oj.uz

답안 #1055071

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1055071 2024-08-12T14:26:44 Z j_vdd16 Copy and Paste 3 (JOI22_copypaste3) C++17
15 / 100
 3000 ms 474708 KB 
#include <algorithm>
#include <bitset>
#include <cstdint>
#include <cstring>
#include <iostream>
#include <limits.h>
#include <math.h>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>

#define int long long
#define loop(X, N) for(int X = 0; X < (N); X++)
#define all(V) V.begin(), V.end()
#define rall(V) V.rbegin(), V.rend()

using namespace std;

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<vector<ii>> vvii;
typedef vector<bool> vb;
typedef vector<vector<bool>> vvb;

typedef uint64_t u64;
typedef int64_t i64;

int n;
string s;
int A, B, C;
int maxCost;

map<pair<ii, ii>, int> memoize;
int solve(int a, int b, int c, int d) {
    if (a == b) {
        a = 0;
        b = 0;
    }
    if (c == d) {
        c = 0;
        d = 0;
    }

    if (d - c == 0) return (b - a) * A;

    if (memoize.count({{a, b}, {c, d}})) 
        return memoize[{{a, b}, {c, d}}];

    /*
    [a, b, c, d] depends on:
    [a, x < b, c, d]
    
    [0, 0, a, b] depends on:
    [a, b, c, y <= b]
    
    */

    int res = maxCost;
    if (b - 1 >= a)
        res = min(res, solve(a, b - 1, c, d) + A);
    
    if (b - (d - c) >= a && d > c && s.substr(b - (d - c), d - c) == s.substr(c, d - c)) {
        res = min(res, solve(a, b - (d - c), c, d) + C);
    }
    
    if (a == 0 && b == 0) {
        loop(x, n + 1) {
            for (int y = x; y < d; y++) {
                res = min(res, solve(c, d, x, y) + B);
            }
        }
    }

    memoize[{{a, b}, {c, d}}] = res;
    return res;
}

vector<vector<vvi>> dp;
int& get(int a, int b, int c, int d) {
    if (a == b) {
        a = 0;
        b = 0;
    }
    if (c == d) {
        c = 0;
        d = 0;
    }

    return dp[a][b][c][d];
}
signed main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);

    //dp cost of building S[a, b] with S[c, d] in clipboard

    cin >> n;

    cin >> s;

    cin >> A >> B >> C;

    maxCost = max({A, B, C}) * n;
    /*
    dp[a][b][c][d]
    */
    // loop(i, n) {
    //     dp[i][i][n][n] = A;
    // }
    // for (int i = 1; i <= 2 * n; i++) {

    // }

    /*
    dp[a][b][c][d]

    dp[a][b][c][d] = min(dp[a][b][c][d], dp[a][b - 1][c][d] + A)
    dp[0][0][c][d] = min(dp[c][d][a][b] + B)

    if (s[b-(d-c), b] == s[c, d]) dp[a][b][c][d] = min(dp[a][b][c][d], dp[a][b-(d-c)][c][d] + C)

    */
    // dp = vector<vector<vvi>>(n + 1, vector<vvi>(n + 1, vvi(n + 1, vi(n + 1, maxCost))));

    // dp[0][0][0][0] = 0;
    // loop(c, n + 1) {
    //     for (int d = c; d < n + 1; d++) {
    //         loop(a, n + 1) {
    //             for (int b = a; b < n + 1; b++) {
    //                 /*
    //                 [a, b, c, d] depends on:
    //                 [a, x < b, c, d]
                    
    //                 [0, 0, a, b] depends on:
    //                 [a, b, c, y <= b]
                    
    //                 */

    //                 if (b - 1 >= a)
    //                     get(a, b, c, d) = min(get(a, b, c, d), get(a, b - 1, c, d) + A);
                    
    //                 if (b - (d - c) >= a && d > c && s.substr(b - (d - c), d - c) == s.substr(c, d - c)) {
    //                     get(a, b, c, d) = min(get(a, b, c, d), get(a, b - (d - c), c, d) + C);
    //                 }
                    
    //                 if (d <= b)
    //                     get(0, 0, a, b) = min(get(0, 0, a, b), get(a, b, c, d) + B);
    //             }
    //         }
    //     }
    // }

    int result = maxCost;
    loop(c, n + 1) {
        for (int d = c; d < n + 1; d++) {
            //result = min(result, dp[0][n][c][d]);
            result = min(result, solve(0, n, c, d));
        }
    }

    cout << result << endl;

    // map<string, int> clipBoardCost;
    // clipBoardCost[""] = 0;
    // loop(i, n) {
    //     clipBoardCost[s.substr(i, 1)] = A + B;
    // }
    // for (int sz = 2; sz <= n; sz++) {
    //     loop(i, n) {
    //         string goal = s.substr(i, sz);
    //         string prev = goal;
    //         prev.pop_back();

