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Submission #970572

# Submission time Handle Problem Language Result Execution time Memory
970572 2024-04-26T17:50:43 Z RandomUser Holding (COCI20_holding) C++17
110 / 110
 70 ms 20172 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
    int n, l, r, K;
    cin >> n >> l >> r >> K;

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

    int sum = 0;
    for(int i=l; i<=r; i++) sum += v[i];

    int dpL[l][2][K+1], dpR[2][n+2][K+1], mnL[n+1][K+1], mnR[n+1][K+1];
    memset(dpR, 0, sizeof(dpR));
    memset(dpL, 0, sizeof(dpL));
    memset(mnL, 0, sizeof(mnL));
    memset(mnR, 0, sizeof(mnR));

    for(int j=l; j<=r; j++) {
        for(int i=1; i<l; i++) {
            for(int k=0; k<=K; k++) {
                dpL[i][1][k] = min(dpL[i][1][k], dpL[i-1][1][k]);
                dpL[i][1][k] = min(dpL[i][1][k], dpL[i][0][k]);
                if(j - i <= k) dpL[i][1][k] = min(dpL[i][1][k], dpL[i-1][0][k-j+i] + v[i] - v[j]);
                if(i == l-1) mnL[j][k] = dpL[i][1][k];
            }
        }

        for(int i=1; i<l; i++) {
            for(int k=0; k<=K; k++) {
                dpL[i][0][k] = dpL[i][1][k];
                dpL[i][1][k] = 0;
            }
        }
    }

    for(int i=r; i>=l; i--) {
        for(int j=n; j>=r+1; j--) {
            for(int k=0; k<=K; k++) {
                dpR[1][j][k] = min(dpR[1][j][k], dpR[0][j][k]);
                dpR[1][j][k] = min(dpR[1][j][k], dpR[1][j+1][k]);
                if(j - i <= k) dpR[1][j][k] = min(dpR[1][j][k], dpR[0][j+1][k-j+i] + v[j] - v[i]);
                if(j == r + 1) mnR[i][k] = dpR[1][j][k];
            }
        }

        for(int j=n; j>=r+1; j--) {
            for(int k=0; k<=K; k++) {
                dpR[0][j][k] = dpR[1][j][k];
                dpR[1][j][k] = 0;
            }
        }
    }

    int mn = min(mnL[r][K], mnR[l][K]);
    for(int i=l; i<r; i++)
        for(int j=0; j<=K; j++)
            mn = min(mn, mnL[i][j] + mnR[i+1][K-j]);

    cout << sum + mn << '\n';
    return 0;
}

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 440 KB Output is correct
7 Correct 3 ms 2904 KB Output is correct

Subtask #2
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 440 KB Output is correct
7 Correct 3 ms 2904 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 440 KB Output is correct
13 Correct 21 ms 10448 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 440 KB Output is correct
7 Correct 3 ms 2904 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 440 KB Output is correct
13 Correct 21 ms 10448 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 352 KB Output is correct
16 Correct 1 ms 352 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 20 ms 10452 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 440 KB Output is correct
7 Correct 3 ms 2904 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 440 KB Output is correct
13 Correct 21 ms 10448 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 352 KB Output is correct
16 Correct 1 ms 352 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 20 ms 10452 KB Output is correct
20 Correct 2 ms 1112 KB Output is correct
21 Correct 2 ms 1628 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 7 ms 9052 KB Output is correct
24 Correct 2 ms 864 KB Output is correct
25 Correct 70 ms 20172 KB Output is correct