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Submission #1007253

# Submission time Handle Problem Language Result Execution time Memory
1007253 2024-06-24T13:49:49 Z Trisanu_Das Flooding Wall (BOI24_wall) C++17
58 / 100
 5000 ms 31892 KB 
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007;
long long twok[500005];

int32_t main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    int n;
    cin >> n;

    pair<long long, long long> arr[n];
    for (int i = 0; i < n; i++) cin >> arr[i].first;
    for (int i = 0; i < n; i++) cin >> arr[i].second;

    vector<pair<long long, int>> hei;
    for (int i = 0; i < n; i++) {
        if (arr[i].first > arr[i].second) swap(arr[i].first, arr[i].second);
        hei.push_back({arr[i].first, i});
        hei.push_back({arr[i].second, i});
    }

    sort(hei.begin(), hei.end(), greater<pair<long long, int>>());

    long long ans = 0;
    int st[n], add1[n], add2[n];

    memset(add1, 0, sizeof(add1));
    memset(add2, 0, sizeof(add2));
    for (int i = 0; i < n; i++) st[i] = 2;

    for (auto [h, i] : hei) {
        long long mult = 1;

        for (int j = 0; j < i; j++) mult = mult * st[j] % mod;
        for (int j = i + 1; j < n; j++) {
            if (h > arr[j].first) {
                ans = (ans + mult * add1[j] % mod * (h - arr[j].first) % mod) % mod;
            }
            if (h > arr[j].second) {
                ans = (ans + mult * add1[j] % mod * (h - arr[j].second) % mod) % mod;
            }
            add2[j] = (add2[j] + mult) % mod;
            mult = mult * st[j] % mod;
        }

        mult = 1;

        for (int j = i + 1; j < n; j++) mult = mult * st[j] % mod;
        for (int j = i - 1; j >= 0; j--) {
            if (h > arr[j].first) {
                ans = (ans + mult * add2[j] % mod * (h - arr[j].first) % mod) % mod;
            }
            if (h > arr[j].second) {
                ans = (ans + mult * add2[j] % mod * (h - arr[j].second) % mod) % mod;
            }
            add1[j] = (add1[j] + mult) % mod;
            mult = mult * st[j] % mod;
        }

        st[i]--;
    }

    ans = (ans + mod) % mod;
    cout << ans;

    return 0;
}

Subtask #1
8.0 / 8.0

# 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 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 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 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 472 KB Output is correct

Subtask #2
17.0 / 17.0

# 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 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 344 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 464 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 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 1 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 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct

Subtask #3
19.0 / 19.0

# 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 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 344 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 464 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 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 1 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 1 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 2395 ms 1244 KB Output is correct
28 Correct 2530 ms 1248 KB Output is correct
29 Correct 2073 ms 1244 KB Output is correct
30 Correct 2029 ms 1244 KB Output is correct
31 Correct 2269 ms 1244 KB Output is correct
32 Correct 2334 ms 1256 KB Output is correct
33 Correct 2284 ms 1248 KB Output is correct
34 Correct 2331 ms 1244 KB Output is correct
35 Correct 2326 ms 1260 KB Output is correct
36 Correct 2208 ms 1244 KB Output is correct
37 Correct 1949 ms 1500 KB Output is correct
38 Correct 1929 ms 1244 KB Output is correct
39 Correct 2243 ms 1248 KB Output is correct
40 Correct 2235 ms 1244 KB Output is correct

Subtask #4
14.0 / 14.0

# 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 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 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 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 472 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 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 468 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 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 464 KB Output is correct
37 Correct 1 ms 344 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 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 2395 ms 1244 KB Output is correct
50 Correct 2530 ms 1248 KB Output is correct
51 Correct 2073 ms 1244 KB Output is correct
52 Correct 2029 ms 1244 KB Output is correct
53 Correct 2269 ms 1244 KB Output is correct
54 Correct 2334 ms 1256 KB Output is correct
55 Correct 2284 ms 1248 KB Output is correct
56 Correct 2331 ms 1244 KB Output is correct
57 Correct 2326 ms 1260 KB Output is correct
58 Correct 2208 ms 1244 KB Output is correct
59 Correct 1949 ms 1500 KB Output is correct
60 Correct 1929 ms 1244 KB Output is correct
61 Correct 2243 ms 1248 KB Output is correct
62 Correct 2235 ms 1244 KB Output is correct
63 Correct 2392 ms 1372 KB Output is correct
64 Correct 2368 ms 1500 KB Output is correct
65 Correct 2344 ms 1244 KB Output is correct
66 Correct 2390 ms 1248 KB Output is correct
67 Correct 2341 ms 1244 KB Output is correct
68 Correct 2314 ms 1500 KB Output is correct
69 Correct 2357 ms 1248 KB Output is correct
70 Correct 2276 ms 1296 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 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 464 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 2061 ms 1248 KB Output is correct
11 Correct 1986 ms 1248 KB Output is correct
12 Correct 2097 ms 1500 KB Output is correct
13 Correct 2169 ms 1248 KB Output is correct
14 Execution timed out 5048 ms 31892 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# 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 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 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 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 472 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 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 468 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 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 464 KB Output is correct
37 Correct 1 ms 344 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 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 2395 ms 1244 KB Output is correct
50 Correct 2530 ms 1248 KB Output is correct
51 Correct 2073 ms 1244 KB Output is correct
52 Correct 2029 ms 1244 KB Output is correct
53 Correct 2269 ms 1244 KB Output is correct
54 Correct 2334 ms 1256 KB Output is correct
55 Correct 2284 ms 1248 KB Output is correct
56 Correct 2331 ms 1244 KB Output is correct
57 Correct 2326 ms 1260 KB Output is correct
58 Correct 2208 ms 1244 KB Output is correct
59 Correct 1949 ms 1500 KB Output is correct
60 Correct 1929 ms 1244 KB Output is correct
61 Correct 2243 ms 1248 KB Output is correct
62 Correct 2235 ms 1244 KB Output is correct
63 Correct 2392 ms 1372 KB Output is correct
64 Correct 2368 ms 1500 KB Output is correct
65 Correct 2344 ms 1244 KB Output is correct
66 Correct 2390 ms 1248 KB Output is correct
67 Correct 2341 ms 1244 KB Output is correct
68 Correct 2314 ms 1500 KB Output is correct
69 Correct 2357 ms 1248 KB Output is correct
70 Correct 2276 ms 1296 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 1 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 464 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 0 ms 348 KB Output is correct
80 Correct 2061 ms 1248 KB Output is correct
81 Correct 1986 ms 1248 KB Output is correct
82 Correct 2097 ms 1500 KB Output is correct
83 Correct 2169 ms 1248 KB Output is correct
84 Execution timed out 5048 ms 31892 KB Time limit exceeded
85 Halted 0 ms 0 KB -