    //         clipBoardCost[goal] = min(clipBoardCost[goal], sz * A);
            
    //     }
    // }

    return 0;

    // vvi cost(n + 1, vi(n + 1, maxCost));
    // cost[0][0] = 0;
    
    // //cost[0][j] = min(cost[j][i] + B)
    // //cost[i][j] = min(cost[i - j][j] + C, cost[i - 1][j] + A)
    // loop(i, n + 1) {
    //     loop(j, n + 1) {
    //         if (i - 1 >= 0) cost[i][j] = min(cost[i][j], cost[i - 1][j] + A);
    //         if (i - j >= 0) cost[i][j] = min(cost[i][j], cost[i - j][j] + C);

    //         cost[0][i] = min(cost[0][i], cost[i][j] + B);
    //     }
    // }

    // int result = maxCost;
    // loop(j, n + 1) {
    //     result = min(result, cost[n][j]);
    // }

    // cout << result << endl;

	// return 0;
}

Subtask #1
1.0 / 1.0

# 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 348 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

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 1628 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Execution timed out 3108 ms 391400 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# 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 348 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 2 ms 600 KB Output is correct
12 Correct 6 ms 1768 KB Output is correct
13 Correct 8 ms 2396 KB Output is correct
14 Correct 0 ms 464 KB Output is correct
15 Correct 10 ms 2908 KB Output is correct
16 Correct 2 ms 860 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 4 ms 860 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 82 ms 16228 KB Output is correct
22 Correct 64 ms 16208 KB Output is correct
23 Correct 66 ms 16200 KB Output is correct
24 Correct 64 ms 16208 KB Output is correct
25 Correct 66 ms 16208 KB Output is correct
26 Correct 66 ms 16212 KB Output is correct
27 Correct 66 ms 16248 KB Output is correct
28 Correct 68 ms 16208 KB Output is correct
29 Correct 63 ms 16208 KB Output is correct
30 Correct 69 ms 16212 KB Output is correct
31 Correct 64 ms 16348 KB Output is correct
32 Correct 63 ms 16212 KB Output is correct
33 Correct 61 ms 16212 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 2 ms 968 KB Output is correct
39 Correct 82 ms 16156 KB Output is correct

Subtask #4
0 / 10.0

# 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 348 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 2 ms 600 KB Output is correct
12 Correct 6 ms 1768 KB Output is correct
13 Correct 8 ms 2396 KB Output is correct
14 Correct 0 ms 464 KB Output is correct
15 Correct 10 ms 2908 KB Output is correct
16 Correct 2 ms 860 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 4 ms 860 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 82 ms 16228 KB Output is correct
22 Correct 64 ms 16208 KB Output is correct
23 Correct 66 ms 16200 KB Output is correct
24 Correct 64 ms 16208 KB Output is correct
25 Correct 66 ms 16208 KB Output is correct
26 Correct 66 ms 16212 KB Output is correct
27 Correct 66 ms 16248 KB Output is correct
28 Correct 68 ms 16208 KB Output is correct
29 Correct 63 ms 16208 KB Output is correct
30 Correct 69 ms 16212 KB Output is correct
31 Correct 64 ms 16348 KB Output is correct
32 Correct 63 ms 16212 KB Output is correct
33 Correct 61 ms 16212 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 2 ms 968 KB Output is correct
39 Correct 82 ms 16156 KB Output is correct
40 Execution timed out 3095 ms 474708 KB Time limit exceeded
41 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# 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 348 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 2 ms 600 KB Output is correct
12 Correct 6 ms 1768 KB Output is correct
13 Correct 8 ms 2396 KB Output is correct
14 Correct 0 ms 464 KB Output is correct
15 Correct 10 ms 2908 KB Output is correct
16 Correct 2 ms 860 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 4 ms 860 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 82 ms 16228 KB Output is correct
22 Correct 64 ms 16208 KB Output is correct
23 Correct 66 ms 16200 KB Output is correct
24 Correct 64 ms 16208 KB Output is correct
25 Correct 66 ms 16208 KB Output is correct
26 Correct 66 ms 16212 KB Output is correct
27 Correct 66 ms 16248 KB Output is correct
28 Correct 68 ms 16208 KB Output is correct
29 Correct 63 ms 16208 KB Output is correct
30 Correct 69 ms 16212 KB Output is correct
31 Correct 64 ms 16348 KB Output is correct
32 Correct 63 ms 16212 KB Output is correct
33 Correct 61 ms 16212 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 2 ms 968 KB Output is correct
39 Correct 82 ms 16156 KB Output is correct
40 Execution timed out 3095 ms 474708 KB Time limit exceeded
41 Halted 0 ms 0 KB -

Subtask #6
0 / 38.0

# 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 348 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 6 ms 1628 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Execution timed out 3108 ms 391400 KB Time limit exceeded
14 Halted 0 ms 0 KB -