ms	7256 KB	Output is correct
64	Correct	91 ms	7256 KB	Output is correct
65	Correct	85 ms	7260 KB	Output is correct
66	Correct	86 ms	7252 KB	Output is correct
67	Correct	89 ms	7260 KB	Output is correct
68	Correct	72 ms	7260 KB	Output is correct
69	Correct	69 ms	7152 KB	Output is correct
70	Correct	79 ms	7256 KB	Output is correct

답안 #1017491

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