Submission #1034420

# Submission time Handle Problem Language Result Execution time Memory
1034420 2024-07-25T13:36:30 Z RecursiveCo Flooding Wall (BOI24_wall) C++17
58 / 100
5000 ms 41628 KB
// CF template, version 3.0

#include <bits/stdc++.h>

using namespace std;

#define improvePerformance ios_base::sync_with_stdio(false); cin.tie(0)
#define getTest int t; cin >> t
#define eachTest for (int _var=0;_var<t;_var++)
#define get(name) int (name); cin >> (name)
#define out(o) cout << (o)
#define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
#define sortl(name) sort((name).begin(), (name).end())
#define rev(name) reverse((name).begin(), (name).end())
#define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
#define decision(b) if (b){out("YES");}else{out("NO");}

#define int long long int

template <typename T, typename I>
struct segtree {
    int n;
    vector<T> tree;
    vector<I> initial;
    T id;

    segtree(int i_n, vector<I> i_initial, T i_id): n(i_n), initial(i_initial), id(i_id) {
        tree.resize(4 * n);
    }

    T conquer(T left, T right) {
        // write your conquer function
    }

    T value(I inp) {
        // write your value function
    }

    void build(int v, int l, int r) {
        if (l == r) tree[v] = value(initial[l]);
        else {
            int middle = (l + r) / 2;
            build(2 * v, l, middle);
            build(2 * v + 1, middle + 1, r);
            tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
        }
    }

    void upd(int v, int l, int r, int i, I x) {
        if (l == r) tree[v] = value(x);
        else {
            int middle = (l + r) / 2;
            if (middle >= i) upd(2 * v, l, middle, i, x);
            else upd(2 * v + 1, middle + 1, r, i, x);
            tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
        }
    }

    T query(int v, int l, int r, int ql, int qr) {
        if (ql <= l && r <= qr) return tree[v];
        else if (r < ql || qr < l) return id;
        int middle = (l + r) / 2;
        T left = query(2 * v, l, middle, ql, qr);
        T right = query(2 * v + 1, middle + 1, r, ql, qr);
        return conquer(left, right);
    }
};

// vector<int>

int mod = 1e9 + 7;
int inv2 = 5e8 + 4;

signed main() {
    improvePerformance;
    //getTest;
    
