oj.uz

답안 #884575

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
884575 2023-12-07T17:14:16 Z AnhPham Bali Sculptures (APIO15_sculpture) C++17
16 / 100
 16 ms 988 KB 
#include <bits/stdc++.h>

#ifdef OP_DEBUG
    #include <algo/debug.h>
#else
    #define debug(...) 26
#endif

using namespace std;

#define int 	long long // maybe tle?
#define sz(v)   (int)(v).size()
#define all(v)  (v).begin(), (v).end()
#define TcT     template <class T

const   int     MOD = (int)1e9 + 7, INF = (int)2e9 + 9, INF64 = (int)4e18 + 18;

TcT>            bool minimize(T &lhs, const T &rhs) { return rhs < lhs ? lhs = rhs, 1 : 0; }
TcT>            bool maximize(T &lhs, const T &rhs) { return rhs > lhs ? lhs = rhs, 1 : 0; }

TcT, class S>   istream &operator >> (istream &scanf, pair <T, S> &u) { return scanf >> u.first >> u.second;        }
TcT, class S>   ostream &operator << (ostream &print, pair <T, S> &u) { return print << u.first << ' ' << u.second; }

void solve();

int32_t main() {
    cin.tie(nullptr), cout.tie(nullptr) -> sync_with_stdio(0);
    int testcases = 1;

#define TC 0
    if (TC) { cin >> testcases; } for (; testcases--;) { solve(); }
}

/* [Pham Hung Anh - 11I - Tran Hung Dao High School for Gifted Student] */

const int N = 2002;

int n, a, b;
int y[N];

namespace sub1 {
    int ans = INF;
    void Try(int k, int parts, int sum, int sum_or) {
        if (k > n) {
            if (a <= parts && parts <= b)
                minimize(ans, sum_or | sum);

            return;
        }
        
        Try(k + 1, parts, sum + y[k], sum_or);
        Try(k + 1, parts + 1, y[k], sum_or | sum);
    }
    
    void solve() {
        Try(2, 1, y[1], 0);

        cout << ans << '\n';
    }
}

namespace sub2 {
    // max ans = 500?
    bool dp[55][22][505]; // xét đến i, đoạn thứ parts, tổng or là sum_or
    void solve() {
        dp[0][0][0] = 1;
        for (int i = 1; i <= n; ++i)
            for (int parts = 0; parts <= b; ++parts)
                for (int sum_or = 0; sum_or <= 500; ++sum_or) {
                    int sum = 0;
                    for (int j = i; j >= 1; --j)
                        dp[i][parts + 1][sum_or | (sum += y[j])] |= dp[j - 1][parts][sum_or];
                }

        int ans = INF;
        for (int parts = a; parts <= b; ++parts)
            for (int sum_or = 0; sum_or <= 500; ++sum_or)
                if (dp[n][parts][sum_or])
                    minimize(ans, sum_or);

        cout << ans << '\n';
    }
}

void solve() {
    cin >> n >> a >> b;

    for (int i = 1; i <= n; ++i)
        cin >> y[i];
    
    if (n <= 20)
        sub1 :: solve();
    else if (n <= 50)
        sub2 :: solve();
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 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 1 ms 344 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 2 ms 472 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 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 464 KB Output is correct
20 Correct 1 ms 464 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 2 ms 472 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 2 ms 348 KB Output is correct
25 Correct 2 ms 348 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Incorrect 1 ms 348 KB Output isn't correct
31 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# 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 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 600 KB Output is correct
19 Correct 0 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 3 ms 348 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 2 ms 344 KB Output is correct
26 Correct 2 ms 344 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 3 ms 604 KB Output is correct
29 Correct 3 ms 604 KB Output is correct
30 Correct 10 ms 816 KB Output is correct
31 Correct 15 ms 856 KB Output is correct
32 Correct 15 ms 860 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 15 ms 988 KB Output is correct
35 Correct 13 ms 972 KB Output is correct
36 Correct 8 ms 912 KB Output is correct

Subtask #3
0 / 21.0

# 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 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 392 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 464 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 3 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 3 ms 604 KB Output is correct
17 Correct 10 ms 860 KB Output is correct
18 Correct 15 ms 772 KB Output is correct
19 Correct 14 ms 960 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 16 ms 816 KB Output is correct
22 Correct 13 ms 856 KB Output is correct
23 Correct 8 ms 716 KB Output is correct
24 Incorrect 0 ms 348 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 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 2 ms 600 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 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 2 ms 348 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 2 ms 500 KB Output is correct
25 Correct 3 ms 352 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 1 ms 352 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 356 KB Output is correct
30 Incorrect 1 ms 352 KB Output isn't correct
31 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 352 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Incorrect 1 ms 348 KB Output isn't correct
18 Halted 0 ms 0 KB -