oj.uz

Submission #851043

# Submission time Handle Problem Language Result Execution time Memory
851043 2023-09-18T11:09:53 Z no_way Bigger segments (IZhO19_segments) C++17
100 / 100
 62 ms 17108 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp>     // Including tree_order_statistics_node_update

using namespace std;
using namespace __gnu_pbds;

#define int long long
#define tc    \
    ll t;     \
    cin >> t; \
    while (t--)
#define no_way                      \
    ios_base::sync_with_stdio(false); \
    cin.tie(NULL);                    \
    cout.tie(NULL)
typedef vector<int> vi;

template <class T>
bool ckmin(T &a, const T &b)
{
    return b < a ? a = b, 1 : 0;
}
template <class T>
bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

void solve(int test)
{
    int n;
    cin >> n;
    vi arr(n + 1);
    for (int i = 1; i <= n; i++)
    {
        cin >> arr[i];
        if (i)
            arr[i] += arr[i - 1];
    }
    vi dp(n + 1), prev(n + 1);
    for (int i = 1; i <= n; i++)
    {
        prev[i] = max(prev[i], prev[i - 1]);
        dp[i] = dp[prev[i]] + 1;
        int l = i, r = n, ans = 0;
        while (l <= r)
        {
            int mid = (l + r) >> 1;
            if (arr[mid] - arr[i] >= arr[i] - arr[prev[i]])
                r = mid - 1, ans = mid;
            else
                l = mid + 1;
        }
        prev[ans] = i;
    }
    cout << dp[n] << endl;
    return;
}

signed main()
{
    no_way;
    //    #ifndef ONLINE_JUDGE
    //       freopen("input.txt", "r", stdin);
    //       freopen("output.txt", "w", stdout);
    //    #endif
    clock_t z = clock();
    int tests = 1;
    // cin >> tests;
    while (tests--)
    {
        solve(tests);
    }
    cerr << "Run Time: " << ((double)(clock() - z) / CLOCKS_PER_SEC);
    return 0;
}

Subtask #1
13.0 / 13.0

# 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 1 ms 504 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #2
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 1 ms 504 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 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 1 ms 348 KB Output is correct
19 Correct 1 ms 464 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 348 KB Output is correct
23 Correct 1 ms 448 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 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct

Subtask #3
10.0 / 10.0

# 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 1 ms 504 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 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 1 ms 348 KB Output is correct
19 Correct 1 ms 464 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 348 KB Output is correct
23 Correct 1 ms 448 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 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 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 1 ms 356 KB Output is correct
40 Correct 1 ms 360 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 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct

Subtask #4
36.0 / 36.0

# 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 1 ms 504 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 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 1 ms 348 KB Output is correct
19 Correct 1 ms 464 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 348 KB Output is correct
23 Correct 1 ms 448 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 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 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 1 ms 356 KB Output is correct
40 Correct 1 ms 360 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 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 9 ms 3164 KB Output is correct
47 Correct 12 ms 3164 KB Output is correct
48 Correct 12 ms 3420 KB Output is correct
49 Correct 10 ms 3676 KB Output is correct
50 Correct 11 ms 3772 KB Output is correct
51 Correct 12 ms 3676 KB Output is correct
52 Correct 6 ms 2136 KB Output is correct
53 Correct 4 ms 1368 KB Output is correct
54 Correct 10 ms 2908 KB Output is correct
55 Correct 13 ms 3800 KB Output is correct
56 Correct 8 ms 3264 KB Output is correct
57 Correct 9 ms 3164 KB Output is correct
58 Correct 10 ms 3160 KB Output is correct
59 Correct 10 ms 3164 KB Output is correct
60 Correct 9 ms 3368 KB Output is correct

Subtask #5
27.0 / 27.0

# 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 1 ms 504 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 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 1 ms 348 KB Output is correct
19 Correct 1 ms 464 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 348 KB Output is correct
23 Correct 1 ms 448 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 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 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 1 ms 356 KB Output is correct
40 Correct 1 ms 360 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 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 9 ms 3164 KB Output is correct
47 Correct 12 ms 3164 KB Output is correct
48 Correct 12 ms 3420 KB Output is correct
49 Correct 10 ms 3676 KB Output is correct
50 Correct 11 ms 3772 KB Output is correct
51 Correct 12 ms 3676 KB Output is correct
52 Correct 6 ms 2136 KB Output is correct
53 Correct 4 ms 1368 KB Output is correct
54 Correct 10 ms 2908 KB Output is correct
55 Correct 13 ms 3800 KB Output is correct
56 Correct 8 ms 3264 KB Output is correct
57 Correct 9 ms 3164 KB Output is correct
58 Correct 10 ms 3160 KB Output is correct
59 Correct 10 ms 3164 KB Output is correct
60 Correct 9 ms 3368 KB Output is correct
61 Correct 36 ms 14096 KB Output is correct
62 Correct 43 ms 14096 KB Output is correct
63 Correct 59 ms 14540 KB Output is correct
64 Correct 61 ms 16632 KB Output is correct
65 Correct 54 ms 16980 KB Output is correct
66 Correct 58 ms 17028 KB Output is correct
67 Correct 49 ms 13904 KB Output is correct
68 Correct 27 ms 7012 KB Output is correct
69 Correct 40 ms 13240 KB Output is correct
70 Correct 62 ms 17108 KB Output is correct
71 Correct 40 ms 14148 KB Output is correct
72 Correct 45 ms 14416 KB Output is correct
73 Correct 57 ms 15160 KB Output is correct
74 Correct 53 ms 15440 KB Output is correct
75 Correct 46 ms 15484 KB Output is correct