oj.uz

Submission #1036195

# Submission time Handle Problem Language Result Execution time Memory
1036195 2024-07-27T04:59:13 Z tvladm2009 Cookies (JOI23_cookies) C++17
78 / 100
 512 ms 515920 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3", "unroll-loops")
#pragma GCC target("avx2", "popcnt")
 
using namespace std;
 
typedef long long ll;
 
const int N = 3000 + 7;
const int M = 15000 + 7;
 
int n, m, a[M], b[M];
int vertical[M];
int bigger[N];

struct MyBitset {
    vector<ll> b;
    int n;
 
    void resize(int nn) {
        n = nn;
        b.resize(n / 63 + 2, 0);
    }
 
    void set(int x) {
        b[x / 63] |= (1LL << (x % 63));
    }
 
    bool get(int x) {
        if (x > n) {
            return 0;
        }
        if (b[x / 63] & (1LL << (x % 63))) {
            return true;
        } else {
            return false;
        }
    }
};
 
int f[M];
 
void add(int i, int x) {
    for (; i <= n; i += i & -i) f[i] += x;
}
 
int get(int i) {
    int res = 0;
    for (; i >= 1; i -= i & -i) res += f[i];
    return res;
}
 
int get_next(int x) {
    int l = 1, r = x, sol = 0;
    while (l <= r) {
        int m = (l + r) / 2;
        if (get(x) - get(m - 1) >= 1) {
            l = m + 1;
            sol = m;
        } else {
            r = m - 1;
        }
    }
    return sol;
}
 
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin >> n;
    for (int i = 1; i <= n; ++i) cin >> a[i];
    cin >> m;
    for (int i = 1; i <= m; ++i) cin >> b[i];
    
    int sumA = 0;
    for (int i = 1; i <= n; ++i) {
        sumA += a[i];
        bigger[a[i]]++;
    }
    for (int i = sumA; i >= 0; --i) bigger[i] += bigger[i + 1];
    reverse(b + 1, b + m + 1);
    for (int i = 1; i <= sumA; ++i) {
        vertical[i] = vertical[i - 1] + bigger[i];
    }
    vector<vector<MyBitset>> dp(m + 1, vector<MyBitset>(sumA + 1));
 
    dp[0][0].resize(1);
    dp[0][0].set(0);
    for (int i = 1; i <= m; ++i) {
        for (int sum = 0; sum <= sumA; ++sum) {
            dp[i][sum].resize(sum / b[i]);
        }
        for (int x = 0; x <= sumA / b[i]; ++x) {
            for (int sum = x * b[i]; sum <= vertical[x]; ++sum) {
                if (vertical[x] >= sum) {
                    bool b1 = (x == 0 ? 0 : dp[i][sum - b[i]].get(x - 1));
                    bool b2 = dp[i - 1][sum].get(x);
                    if (b1 | b2) {
                        dp[i][sum].set(x);
                    }
                    // dp[i][sum][x] = dp[i][x - 1][sum - b[i]] | dp[i - 1][x][sum];
                }
            }
        }
    }
    for (int x = 1; x <= sumA / b[m]; ++x) {
        if (dp[m][sumA].get(x) == true) {
            cout << x << "\n";
            vector<pair<int, int>> boxes;
            int cnt = x;
            int sum = sumA;
            int pos = m;
            while (pos > 0) {
                if (cnt != 0 && dp[pos][sum - b[pos]].get(cnt - 1)) {
                    boxes.push_back({b[pos], boxes.size()});
                    sum -= b[pos];
                    cnt--;
                } else {
                    assert(dp[pos - 1][sum].get(cnt) == 1);
                    pos--;
                }
            }
            vector<vector<int>> sol(boxes.size());
            vector<vector<int>> occ(n + 1);
            sort(boxes.rbegin(), boxes.rend());
            for (int i = 0; i < boxes.size(); ++i) {
                occ[boxes[i].first].push_back(boxes[i].second);
                add(boxes[i].first, 1);
            }
            for (int it = 1; it <= n; ++it) {
                vector<int> mod;
                int x = get_next(n);
                int val = a[it];
                while (a[it] > 0) {
                    int steps = min(a[it], (int) occ[x].size());
                    for (int i = 1; i <= steps; ++i) {
                        mod.push_back(x);
                    }
                    a[it] -= steps;
                    x = get_next(x - 1);
                }
 
