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Submission #1006290

# Submission time Handle Problem Language Result Execution time Memory
1006290 2024-06-23T16:38:24 Z Owen11 Bigger segments (IZhO19_segments) C++14
100 / 100
 280 ms 47332 KB 
#include <bits/stdc++.h>
using namespace std;

# define int long long
# define fir first
# define sec second
# define pb push_back
# define endl "\n"

const int cnst = 2e5+5;
bool mutipletestcase = 0;
//bool debug = false;

void solve() {
    int n; cin >> n;

    int num[n+5];
    int dp[n+5]; dp[0] = 0;
    int pos[n+5];
    memset(pos, 0, sizeof(pos));
    int pre[n+5]; pre[0] = 0; pre[n+1] = 1e18;
    set<pair<int, int>> st;

    for(int i = 1; i<=n; i++) cin >> num[i];
    for(int i = 1; i<=n; i++) pre[i] = pre[i-1]+num[i];
    for(int i = 1; i<=n; i++) st.insert({pre[i], i});
    st.insert({pre[n+1], n+1});

    for(int i = 1; i<=n; i++) {
        pos[i] = max(pos[i], pos[i-1]);
        dp[i] = dp[pos[i]]+1;
        pair<int, int> x = *st.lower_bound({2*pre[i]-pre[pos[i]], 0});
        pos[x.sec] = i;
    }

    cout << dp[n] << endl;
}

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    int t = 1;
    if(mutipletestcase) cin >> t; 
    while(t--) solve();
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 524 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 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 452 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 344 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 524 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 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 452 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 344 KB Output is correct
16 Correct 0 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 0 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 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 464 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 524 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 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 452 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 344 KB Output is correct
16 Correct 0 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 0 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 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 464 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 696 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 608 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 608 KB Output is correct
44 Correct 1 ms 608 KB Output is correct
45 Correct 1 ms 608 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 524 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 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 452 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 344 KB Output is correct
16 Correct 0 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 0 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 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 464 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 696 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 608 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 608 KB Output is correct
44 Correct 1 ms 608 KB Output is correct
45 Correct 1 ms 608 KB Output is correct
46 Correct 33 ms 9720 KB Output is correct
47 Correct 42 ms 9824 KB Output is correct
48 Correct 29 ms 9824 KB Output is correct
49 Correct 35 ms 9816 KB Output is correct
50 Correct 34 ms 9808 KB Output is correct
51 Correct 32 ms 9828 KB Output is correct
52 Correct 16 ms 5160 KB Output is correct
53 Correct 9 ms 3176 KB Output is correct
54 Correct 31 ms 9792 KB Output is correct
55 Correct 39 ms 9724 KB Output is correct
56 Correct 32 ms 9816 KB Output is correct
57 Correct 34 ms 9732 KB Output is correct
58 Correct 36 ms 9632 KB Output is correct
59 Correct 32 ms 9820 KB Output is correct
60 Correct 32 ms 9808 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 524 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 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 452 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 344 KB Output is correct
16 Correct 0 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 0 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 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 464 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 696 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 608 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 608 KB Output is correct
44 Correct 1 ms 608 KB Output is correct
45 Correct 1 ms 608 KB Output is correct
46 Correct 33 ms 9720 KB Output is correct
47 Correct 42 ms 9824 KB Output is correct
48 Correct 29 ms 9824 KB Output is correct
49 Correct 35 ms 9816 KB Output is correct
50 Correct 34 ms 9808 KB Output is correct
51 Correct 32 ms 9828 KB Output is correct
52 Correct 16 ms 5160 KB Output is correct
53 Correct 9 ms 3176 KB Output is correct
54 Correct 31 ms 9792 KB Output is correct
55 Correct 39 ms 9724 KB Output is correct
56 Correct 32 ms 9816 KB Output is correct
57 Correct 34 ms 9732 KB Output is correct
58 Correct 36 ms 9632 KB Output is correct
59 Correct 32 ms 9820 KB Output is correct
60 Correct 32 ms 9808 KB Output is correct
61 Correct 280 ms 47176 KB Output is correct
62 Correct 175 ms 47184 KB Output is correct
63 Correct 181 ms 47184 KB Output is correct
64 Correct 208 ms 47188 KB Output is correct
65 Correct 201 ms 47188 KB Output is correct
66 Correct 205 ms 47188 KB Output is correct
67 Correct 148 ms 37836 KB Output is correct
68 Correct 65 ms 19092 KB Output is correct
69 Correct 172 ms 47188 KB Output is correct
70 Correct 174 ms 47188 KB Output is correct
71 Correct 172 ms 47188 KB Output is correct
72 Correct 163 ms 47184 KB Output is correct
73 Correct 215 ms 47192 KB Output is correct
74 Correct 183 ms 47332 KB Output is correct
75 Correct 187 ms 47188 KB Output is correct