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Submission #950611

# Submission time Handle Problem Language Result Execution time Memory
950611 2024-03-20T13:41:32 Z VMaksimoski008 Feast (NOI19_feast) C++14
100 / 100
 297 ms 23904 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;
using ll = long long;
using pll = pair<ll, ll>;

int32_t main() {
    int n, K;
    cin >> n >> K;

    vector<int> v(n+1);
    for(int i=1; i<=n; i++) cin >> v[i];

    ll l=0, r=1e15, ans=0;
    vector<vector<pll> > dp(n+1, vector<pll>(2));

    auto check = [&](int mid) {
        for(int i=0; i<=n; i++)
            for(int j=0; j<2; j++) dp[i][j] = {0, 0};
        dp[0][1] = {-1e18, 0};

        for(int i=1; i<=n; i++) {
            dp[i][0] = max(dp[i-1][0], dp[i-1][1]);
            dp[i][1] = max(pll{ dp[i-1][1].first + v[i], dp[i-1][1].second }, pll{ dp[i-1][0].first + v[i] - mid, dp[i-1][0].second + 1 });
        }

        return max(dp[n][0], dp[n][1]).second;
    };

    while(l <= r) {
        ll mid = (l + r) / 2;
        if(check(mid) >= K) ans = mid, l = mid + 1;
        else r = mid - 1;
    }

    check(ans);
    cout << max(dp[n][0], dp[n][1]).first + K * ans << '\n';
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 218 ms 23164 KB Output is correct
2 Correct 229 ms 23632 KB Output is correct
3 Correct 222 ms 23780 KB Output is correct
4 Correct 226 ms 23632 KB Output is correct
5 Correct 232 ms 23636 KB Output is correct
6 Correct 226 ms 23120 KB Output is correct
7 Correct 211 ms 23124 KB Output is correct
8 Correct 215 ms 23476 KB Output is correct
9 Correct 213 ms 23204 KB Output is correct
10 Correct 235 ms 23636 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 193 ms 23192 KB Output is correct
2 Correct 193 ms 23636 KB Output is correct
3 Correct 190 ms 23128 KB Output is correct
4 Correct 183 ms 23500 KB Output is correct
5 Correct 224 ms 23184 KB Output is correct
6 Correct 189 ms 23380 KB Output is correct
7 Correct 185 ms 23904 KB Output is correct
8 Correct 236 ms 23740 KB Output is correct
9 Correct 228 ms 23128 KB Output is correct
10 Correct 186 ms 23728 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 265 ms 23484 KB Output is correct
2 Correct 235 ms 23344 KB Output is correct
3 Correct 244 ms 23488 KB Output is correct
4 Correct 245 ms 23340 KB Output is correct
5 Correct 253 ms 23484 KB Output is correct
6 Correct 247 ms 23700 KB Output is correct
7 Correct 243 ms 23756 KB Output is correct
8 Correct 241 ms 23476 KB Output is correct
9 Correct 243 ms 23860 KB Output is correct
10 Correct 241 ms 23796 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 348 KB Output is correct
5 Correct 1 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 1 ms 408 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 348 KB Output is correct
5 Correct 1 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 1 ms 408 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 348 KB Output is correct
5 Correct 1 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 1 ms 408 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 2 ms 584 KB Output is correct
26 Correct 2 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 2 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct

Subtask #7
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 218 ms 23164 KB Output is correct
2 Correct 229 ms 23632 KB Output is correct
3 Correct 222 ms 23780 KB Output is correct
4 Correct 226 ms 23632 KB Output is correct
5 Correct 232 ms 23636 KB Output is correct
6 Correct 226 ms 23120 KB Output is correct
7 Correct 211 ms 23124 KB Output is correct
8 Correct 215 ms 23476 KB Output is correct
9 Correct 213 ms 23204 KB Output is correct
10 Correct 235 ms 23636 KB Output is correct
11 Correct 193 ms 23192 KB Output is correct
12 Correct 193 ms 23636 KB Output is correct
13 Correct 190 ms 23128 KB Output is correct
14 Correct 183 ms 23500 KB Output is correct
15 Correct 224 ms 23184 KB Output is correct
16 Correct 189 ms 23380 KB Output is correct
17 Correct 185 ms 23904 KB Output is correct
18 Correct 236 ms 23740 KB Output is correct
19 Correct 228 ms 23128 KB Output is correct
20 Correct 186 ms 23728 KB Output is correct
21 Correct 265 ms 23484 KB Output is correct
22 Correct 235 ms 23344 KB Output is correct
23 Correct 244 ms 23488 KB Output is correct
24 Correct 245 ms 23340 KB Output is correct
25 Correct 253 ms 23484 KB Output is correct
26 Correct 247 ms 23700 KB Output is correct
27 Correct 243 ms 23756 KB Output is correct
28 Correct 241 ms 23476 KB Output is correct
29 Correct 243 ms 23860 KB Output is correct
30 Correct 241 ms 23796 KB Output is correct
31 Correct 1 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 348 KB Output is correct
35 Correct 1 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 1 ms 408 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 2 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 2 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 2 ms 584 KB Output is correct
56 Correct 2 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 2 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 257 ms 23192 KB Output is correct
62 Correct 265 ms 23892 KB Output is correct
63 Correct 241 ms 23200 KB Output is correct
64 Correct 282 ms 23636 KB Output is correct
65 Correct 297 ms 23696 KB Output is correct
66 Correct 257 ms 23480 KB Output is correct
67 Correct 270 ms 23448 KB Output is correct
68 Correct 239 ms 23632 KB Output is correct
69 Correct 232 ms 23380 KB Output is correct
70 Correct 236 ms 23196 KB Output is correct