                reverse(mod.begin(), mod.end());
                for (auto i : mod) {
                    assert(occ[i].size() > 0);
                    
                    int x = occ[i].back();
                    occ[i].pop_back();
                    add(i, -1);
                    sol[x].push_back(it);
 
                    if (i >= 2) {
                        add(i - 1, 1);
                        occ[i - 1].push_back(x);
                    }
                }
            }
 
            for (int i = 0; i < boxes.size(); ++i) {
                cout << sol[i].size() << " ";
                for (auto j : sol[i]) {
                    cout << j << " ";
                }
                cout << "\n";
            }
            return 0;
        }
    }
    cout << -1 << "\n";
    return 0;
}

Compilation message

cookies.cpp: In function 'int main()':
cookies.cpp:126:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  126 |             for (int i = 0; i < boxes.size(); ++i) {
      |                             ~~^~~~~~~~~~~~~~
cookies.cpp:133:21: warning: unused variable 'val' [-Wunused-variable]
  133 |                 int val = a[it];
      |                     ^~~
cookies.cpp:159:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  159 |             for (int i = 0; i < boxes.size(); ++i) {
      |                             ~~^~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# 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 344 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 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 17 ms 16184 KB Output is correct
11 Correct 7 ms 8284 KB Output is correct
12 Correct 3 ms 1884 KB Output is correct
13 Correct 4 ms 4444 KB Output is correct
14 Correct 7 ms 7516 KB Output is correct
15 Correct 7 ms 7296 KB Output is correct
16 Correct 10 ms 8280 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 4 ms 3420 KB Output is correct
22 Correct 9 ms 8536 KB Output is correct
23 Correct 8 ms 8284 KB Output is correct
24 Correct 2 ms 1372 KB Output is correct
25 Correct 2 ms 1236 KB Output is correct
26 Correct 2 ms 1368 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 5 ms 4956 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 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 344 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 1372 KB Output is correct
10 Runtime error 17 ms 31544 KB Execution killed with signal 11
11 Halted 0 ms 0 KB -

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 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 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 604 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 468 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 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 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct

Subtask #4
45.0 / 45.0

# 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 344 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 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 17 ms 16184 KB Output is correct
11 Correct 7 ms 8284 KB Output is correct
12 Correct 3 ms 1884 KB Output is correct
13 Correct 4 ms 4444 KB Output is correct
14 Correct 7 ms 7516 KB Output is correct
15 Correct 7 ms 7296 KB Output is correct
16 Correct 10 ms 8280 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 4 ms 3420 KB Output is correct
22 Correct 9 ms 8536 KB Output is correct
23 Correct 8 ms 8284 KB Output is correct
24 Correct 2 ms 1372 KB Output is correct
25 Correct 2 ms 1236 KB Output is correct
26 Correct 2 ms 1368 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 5 ms 4956 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 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 0 ms 348 KB Output is correct
38 Correct 0 ms 604 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 600 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 468 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 1 ms 1116 KB Output is correct
71 Correct 1 ms 860 KB Output is correct
72 Correct 1 ms 860 KB Output is correct
73 Correct 1 ms 604 KB Output is correct
74 Correct 1 ms 604 KB Output is correct
75 Correct 1 ms 860 KB Output is correct
76 Correct 1 ms 860 KB Output is correct
77 Correct 1 ms 604 KB Output is correct
78 Correct 1 ms 604 KB Output is correct
79 Correct 1 ms 604 KB Output is correct
80 Correct 1 ms 604 KB Output is correct
81 Correct 1 ms 604 KB Output is correct
82 Correct 1 ms 860 KB Output is correct
83 Correct 1 ms 604 KB Output is correct
84 Correct 2 ms 1884 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 2 ms 1116 KB Output is correct
87 Correct 1 ms 1116 KB Output is correct
88 Correct 2 ms 1116 KB Output is correct
89 Correct 2 ms 1124 KB Output is correct
90 Correct 2 ms 1124 KB Output is correct
91 Correct 2 ms 1124 KB Output is correct
92 Correct 3 ms 1892 KB Output is correct
93 Correct 14 ms 14192 KB Output is correct
94 Correct 8 ms 7780 KB Output is correct
95 Correct 2 ms 1120 KB Output is correct
96 Correct 1 ms 608 KB Output is correct
97 Correct 1 ms 608 KB Output is correct

