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Submission #1067363

# Submission time Handle Problem Language Result Execution time Memory
1067363 2024-08-20T15:41:34 Z slivajan Flooding Wall (BOI24_wall) C++17
70 / 100
 5000 ms 111872 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long un;
typedef vector<un> vuc;
typedef pair<un, un> pun;

#define REP(i, a, b) for (un i = (un)a; i < (un)b; i++)
#define REPR(i, a, b) for (un i = ((un)b)-1; i >= (un)a; i--)
#define FEAC(i, a) for (auto&& i : a)
#define vec vector
#define ALL(x) (x).begin(), (x).end()
#define DEB(x) cerr << #x << " = " << (x) << endl;

constexpr un MOD = 1e9 + 7;

vuc walls;
un M;

un i2w(un i){
    return walls[i];
}

un w2i(un w){
    return lower_bound(ALL(walls), w) - walls.begin();
}

int main(){
    un N;
    cin >> N;

    vuc A(N);
    vuc B(N);

    set<un> walls_set;

    REP(i, 0, N){
        cin >> A[i];
        walls_set.insert(A[i]);
    }

    REP(i, 0, N){
        cin >> B[i];
        walls_set.insert(B[i]);
    }

    walls_set.insert(1);

    FEAC(w, walls_set){
        walls.push_back(w);
    }
    M = walls.size();

    vuc vody(M, 0);
    vuc vysky(M, 0);
    vysky[0] = 1;

    REP(e, 0, N){
        vuc pref_vysky(M, 0);
        pref_vysky[M-1] = vysky[M-1];
        REPR(i, 0, M-1){
            pref_vysky[i] = pref_vysky[i+1] + vysky[i];
            pref_vysky[i] %= MOD;
        }

        vuc new_vysky(M, 0);
        vuc new_vody(M, 0);

        FEAC(val, vuc({w2i(A[e]), w2i(B[e])})){
            un counter = 0;
            REP(i, 0, val){
                counter += vysky[i];
                counter %= MOD;
            }
            
            new_vysky[val] += counter;
            new_vysky[val] %= MOD;

            REP(i, val, M){
                new_vysky[i] += vysky[i];
                new_vysky[i] %= MOD;
            }

            REP(i, 0, val){
                new_vody[i] += vody[val];
                new_vody[i] %= MOD;
            }
            
            un last_zvys = 0;
            REP(i, val, M){
                new_vody[i] += vody[i] + (i2w(i) - i2w(val)) * pref_vysky[i] + last_zvys;
                new_vody[i] %= MOD;

                last_zvys += (i2w(i) - i2w(val)) * vysky[i];
                last_zvys %= MOD;
            }

        }

        vysky = new_vysky;
        vody = new_vody;
    }

    cout << vody[0] << endl;

}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 0 ms 344 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 0 ms 348 KB Output is correct
12 Correct 0 ms 376 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 432 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 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct

Subtask #2
17.0 / 17.0

# 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 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 0 ms 348 KB Output is correct
12 Correct 0 ms 344 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 348 KB Output is correct
16 Correct 1 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 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 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 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct

