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Submission #727197

# Submission time Handle Problem Language Result Execution time Memory
727197 2023-04-20T07:47:42 Z PenguinsAreCute Feast (NOI19_feast) C++17
100 / 100
 220 ms 7464 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define mp make_pair
#define stMx(a,b) a = max(a,b)
typedef pair<int,int> ii;
#define REP(i, a, b) for(int i = a; i < b; i++)
int32_t main() {
    int N, K; cin >> N >> K; int A[N+1]; A[0]=0;
    REP(i,1,N+1) {
        cin>>A[i];
        A[i]+=A[i-1];
    }
    ii dp[N+1];
    int l = -1, h = 300000000000005;
    while(h-l>1){
        dp[0]=mp(0,0);
        int lambda = (l+h)/2;
        ii best = mp(0,0);
        REP(i,1,N+1) {
            dp[i]=max(dp[i-1],mp(A[i]+best.fi-lambda,best.se-1));
            stMx(best,mp(dp[i].fi-A[i],dp[i].se));
        }
        if(dp[N].se>=-1*K) h=lambda;
        else l=lambda;
    }
    ii best = mp(0,0);
    REP(i,1,N+1) {
        dp[i]=max(dp[i-1],mp(A[i]+best.fi-h,best.se-1));
        stMx(best,mp(dp[i].fi-A[i],dp[i].se));
    }
    cout << dp[N].fi+h*K;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 7156 KB Output is correct
2 Correct 142 ms 7200 KB Output is correct
3 Correct 182 ms 7284 KB Output is correct
4 Correct 135 ms 7256 KB Output is correct
5 Correct 138 ms 7216 KB Output is correct
6 Correct 141 ms 7164 KB Output is correct
7 Correct 141 ms 7160 KB Output is correct
8 Correct 135 ms 7328 KB Output is correct
9 Correct 130 ms 7248 KB Output is correct
10 Correct 142 ms 7372 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 7052 KB Output is correct
2 Correct 92 ms 7396 KB Output is correct
3 Correct 92 ms 7180 KB Output is correct
4 Correct 90 ms 7320 KB Output is correct
5 Correct 129 ms 7164 KB Output is correct
6 Correct 88 ms 7156 KB Output is correct
7 Correct 95 ms 7356 KB Output is correct
8 Correct 140 ms 7340 KB Output is correct
9 Correct 132 ms 7116 KB Output is correct
10 Correct 90 ms 7396 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 175 ms 7204 KB Output is correct
2 Correct 167 ms 7180 KB Output is correct
3 Correct 166 ms 7464 KB Output is correct
4 Correct 175 ms 7244 KB Output is correct
5 Correct 160 ms 7320 KB Output is correct
6 Correct 177 ms 7340 KB Output is correct
7 Correct 182 ms 7408 KB Output is correct
8 Correct 167 ms 7448 KB Output is correct
9 Correct 175 ms 7424 KB Output is correct
10 Correct 172 ms 7408 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 3 ms 340 KB Output is correct
22 Correct 2 ms 332 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 2 ms 340 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 2 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct

Subtask #7
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 7156 KB Output is correct
2 Correct 142 ms 7200 KB Output is correct
3 Correct 182 ms 7284 KB Output is correct
4 Correct 135 ms 7256 KB Output is correct
5 Correct 138 ms 7216 KB Output is correct
6 Correct 141 ms 7164 KB Output is correct
7 Correct 141 ms 7160 KB Output is correct
8 Correct 135 ms 7328 KB Output is correct
9 Correct 130 ms 7248 KB Output is correct
10 Correct 142 ms 7372 KB Output is correct
11 Correct 89 ms 7052 KB Output is correct
12 Correct 92 ms 7396 KB Output is correct
13 Correct 92 ms 7180 KB Output is correct
14 Correct 90 ms 7320 KB Output is correct
15 Correct 129 ms 7164 KB Output is correct
16 Correct 88 ms 7156 KB Output is correct
17 Correct 95 ms 7356 KB Output is correct
18 Correct 140 ms 7340 KB Output is correct
19 Correct 132 ms 7116 KB Output is correct
20 Correct 90 ms 7396 KB Output is correct
21 Correct 175 ms 7204 KB Output is correct
22 Correct 167 ms 7180 KB Output is correct
23 Correct 166 ms 7464 KB Output is correct
24 Correct 175 ms 7244 KB Output is correct
25 Correct 160 ms 7320 KB Output is correct
26 Correct 177 ms 7340 KB Output is correct
27 Correct 182 ms 7408 KB Output is correct
28 Correct 167 ms 7448 KB Output is correct
29 Correct 175 ms 7424 KB Output is correct
30 Correct 172 ms 7408 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 300 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 300 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 3 ms 340 KB Output is correct
52 Correct 2 ms 332 KB Output is correct
53 Correct 2 ms 340 KB Output is correct
54 Correct 2 ms 340 KB Output is correct
55 Correct 2 ms 340 KB Output is correct
56 Correct 2 ms 340 KB Output is correct
57 Correct 2 ms 340 KB Output is correct
58 Correct 2 ms 340 KB Output is correct
59 Correct 2 ms 340 KB Output is correct
60 Correct 2 ms 340 KB Output is correct
61 Correct 209 ms 7168 KB Output is correct
62 Correct 198 ms 7352 KB Output is correct
63 Correct 175 ms 7292 KB Output is correct
64 Correct 205 ms 7384 KB Output is correct
65 Correct 208 ms 7376 KB Output is correct
66 Correct 200 ms 7360 KB Output is correct
67 Correct 220 ms 7252 KB Output is correct
68 Correct 172 ms 7336 KB Output is correct
69 Correct 181 ms 7176 KB Output is correct
70 Correct 161 ms 7156 KB Output is correct