Subtask #5
15.0 / 15.0

# 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 344 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 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 17 ms 16184 KB Output is correct
11 Correct 7 ms 8284 KB Output is correct
12 Correct 3 ms 1884 KB Output is correct
13 Correct 4 ms 4444 KB Output is correct
14 Correct 7 ms 7516 KB Output is correct
15 Correct 7 ms 7296 KB Output is correct
16 Correct 10 ms 8280 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 4 ms 3420 KB Output is correct
22 Correct 9 ms 8536 KB Output is correct
23 Correct 8 ms 8284 KB Output is correct
24 Correct 2 ms 1372 KB Output is correct
25 Correct 2 ms 1236 KB Output is correct
26 Correct 2 ms 1368 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 5 ms 4956 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 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 0 ms 348 KB Output is correct
38 Correct 0 ms 604 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 600 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 468 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 1 ms 1116 KB Output is correct
71 Correct 1 ms 860 KB Output is correct
72 Correct 1 ms 860 KB Output is correct
73 Correct 1 ms 604 KB Output is correct
74 Correct 1 ms 604 KB Output is correct
75 Correct 1 ms 860 KB Output is correct
76 Correct 1 ms 860 KB Output is correct
77 Correct 1 ms 604 KB Output is correct
78 Correct 1 ms 604 KB Output is correct
79 Correct 1 ms 604 KB Output is correct
80 Correct 1 ms 604 KB Output is correct
81 Correct 1 ms 604 KB Output is correct
82 Correct 1 ms 860 KB Output is correct
83 Correct 1 ms 604 KB Output is correct
84 Correct 2 ms 1884 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 2 ms 1116 KB Output is correct
87 Correct 1 ms 1116 KB Output is correct
88 Correct 2 ms 1116 KB Output is correct
89 Correct 2 ms 1124 KB Output is correct
90 Correct 2 ms 1124 KB Output is correct
91 Correct 2 ms 1124 KB Output is correct
92 Correct 3 ms 1892 KB Output is correct
93 Correct 14 ms 14192 KB Output is correct
94 Correct 8 ms 7780 KB Output is correct
95 Correct 2 ms 1120 KB Output is correct
96 Correct 1 ms 608 KB Output is correct
97 Correct 1 ms 608 KB Output is correct
98 Correct 1 ms 1380 KB Output is correct
99 Correct 1 ms 604 KB Output is correct
100 Correct 13 ms 2400 KB Output is correct
101 Correct 5 ms 2652 KB Output is correct
102 Correct 6 ms 2908 KB Output is correct
103 Correct 38 ms 6972 KB Output is correct
104 Correct 38 ms 6744 KB Output is correct
105 Correct 99 ms 45088 KB Output is correct
106 Correct 512 ms 515920 KB Output is correct
107 Correct 300 ms 276560 KB Output is correct
108 Correct 40 ms 9048 KB Output is correct
109 Correct 25 ms 3672 KB Output is correct
110 Correct 26 ms 3920 KB Output is correct

Subtask #6
0 / 15.0

# 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 344 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 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 17 ms 16184 KB Output is correct
11 Correct 7 ms 8284 KB Output is correct
12 Correct 3 ms 1884 KB Output is correct
13 Correct 4 ms 4444 KB Output is correct
14 Correct 7 ms 7516 KB Output is correct
15 Correct 7 ms 7296 KB Output is correct
16 Correct 10 ms 8280 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 4 ms 3420 KB Output is correct
22 Correct 9 ms 8536 KB Output is correct
23 Correct 8 ms 8284 KB Output is correct
24 Correct 2 ms 1372 KB Output is correct
25 Correct 2 ms 1236 KB Output is correct
26 Correct 2 ms 1368 KB Output is correct
27 Correct 1 ms 1372 KB Output is correct
28 Correct 5 ms 4956 KB Output is correct
29 Correct 0 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 1372 KB Output is correct
38 Runtime error 17 ms 31544 KB Execution killed with signal 11
39 Halted 0 ms 0 KB -