Subtask #3
19.0 / 19.0

# 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 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 0 ms 348 KB Output is correct
12 Correct 0 ms 344 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 348 KB Output is correct
16 Correct 1 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 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 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 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 162 ms 604 KB Output is correct
28 Correct 160 ms 680 KB Output is correct
29 Correct 3 ms 604 KB Output is correct
30 Correct 3 ms 628 KB Output is correct
31 Correct 5 ms 604 KB Output is correct
32 Correct 5 ms 604 KB Output is correct
33 Correct 5 ms 604 KB Output is correct
34 Correct 4 ms 604 KB Output is correct
35 Correct 6 ms 604 KB Output is correct
36 Correct 5 ms 604 KB Output is correct
37 Correct 3 ms 604 KB Output is correct
38 Correct 3 ms 604 KB Output is correct
39 Correct 4 ms 604 KB Output is correct
40 Correct 5 ms 604 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 0 ms 344 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 0 ms 348 KB Output is correct
12 Correct 0 ms 376 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 432 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 348 KB Output is correct
20 Correct 0 ms 348 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 0 ms 348 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 0 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 344 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 1 ms 348 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 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 162 ms 604 KB Output is correct
50 Correct 160 ms 680 KB Output is correct
51 Correct 3 ms 604 KB Output is correct
52 Correct 3 ms 628 KB Output is correct
53 Correct 5 ms 604 KB Output is correct
54 Correct 5 ms 604 KB Output is correct
55 Correct 5 ms 604 KB Output is correct
56 Correct 4 ms 604 KB Output is correct
57 Correct 6 ms 604 KB Output is correct
58 Correct 5 ms 604 KB Output is correct
59 Correct 3 ms 604 KB Output is correct
60 Correct 3 ms 604 KB Output is correct
61 Correct 4 ms 604 KB Output is correct
62 Correct 5 ms 604 KB Output is correct
63 Correct 3804 ms 2772 KB Output is correct
64 Correct 3840 ms 2776 KB Output is correct
65 Correct 8 ms 604 KB Output is correct
66 Correct 5 ms 604 KB Output is correct
67 Correct 8 ms 788 KB Output is correct
68 Correct 5 ms 604 KB Output is correct
69 Correct 794 ms 1180 KB Output is correct
70 Correct 798 ms 1116 KB Output is correct

Subtask #5
12.0 / 12.0

# 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 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 436 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 1 ms 348 KB Output is correct
10 Correct 3 ms 624 KB Output is correct
11 Correct 3 ms 604 KB Output is correct
12 Correct 3 ms 604 KB Output is correct
13 Correct 3 ms 856 KB Output is correct
14 Correct 137 ms 9428 KB Output is correct
15 Correct 140 ms 9540 KB Output is correct
16 Correct 139 ms 9296 KB Output is correct
17 Correct 140 ms 9424 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 0 ms 344 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 0 ms 348 KB Output is correct
12 Correct 0 ms 376 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 432 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 348 KB Output is correct
20 Correct 0 ms 348 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 0 ms 348 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 0 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 344 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 1 ms 348 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 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 162 ms 604 KB Output is correct
50 Correct 160 ms 680 KB Output is correct
51 Correct 3 ms 604 KB Output is correct
52 Correct 3 ms 628 KB Output is correct
53 Correct 5 ms 604 KB Output is correct
54 Correct 5 ms 604 KB Output is correct
55 Correct 5 ms 604 KB Output is correct
56 Correct 4 ms 604 KB Output is correct
57 Correct 6 ms 604 KB Output is correct
58 Correct 5 ms 604 KB Output is correct
59 Correct 3 ms 604 KB Output is correct
60 Correct 3 ms 604 KB Output is correct
61 Correct 4 ms 604 KB Output is correct
62 Correct 5 ms 604 KB Output is correct
63 Correct 3804 ms 2772 KB Output is correct
64 Correct 3840 ms 2776 KB Output is correct
65 Correct 8 ms 604 KB Output is correct
66 Correct 5 ms 604 KB Output is correct
67 Correct 8 ms 788 KB Output is correct
68 Correct 5 ms 604 KB Output is correct
69 Correct 794 ms 1180 KB Output is correct
70 Correct 798 ms 1116 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 436 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 1 ms 348 KB Output is correct
80 Correct 3 ms 624 KB Output is correct
81 Correct 3 ms 604 KB Output is correct
82 Correct 3 ms 604 KB Output is correct
83 Correct 3 ms 856 KB Output is correct
84 Correct 137 ms 9428 KB Output is correct
85 Correct 140 ms 9540 KB Output is correct
86 Correct 139 ms 9296 KB Output is correct
87 Correct 140 ms 9424 KB Output is correct
88 Execution timed out 5077 ms 111872 KB Time limit exceeded
89 Halted 0 ms 0 KB -