    //eachTest {
        get(n);
        getList(n, A);
        getList(n, B);
        vector<pair<int, int>> vals;
        forto(n, i) {
            vals.push_back({A[i], i});
            vals.push_back({B[i], i});
        }
        sortl(vals);
        rev(vals);
        vector<int> power;
        power.push_back(1);
        forto(n + 5, i) power.push_back(power.back() * 2 % mod);
        int ans = 0;
        forto(n, i) {
            vector<int> cands;
            cands.push_back(A[i]);
            cands.push_back(B[i]);
            for (int here: cands) {
                vector<int> ways(2 * n + 1, 0); // first one is 1e9 + 5: ways = 0.
                vector<int> good(n, 2);
                int prodleft = power[i];
                int prodright = power[n - i - 1];
                int ptr = 0;
                forto(2 * n + 1, j) {
                    if (j == 0) continue;
                    if (here >= vals[j - 1].first) {
                        ways[j] = power[n - 1];
                    } else {
                        while (ptr < 2 * n && vals[ptr].first >= vals[j - 1].first) {
                            int ind = vals[ptr++].second;
                            if (ind == i) continue;
                            if (ind < i) {
                                if (good[ind] == 2) prodleft = prodleft * inv2 % mod;
                                else prodleft = 0;
                                good[ind]--;
                            } else {
                                if (good[ind] == 2) prodright = prodright * inv2 % mod;
                                else prodright = 0;
                                good[ind]--;
                            }
                        }
                        int left = (power[i] - prodleft + mod) % mod;
                        int right = (power[n - i - 1] - prodright + mod) % mod;
                        ways[j] = left * right % mod;
                    }
                }
                forto(2 * n, j) {
                    int thismax = (ways[j + 1] - ways[j] + mod) % mod;
                    int thismaxsum = here >= vals[j].first? 0: thismax * (vals[j].first - here) % mod;
                    ans = (ans + thismaxsum) % mod;
                }
            }
        }
        out(ans);
    //}
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'n' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:79:9: note: in expansion of macro 'get'
   79 |         get(n);
      |         ^~~
Main.cpp:12:40: warning: unnecessary parentheses in declaration of 'A' [-Wparentheses]
   12 | #define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
      |                                        ^
Main.cpp:80:9: note: in expansion of macro 'getList'
   80 |         getList(n, A);
      |         ^~~~~~~
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'a' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:12:76: note: in expansion of macro 'get'
   12 | #define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
      |                                                                            ^~~
Main.cpp:80:9: note: in expansion of macro 'getList'
   80 |         getList(n, A);
      |         ^~~~~~~
Main.cpp:12:40: warning: unnecessary parentheses in declaration of 'B' [-Wparentheses]
   12 | #define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
      |                                        ^
Main.cpp:81:9: note: in expansion of macro 'getList'
   81 |         getList(n, B);
      |         ^~~~~~~
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'a' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:12:76: note: in expansion of macro 'get'
   12 | #define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
      |                                                                            ^~~
Main.cpp:81:9: note: in expansion of macro 'getList'
   81 |         getList(n, B);
      |         ^~~~~~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:83:9: note: in expansion of macro 'forto'
   83 |         forto(n, i) {
      |         ^~~~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:91:9: note: in expansion of macro 'forto'
   91 |         forto(n + 5, i) power.push_back(power.back() * 2 % mod);
      |         ^~~~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:93:9: note: in expansion of macro 'forto'
   93 |         forto(n, i) {
      |         ^~~~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:103:17: note: in expansion of macro 'forto'
  103 |                 forto(2 * n + 1, j) {
      |                 ^~~~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:126:17: note: in expansion of macro 'forto'
  126 |                 forto(2 * n, j) {
      |                 ^~~~~
# 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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 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 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 456 KB Output is correct
18 Correct 0 ms 348 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 348 KB Output is correct
# 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 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 0 ms 456 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 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 1 ms 348 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
# 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 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 0 ms 456 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 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 1 ms 348 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 4144 ms 1240 KB Output is correct
28 Correct 4131 ms 1356 KB Output is correct
29 Correct 3205 ms 1236 KB Output is correct
30 Correct 3243 ms 1240 KB Output is correct
31 Correct 3880 ms 1236 KB Output is correct
32 Correct 3988 ms 1236 KB Output is correct
33 Correct 3936 ms 1240 KB Output is correct
34 Correct 3963 ms 1240 KB Output is correct
35 Correct 3788 ms 1240 KB Output is correct
36 Correct 3886 ms 1240 KB Output is correct
37 Correct 3074 ms 1488 KB Output is correct
38 Correct 3006 ms 1240 KB Output is correct
39 Correct 3710 ms 1240 KB Output is correct
40 Correct 3602 ms 1236 KB Output is correct
# 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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 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 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 456 KB Output is correct
18 Correct 0 ms 348 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 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 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 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 604 KB Output is correct
33 Correct 0 ms 456 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 468 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 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 600 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 1 ms 348 KB Output is correct
49 Correct 4144 ms 1240 KB Output is correct
50 Correct 4131 ms 1356 KB Output is correct
51 Correct 3205 ms 1236 KB Output is correct
52 Correct 3243 ms 1240 KB Output is correct
53 Correct 3880 ms 1236 KB Output is correct
54 Correct 3988 ms 1236 KB Output is correct
55 Correct 3936 ms 1240 KB Output is correct
56 Correct 3963 ms 1240 KB Output is correct
57 Correct 3788 ms 1240 KB Output is correct
58 Correct 3886 ms 1240 KB Output is correct
59 Correct 3074 ms 1488 KB Output is correct
60 Correct 3006 ms 1240 KB Output is correct
61 Correct 3710 ms 1240 KB Output is correct
62 Correct 3602 ms 1236 KB Output is correct
63 Correct 3850 ms 1492 KB Output is correct
64 Correct 3914 ms 1492 KB Output is correct
65 Correct 3745 ms 1484 KB Output is correct
66 Correct 3873 ms 1236 KB Output is correct
67 Correct 3865 ms 1492 KB Output is correct
68 Correct 3707 ms 1240 KB Output is correct
69 Correct 3852 ms 1240 KB Output is correct
70 Correct 3857 ms 1236 KB Output is correct
# 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 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 0 ms 408 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 3052 ms 1240 KB Output is correct
11 Correct 2813 ms 1236 KB Output is correct
12 Correct 3018 ms 1240 KB Output is correct
13 Correct 3055 ms 1240 KB Output is correct
14 Execution timed out 5030 ms 41628 KB Time limit exceeded
15 Halted 0 ms 0 KB -
# 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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 452 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 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 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 456 KB Output is correct
18 Correct 0 ms 348 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 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 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 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 604 KB Output is correct
33 Correct 0 ms 456 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 468 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 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 600 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 1 ms 348 KB Output is correct
49 Correct 4144 ms 1240 KB Output is correct
50 Correct 4131 ms 1356 KB Output is correct
51 Correct 3205 ms 1236 KB Output is correct
52 Correct 3243 ms 1240 KB Output is correct
53 Correct 3880 ms 1236 KB Output is correct
54 Correct 3988 ms 1236 KB Output is correct
55 Correct 3936 ms 1240 KB Output is correct
56 Correct 3963 ms 1240 KB Output is correct
57 Correct 3788 ms 1240 KB Output is correct
58 Correct 3886 ms 1240 KB Output is correct
59 Correct 3074 ms 1488 KB Output is correct
60 Correct 3006 ms 1240 KB Output is correct
61 Correct 3710 ms 1240 KB Output is correct
62 Correct 3602 ms 1236 KB Output is correct
63 Correct 3850 ms 1492 KB Output is correct
64 Correct 3914 ms 1492 KB Output is correct
65 Correct 3745 ms 1484 KB Output is correct
66 Correct 3873 ms 1236 KB Output is correct
67 Correct 3865 ms 1492 KB Output is correct
68 Correct 3707 ms 1240 KB Output is correct
69 Correct 3852 ms 1240 KB Output is correct
70 Correct 3857 ms 1236 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 0 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 344 KB Output is correct
76 Correct 0 ms 408 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 1 ms 348 KB Output is correct
79 Correct 1 ms 348 KB Output is correct
80 Correct 3052 ms 1240 KB Output is correct
81 Correct 2813 ms 1236 KB Output is correct
82 Correct 3018 ms 1240 KB Output is correct
83 Correct 3055 ms 1240 KB Output is correct
84 Execution timed out 5030 ms 41628 KB Time limit exceeded
85 Halted 0 ms 0 KB -